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Linear shafts / stepped on one side / external thread / internal thread / conical (SFTF10-200-J8-M6)

Linear shafts / stepped on one side / external thread / internal thread / conical

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  • Linear shafts / stepped on one side / external thread / internal thread / conical
  • Linear shafts / stepped on one side / external thread / internal thread / conical
  • Linear shafts / stepped on one side / external thread / internal thread / conical
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MISUMI

MISUMI

Product Details:

Manufacturer part number: SFTF10-200-J8-M6

Brand: MISUMI

Price: Please contact the support for quotation

Delivery time: 4 Days


Technical Data:

Basic Shape: Solid

Shaft end Shape (Right): Internal thread

[D] Diameter (Shaft): 10 mm

[L] Length (Shaft): 200 mm

Material: [Alloyed Steel] EN 1.3505 Equiv.


  • Order quantities extended (D-JIT)

(i)Remark

  • SFTF has been localized according to European needs and requirements. Please have a look on the EU version SFTFEU. SFTFEU is available in EN 1.1213 (Cf53) and h6 / h7.

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SFTF10-200-J8-M6

Tapped Type

Threaded Type

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image
Stepped and Tapped Type
Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image
[ ! ] For plated products, the surface roughness of D part is Shaft - Tapped With 2-Hole: Related Image; and for unplated products, it is Shaft - Tapped With 2-Hole: Related Image.
[ ! ] The dimension tolerances for L and F conform to JIS B 0405 Class m.
[ ! ] Annealing may lower hardness at shaft end machined areas (effective thread length + approx. 10 mm).
[ ! ] Annealing lowers the surface hardness in the range of J + 10 from the end.
[ ! ] Case hardening and plating layers do not remain on the tapered area.
Type[M] Material[H] Hardness[S]Surface Treatment
One End Tapered, One End TappedOne End Tapered, One End Stepped and TappedOne End Tapered, One End Threaded
D Tolerance g6D Tolerance h5D Tol. f8D Tolerance g6D Tolerance h5D Tol. f8D Tolerance g6D Tolerance h5D Tol. f8
SFTFSFLU—SFTGSFJU—SFTNSFKU—EN 1.3505 Equiv.Induction Hardening
EN 1.3505 Equiv. 58 HRC or more
EN 1.4125 Equiv. or 13Cr Stainless Steel 56 HRC or more		—
SSFTFSSFLU—SSFTGSSFJU—SSFTNSSFKU—EN 1.4125 Equiv. or 13Cr Stainless Steel
PSFTFPSFLU—PSFTGPSFJU—PSFTNPSFKU—EN 1.3505 Equiv.Hard Chrome Plating
Plating Hardness: HV750 or more
Plating Thickness: 5 μ or more
PSSFTFPSSFLU—PSSFTGPSSFJU—PSSFTNPSSFKU—EN 1.4125 Equiv. or 13Cr Stainless Steel
RSFTF——RSFTG——RSFTN——EN 1.3505 Equiv.Low Temperature Black Chrome Plating
RSSFTF——RSSFTG——RSSFTN——EN 1.4125 Equiv. or 13Cr Stainless Steel
——PSGTF——PSGTG——PSGTNEN 1.1191 Equiv.—Hard Chrome Plating
Plating Hardness: HV750 or more
Plating Thickness: 10 µ or more
——PSSGTF——PSSGTG——PSSGTNEN 1.4301 Equiv.
[!] Low temperature black chrome plated products made of EN 1.4125 Equiv. or 13Cr Stainless Steel have identification grooves.

