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stopper bolts / external hexagon socket, internal hexagon socket / fine thread, regular thread / stop face at head / material selectable / treatment selectable / 40-45 HRC

stopper bolts / external hexagon socket, internal hexagon socket / fine thread, regular thread / stop face at head / material selectable / treatment selectable / 40-45 HRC

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  • stopper bolts / external hexagon socket, internal hexagon socket / fine thread, regular thread / stop face at head / material selectable / treatment selectable / 40-45 HRC
  • stopper bolts / external hexagon socket, internal hexagon socket / fine thread, regular thread / stop face at head / material selectable / treatment selectable / 40-45 HRC
  • stopper bolts / external hexagon socket, internal hexagon socket / fine thread, regular thread / stop face at head / material selectable / treatment selectable / 40-45 HRC
View the FAQ (7)

MISUMI

MISUMI

[Features] Since the contact surface is flat, there is hardly any settling. A hexagon socket type is also available.

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Back to the Category Stopper Bolts

Technical Drawing - Stopper Bolts

Stopper Bolts/Hexagon Socket/Fine Thread:Related Image
Open the technical drawing in the new window

Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Stopper Bolts

Stopper BoltsType  Material  Hardness  Surface Treatment
StandardHex Socket
FineSTRCBSTRCCEN 1.7220 Equiv.40~45HRCBlack Oxide
STRCNSTRNCCElectroless Nickel Plating
SSTRCBSSTRCCEN 1.4006 Equiv.-
CoarseSTRBSTRCEN 1.7220 Equiv.Black Oxide
STRNSTRNCElectroless Nickel Plating
SSTRBSSTRCEN 1.4006 Equiv.-
  Stainless Steel Hardened Type (SSTRCB, SSTRCC, SSTRB and SSTRC) may be discolored by hardening. (Left in the photo)
Further specifications can be found under the tab More Information.

Composition of a Product Code - Stopper Bolts

Part Number-L
STRB6-20

Alterations - Stopper Bolts

Stopper Bolts/Hexagon Socket/Fine Thread:Related Image

General Information - Stopper Bolts

Stopper screw assortment and stopper screw with rubber and stopper screw with plastic and stopper screw with hexagon socket and stopper screw hardened

 

Stopper bolts selection details

- Material: steel, stainless steel

- Baffle head: PU, POM, MC nylon, silicone, hard rubber

- Coatings: burnished, chrome-plated, nickel-plated, zinc-plated

- Strength class: 8.8, 10.9

- Hardness of baffle head: Shore A57, Shore A70, Shore A90

- Thread diameter: M3 to M16

- Length: 10 mm to 70 mm

 

Description/Basics

MISUMI stopper bolts are generally used as damped and undamped stops for components and applications in mechanical engineering.
Undamped stopper bolts are protected against premature wear with hardened tips or heads. However, undamped stopper bolts may damage component surfaces. To protect the components to be stopped, a damped stopper bolt may protect the surface against damage with a rubber or plastic baffle head. In addition, MISUMI offers a stopper bolt with rubber or hard rubber in different Shore hardnesses, which can dampen the impact and reduce vibrations.
In addition to the standard threads, MISUMI also offers the stopper bolts with fine threads. The stopper bolts with fine threads enable finer adjustments compared to standard threads.
MISUMI offers Threaded Stopper Blocks as suitable and robust fastening for the assembly of the stopper bolts.

The stopper bolt can serve as a stop protection for workpiece carriers in order to protect them from damage. A stopper bolt with rubber can also reduce vibrations and oscillations to protect the goods to be transported. Often, stopper bolts are combined with industrial adjustable shock absorbers as end position damping to protect the damper from a hard end stop.
The stopper boltcan also be used alternatively in clamp.

Application Examples - Stopper Bolts

Application example: workpiece carrier tray with stopper screw with plastic protective head and stoppers for workpiece carrier and stopper screw with rubber

Application example: workpiece carrier
(1) Stopper bolt with rubber, (2) belt conveyor, (3) workpiece carrier

Application example: workpiece carrier with industrial shock absorber with stopper block and holder for stopper screw and stopper screw hardened and stopper screw tempered and holder stopper screw

Application example: end stop
(1) Adjustable shock absorber, (2) Stopper bolt, (3) Threaded stopper blocks

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Part Number
SSTRB4-[15-60/5]
SSTRB4-LC[15-60/1]
SSTRB5-[15-60/5]
SSTRB5-LC[15-60/1]
SSTRB6-[20-60/5]
SSTRB6-LC[20-60/1]
SSTRB8-[25-60/5]
SSTRB8-LC[25-60/1]
SSTRB10-[30-70/5]
SSTRB10-LC[30-70/1]
SSTRB12-[35-80/5]
SSTRB12-LC[35-80/1]
SSTRC4-[15-60/5]
SSTRC4-LC[15-60/1]
SSTRC5-[15-60/5]
SSTRC5-LC[15-60/1]
SSTRC6-[20-60/5]
SSTRC6-LC[20-60/1]
SSTRC8-[25-60/5]
SSTRC8-LC[25-60/1]
SSTRC10-[30-70/5]
SSTRC10-LC[30-70/1]
SSTRC12-[35-80/5]
SSTRC12-LC[35