Specification Table

○ One End Tapered, One End Tapped
Part Number—L—J—M
SFTF20—350—J15—M6
SF−SSFTF20—350—J15—M6
○ One End Tapered, One End Stepped and Tapped
Part Number—L—F—P—J—M
SFTG20—350—F25—P16—J10—M8
○ One End Tapered, One End Threaded
Part Number—L—F—B—P—J
SFTN20—350—F40—B30—P10—J10
■One End Tapered, One End Tapped
Part Number1 mm IncrementsM (Coarse)
Selection		C
TypeDLJ



D Tolerance g6
SFTF
SSFTF
PSFTF
PSSFTF
RSFTF
RSSFTF


D Tolerance h5
SFLU
SSFLU
PSFLU
PSSFLU


D Tol. f8
PSGTF
PSSGTF		625 to 9005 to 73          0.5 or Less
825 to 11005 to 10345        
1030 to 12005 to 143456       
1240 to 14005 to 18(3)4568      
1340 to 14005 to 20 4568      
1550 to 140010 to 24 4568      
1650 to 140010 to 25 456810     
1860 to 140010 to 28 45681012    
2060 to 140010 to 32 45681012    1.0 or less
2575 to 140010 to 40 4568101216   
3085 to 150015 to 48   6810121620  
3590 to 150015 to 56    81012162024  
[ ! ] For low temperature black chrome plated products, D ≤ 30, L ≤ 1,000.40100 to 150020 to 64     101216202430
50115 to 150020 to 80      1216202430
[!] M () dimension is only available for D Tolerance g6. [!] L requires L - J ≥ 20.
■One End Tapered, One End Stepped and Tapped
Part Number1 mm IncrementsM (Coarse)
Selection		(Y)
Max.		RC
TypeDLFPJ
D Tolerance g6
SFTG
SSFTG
PSFTG
PSSFTG
RSFTG
RSSFTG		D Tolerance h5
SFJU
SSFJU
PSFJU
PSSFJU
 		D Tol. f8
PSGTG
PSSGTG


 		825 to 10982 ≤ F ≤ P × 565 to 103          11000.3
or Less		0.5
or Less
1030 to 11986 to 85 to 14345        1200
1240 to 13986 to 105 to 183456       1400
1340 to 13986 to 115 to 2034568      1400
1550 to 13986 to 1310 to 243456810     1400
1650 to 13986 to 1410 to 253456810     1400
1860 to 13987 to 1610 to 28 45681012    1400
2060 to 13987 to 1710 to 32 45681012    14001.0 or less
2575 to 13987 to 2210 to 40 4568101216   1400
3085 to 14988 to 2715 to 48  56810121620  1500
3590 to 14982 ≤ F ≤ P × 49 to 3215 to 56  5681012162024 1500
[ ! ] For low temperature black chrome plated products, D ≤ 30, Y ≤ 1,000.40100 to 149811 to 3720 to 64   681012162024301500
50115 to 149811 to 4720 to 80   681012162024301500
[!] P dimensions require M + 3 ≤ P. [!]L requires L - J ≥ 20.
■One End Tapered, One End Threaded
Part Number1 mm IncrementsP (Coarse)
Selection		1 mm Increments(Y)
Max.		RC
TypeDLFBJ
D Tolerance g6
SFTN
SSFTN
PSFTN
PSSFTN
RSFTN
RSSFTN		D Tolerance h5
SFKU
SSFKU
PSFKU
PSSFKU
 		D Tol. f8
PSGTN
PSSGTN


 		625 to 8982 ≤ F ≤ P × 5B ≤ F−2
(When P ≤ 6)
B ≤ F−3
(When P = 8, 10)
B ≤ F−5
(When P ≥ 12)
B = 0
(W/o Threads)		3456       5 to 109000.3
or Less		0.5
or Less
825 to 109834568      5 to 101100
1030 to 11983456810     5 to 141200
1240 to 1398345681012    5 to 181400
1340 to 1398 45681012    5 to 201400
1550 to 1398 45681012    10 to 241400
1650 to 1398 4568101216   10 to 251400
1860 to 1398  568101216   10 to 281400
2060 to 1398  56810121620  10 to 3214001.0 or less
2575 to 1398   681012162024 10 to 401400
3085 to 1498    81012162024 15 to 481500
3590 to 1498     10121620243015 to 561500
[ ! ] For low temperature black chrome plated products, D ≤ 30, Y ≤ 500.40100 to 1498      121620243020 to 641500
50115 to 1498       1620243020 to 801500
[!] When D = P, specify F = B as B dimensions. However, since L and F dimensions have priority, B dimensions of the product should be F - (Pitch × 2).
[!] Thread machining will not be applied when B = 0 is specified. [!] L requires L - J ≥ 20. [!] B ≥ Pitch × 3 is required.

Alteration Details

·See below for alteration.
 * When selecting multiple alterations, the distance between machined areas should be 2 mm or more.
 * Alteration may lower hardness.

Alteration CodeAlteration Details Fixed DimensionApplicable Conditions Ordering Example
LKC

Precisely change L dimension and tolerance

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

·L < 200→L±0.03
·200 ≤ L < 500→L±0.05
·L ≥ 500→L±0.1		[ ! ]L Dimension can be specified in 0.1 mm increments

[NG]Not applicable to D = P
[NG]Not applicable to One End Stepped and Tapped, One End Threaded		SFTF20-350.5-J15-M6-LKC
SC

Wrench Flat at One Location

M Side

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

DWℓ1 DWℓ1
658 181610
87 2017
108 2522
121010 30715
1311 3530
1513 403620
1614 5041
[ ! ]Applicable to D = 6 or more
[ ! ]SC = 1 mm Increments
[ ! ]SC + ℓ1 ≤ L - J
[ ! ]SC ≥ 0		SFTG20-350-F25-P16-J10-M8-SC5
AC

Change Taper Angle at the Tip
Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

Specified Angle: 5° 10° 20° 25° 30°[ ! ]D-Jtan (AC°) × 2 ≥ 2
requires L - J ≥ 20.		SFTG20-350-F25-P16-J10-M8-AC5

Circularity (M), Straightness (K), L Dimension Tolerance, Perpendicularity

■Straightness Measurement Method

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

Shaft ends are supported on V-blocks and turned 360 degrees to
measure shaft runout using a dial indicator.
1/2 of measured runout is defined as the straightness.

■Circularity M
Shaft Outer Dia. g6·h5 (Hardening)
DCircularity M
Overor Less
5130.004
13200.005
Unit: mm
■Straightness K
Shaft Outer Dia. g6·h5 (Hardening)
DLStraightness K
6 to 20L ≤ 1000.01 or Less
L > 100(L/100) × 0.01 or Less
Unit: mm
■L Dimension Tolerance
Shaft Outer Dia. g6·h5 (Hardening)
LL Dimension
Tolerance
Overor Less
2430±0.2
30120±0.3
120400±0.5
4001000±0.8
10001400±1.2
Unit: mm

■ Concentricity and Perpendicularity

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

Notes on Hardening and Surface Treating

■Reduced Hardness around Machined Areas

·Although processing is performed after the base material is hardened, annealing may lower hardness of the machined area.
* Reduced Hardness: Approximately 10 to 40 HRC

 

■Reduced Hardness Range

·Approximately 10 mm from the machined area

 
(Example)
Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image
 

■Machining area where hardness has lowered due to annealing

·Threaded, Stepped, Tapered, Wrench Flats

 

■Reduced Hardness Condition of Tapped

The conditions for lower hardness for tapped differ depending on the material and selection conditions.

  • EN 1.4125 Equiv. or 13Cr Stainless Steel: The hardness of the tapped part will decrease.
  • EN 1.3505 Equiv.: Under the following conditions, the hardness of the tapped will decrease.
         ·When M ≥ D/2, · RC thread, · One End Two Tapped Holes
 

■Effective Hardened Layer Depth of Hardening

The effective hardened layer depth varies depending on the external dimensions and materials.

O.D. DEffective Hardened Layer Depth
EN 1.3505 Equiv.EN 1.4125 Equiv. or 13Cr Stainless Steel
6 to 100.5 or More0.5 or More
12·130.7 or More
15 to 200.7 or More
 

■About hard chrome plating and plating layer of processed part

  • Hard chrome plating is applied after surface treatment of the base material, so there is no plating on the processed parts.
  • In the example below, only "///" area is treated with hard chrome plating.
 

Ex. Plating Remains: Stepped, Threaded Shaft, Set Screw Flat

/// Part: Plating Remains

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image
 

Difference Between Shaft and Rotary Shaft

■ Basic Specifications

SpecificationsShaftsRotary Shaft
MaterialEN 1.3505 Equiv.
EN 1.4125 Equiv. or 13Cr Stainless Steel		EN 1.1191 Equiv.
EN 1.4301 Equiv.		EN 1.1191 Equiv.
EN 1.4301 Equiv.		EN 1.7220 Equiv.
HardeningInduction Hardened——Hardness: 30 to 35 HRC
O.D. Tolerance g6/h5f8g6/h9/h7g6
Surface TreatmentNo Plating
Hard Chrome Plating
Low Temperature Black Chrome Plating
Electroless Nickel Plating (Surface Treatment Fully Plated Type)		Hard Chrome PlatingNo Plating
Black Oxide
Electroless Nickel Plating		Black Oxide
Electroless Nickel Plating

* Hard chrome plating leaves no plating layer on the machined part.

 

■ Alteration

AlterationsShaftsRotary Shaft
L Dimension Tolerance L < 200⇒L±0.03
200 ≤ L < 500⇒L±0.05
L ≥ 500⇒L±0.1		L < 500⇒L±0.05
L ≥ 500⇒L±0.1
Not applicable when L ≥ 800
Wrench FlatsCan be specified up to 2 LocationsCan be specified up to 1 Location
Set Screw Flat Can be specified up to 2 LocationsCan be specified up to 3 Locations
2 Set Screw FlatsCan be specified up to 2 Locations
Angle Specified: Fixed		Can be specified up to 1 Location
Angle Specified: Configurable in 15 degree Increments
V Groove Can be specified up to 2 Locations—
KeywayCan be specified up to 2 Locations
Processing of Stepped Part: Not Possible		Can be specified up to 4 Locations
Processing of Stepped Part: Possible
UndercutM6 to M30M3 to M30
Tapped DepthPossiblePossible
Retaining Ring GrooveCan be specified 2 Locations
(It will be a retaining ring type instead of alterations)		2 locations on D part, 1 location each on stepped part can be combined
Slit Cam Groove —Can be specified up to 1 Location
Concentricity —Possible
Left-hand Thread / Thread —Possible
Slit Added—Can be specified up to 1 Location
C Chamfering Width—Possible

 

Surface Limits / Hardness - Linear Shafts

 

Limits of hardness and hardening depth

The linear shafts are processed after the base material has undergone inductive hardening. Therefore, the processed surfaces may result in a deviating hardness.
In the following example, you can view the affected areas of the linear shaft, which may be affected after processing by e.g. threads, level surfaces, key surfaces and transverse bores.

 

Limitation of linear shaft induction hardening

 

Cause for deviating hardness

The raw material of the linear shaft is treated via thermal induction before grinding. Thus, a configured linear shaft can be custom-made not only cost-effectively, but also with short delivery times. The linear shaft is hardened at the boundary layer (boundary layer hardening) of the liner shaft. The depth of the hardened boundary layer depends on the material used and the diameter of the linear shaft. The following table shows the hardening depth of linear shafts.
Coatings and plating are applied to the raw material after hardening and grinding. For more information, see Coatings of the Linear Shaft.

 

Boundary layer hardening of a linear shaft

Figure of boundary layer hardening: hardened boundary layer in light gray

 

Effective hardening depth of linear shafts

Outside diameter (D)Effective hardening depth
EN 1.1191 equiv.EN 1.3505 equiv.EN 1.4125 equiv.EN 1.4301 equiv.
3-+0.5+0.5Without induction hardening
4-
5-
6 - 10+0.3
12 - 13+0.5+0.7+0.5
15 - 20+0.7
25 - 50+0.8+1

Overview of the effective hardening depth as PDF

 

Coatings of the linear shaft

The surface coating is applied to the raw material before machining the linear shaft. Thanks to their coating, the usable surface or work surface of the linear shaft is not only protected against corrosion but also against wear.
Machined positions of the linear shafts, such as plane surfaces or threads, may be uncoated, as they are added afterwards. This can lead to the machined surfaces being corroded in a linear shaft made of steel. If the linear shaft is used in a corrosive environment, it is recommended to use a stainless steel linear shaft.
The following figure shows the areas of the linear shaft that are coated (crosshatched). 

 

Surface coating after processing the linear shaft

Figure: Coating of linear shafts

 

You can find further information on surface treatment and hardness in this PDF .

 

General Information - Linear Shafts

 

Linear Shaft Selection Details

- Material: steel, stainless steel

- Coating/plating: uncoated, hard chrome plated, LTBC coated, chemically nickel-plated

- Heat treatment: untreated, inductively hardened

- ISO tolerances: h5, k5, g6, h6, h7, f8

- Precision classes: perpendicularity 0.03, concentricity (with thread and increments) Ø0.02, perpendicularity 0.20, concentricity (thread and stepper) Ø0.10

- Linearity/roundness: depends on diameter, here for the PDF

 

 

Description / basics of the linear shaft

Linear shafts are steel shafts that perform guiding tasks in combination with linear bearings, such as plain bearing bushings or linear ball bushings. Linear shaft holding functions can be adopted from shaft holders or linear ball bearing adapters. Most linear shafts are heat-treated (induction hardened) solid shafts. A special design of linear shafts is the hollow shaft, which is also called tubular shaft. Inductively hardened linear shafts have a high surface hardness and a tough core. The achievable surface hardness is approx. 55-58 HRC (see information on hardening depth). Linear shafts made of stainless steels can generally not be hardened. Therefore, these steel shafts should be chrome plated to protect them from wear.

 

Materials

Linear shafts are mainly hardened steel shafts. In addition to the selected heat treatment, the steel used in particular imparts its properties to the linear shaft, although it is a hollow shaft or a solid shaft. Therefore, special aspects such as hardness, corrosion and wear must be considered when selecting the shaft steel.

 

Coatings

To protect linear shafts from corrosion, the surface can be chemically nickel-plated. As an alternative to chemical nickel-plating, steel shafts can also be coated with LTBC. The LTBC coating is an anti-corrosive surface coating and it is a low-reflection coating, made of a 5 μm thick film of fluoropolymer, which in essence is a black film. In addition, the LTBC coating is resistant to bursting pressure by extreme or repeated bending. LTBC-coated linear shafts are thus particularly suitable for locations where corrosion or light reflections are undesirable. Linear shafts that require particularly high surface hardness and wear resistance can be hard chrome plated.

 

Function

The form and function of linear shafts differ from linear guiderails. Linear guiderails are square rails that work in combination with carriers (rotary elements, carriages) according to the rolling or sliding principle. Linear shafts on the other hand are precision-ground round steel shafts that take on a linear guide function in conjunction with linear ball bushings or plain bearing bushings (maintenance-free bushings).

 

Areas of Application

Linear shafts are intended for axial motion. Whether horizontal or vertical linear motion, all linear motions can be implemented with linear shafts. Common applications are stroke mechanisms and other applications with high demands on smoothness, precision and service life. Linear shafts can therefore be used in almost all industries of plant construction and mechanical engineering. Linear shafts are often found in 3D printers, metering equipment, measuring devices, positioning devices, alignment devices, bending devices and sorting equipment.

 

Instructions for Use / Installation  - Linear Shafts

 

For product selection, please observe the linear shaft tolerances (e.g. h5, k5, g6, h6, h7, f8) in conjunction with the diameter tolerance of the plain bearing bushing (sliding bearing) after pressing in or the running circle diameter of the linear ball bearing (ball bushing).

 

Diameter change of linear ball bushings after pressing  Inner diameter of linear ball bushings or ball bushings

 

Shaft Fasteners

 

Application Example of a Linear Shaft - Linear Shafts with Linear Ball Bushings - Linear Shafts with Shaft Holder
Application Example of a Linear Shaft Application Example - Linear Shaft with Linear Ball Bearings - Linear Ball Bearings with an Adjusting Ring
Application Example of a Linear Shaft - Linear Shaft with Shaft Holder
Application Example of a Linear Shaft - Linear Shaft with Circlip Groove - Linear Shaft with Circlip
Application Example of a Linear Shaft - Linear Shaft with Holding Washer
Application Example of a Linear Shaft - Linear Thread - Outer Threaded Linear Shaft - Linear Threaded with inner and outer threads
Application Example of a Linear Shaft - Cross Bore Linear Shaft - Inner Thread Linear Shaft
Application Example of a Linear Shaft - Cross Bore Linear Shaft - Outer Thread Linear Shaft

   

Supplementary Article

 

Shaft holder

Product range of shaft holders

 

Adjusting rings/clamping rings

Product range of adjusting rings - product range of clamping rings

 

Linear ball bearing

Product range of linear ball bearings - product range of ball sleeves - linear ball bearing with housing

 

Plain bearing bushings

Product range of sliding bearing bushings - plain bearing with housing

 

Ball guides

Ball guide product range

 

Industrial Applications

 

3D printer industry
3D printer industry
Automotive industry
Automotive industry
Pharmaceutical industry
Pharmaceutical industry
Packaging industry
Packaging industry

  

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  1. 1
Part Number
SFTF10-200-J8-M6
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBasic Shape Shaft end Shape (Right) [D] Diameter (Shaft)
(mm) 		[L] Length (Shaft)
(mm) 		Material Heat Treatment Surface Treatment ISO Tolerance Hardness [B] Length (thread)
(mm) 		[F] Length (stud - offset - front side)
(mm) 		[J] Size (thread)
(mm) 		[P] Diameter (stepped - front side)
(mm) 		[M] Size (thread - depth 2xM)
(mm)
1 4 Days 10SolidInternal thread10200[Alloyed Steel] EN 1.3505 Equiv.Induction HardenedNo Treatmentg6Induction Hardened (58HRC or more)--8-6

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  1. 1

App. Example

Shaft - One End Tapered, One End Tapped / One End Stepped and Tapped / One End Threaded: Related Image

[ ! ] Not suitable for usage requiring frequent insertions with Linear Bushings.
(Linear bushing damage may result.)

 

Basic information

RoHS Information RoHS requirements fulfilled Features, Areas of application Not applicable Shaft end Shape (Left) Taper
Shaft end Perpendicularity 0.2

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Basic Attributes

  • Basic Shape

    • Solid
    • Solid, One End Stepped

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  • Shaft end Shape (Right)

    • Internal thread
    • External thread

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  • [D] Diameter (Shaft)(mm)

    • 6
    • 8
    • 10
    • 12
    • 13
    • 15
    • 16
    • 18
    • 20
    • 25
    • 30
    • 35
    • 40
    • 50

    Clear

  • Material

    • Unalloyed Steel
      • EN 1.1191 Equiv.
    • Stainless Steel (austenitic)
      • EN 1.4301 Equiv.
    • Alloyed Steel
      • EN 1.3505 Equiv.
    • Stainless Steel (martensitique)
      • EN 1.4125 Equiv.

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  • Heat Treatment

    • No Treatment
    • Induction Hardened

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  • Surface Treatment

    • No Treatment
    • Hard Chrome Plating
    • LTBC Plating

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  • ISO Tolerance

    • f8
    • g6
    • h5

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  • Hardness

    • Induction Hardened (56HRC or more)
    • Induction Hardened (58HRC or more)
    • Not induction hardened

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  • [B] Length (thread)(mm)

     

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  • [F] Length (stud - offset - front side)(mm)

     

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  • [P] Diameter (stepped - front side)(mm)

    • 3
    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 16
    • 20
    • 24
    • 30

     

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  • Type

    • PSFJU
    • PSFKU
    • PSFLU
    • PSFTF
    • PSFTG
    • PSFTN
    • PSGTF
    • PSGTG
    • PSGTN
    • PSSFJU
    • PSSFKU
    • PSSFLU
    • PSSFTF
    • PSSFTG
    • PSSFTN
    • PSSGTF
    • PSSGTG
    • PSSGTN
    • RSFTF
    • RSFTG
    • RSFTN
    • RSSFTF
    • RSSFTG
    • RSSFTN
    • SFJU
    • SFKU
    • SFLU
    • SFTF
    • SFTG
    • SFTN
    • SSFJU
    • SSFKU
    • SSFLU
    • SSFTF
    • SSFTG
    • SSFTN

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  • [L] Length (Shaft)(mm)

     [30-200/1mm Unit(s)]

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  • [J] Size (thread)(mm)

    • 1
    • 5
    • 7

     [5-14/1mm Unit(s)]

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  • [M] Size (thread - depth 2xM)(mm)

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    • 4
    • 5
    • 6
    • 8
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    • 16
    • 20
    • 24
    • 30

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    • 4 Days or Less
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    • 7 Days or Less
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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

What is the difference between a hollow shaft and a solid shaft?
Answer:

With the same size, there are three differences between a hollow shaft and a solid shaft. Hollow shafts weigh less. The inner cavity of a hollow shaft is suitable for use as a channel (cable channel). Solid shafts are a bit more rigid (higher resistance torque).
Question:

What is the minimum order of linear shafts from MISUMI?
Answer:

MISUMI supplies solid shafts, hollow shafts and precision shafts starting at a lot size of 1. This also applies to all other items in our product range.
Question:

Noises and vibrations occur with a linear shaft. In addition, there are jerky movements. What could cause this?

Answer:

In general, it may be caused if the steel shaft is not properly lubricated. In addition, an incorrectly selected diameter tolerance of the linear shafts may also make the cycle of motion more difficult. When using MISUMI linear ball bearings, a g6 shaft tolerance is recommended (tolerance recommendations may vary depending on the manufacturer).
Question:

What is the strength of a solid shaft?
Answer:

The strength of a linear shaft, although it is a solid shaft, hollow shaft or precision shaft, should always be selected in consideration of the strength of the material used.
Question:

What are the advantages of a hollow shaft over a solid shaft?
Answer:

There are various advantages of a hollow shaft compared to a solid shaft. If the outer diameter is the same, the weight of a hollow shaft is lower than that of a solid shaft. However, the cavity of the hollow shaft can also be used as a cable channel or for cooling. A hollow shaft is at the same weight or with the same cross-sectional area more rigid than a solid shaft, because the outer diameter is larger. However, the question that needs to be answered is whether the advantage is a greater room utilization or less weight.
Question:

Is a hollow shaft stiffer than a solid shaft?
Answer:

The rigidity of a hollow shaft is slightly lower with the same outer diameter than that of a solid shaft. However, with the same cross-sectional area or with the same weight, the stiffness of a hollow shaft is higher than that of a solid shaft, because the outer diameter of the hollow shaft is larger.
Question:

Why do I have running grooves on the linear shafts of my 3D printers?
Answer:

The running grooves on the linear shaft may have been created, for example, by using a linear ball bearing. To prevent grooves from forming on a steel shaft, it should be hardened and hard chromium plated, making it more durable and resistant to the wear and tear from ball bearings.
Question:

How do the flexure properties of hollow shafts and solid shafts differ?
Answer:

With an equally large outer diameter, a solid shaft has better flexure properties than an equally large hollow shaft. However, the solid shaft is not much stiffer than a hollow shaft with the same outer diameter, since the outer sections mainly carry the load. Hollow shafts with the same cross-sectional area are more rigid than solid shafts, because they have a larger outer diameter. Therefore, there is physically more material in the outer sections for the bending, which bears the loads.
Question:

I need a lacquered or matted shaft because reflections cause problems with the optics. Does MISUMI have something like that?
Answer:

MISUMI LTBC-coated linear shafts are an alternative to painted or matted steel shafts. The LTBC coating is low-reflection and has the same effect as painted and matte shafts. In addition, LTBC-coated linear shafts are more resistant to wear and tear and flaking. You can find further information on LTBC coating here .
Question:

It has been shown that a hollow shaft is stronger than a solid shaft made of the same material. Why?
Answer:

A hollow shaft with the same outer dimensions is principally not stronger than a solid shaft. However, a hollow shaft per weight unit is stronger.

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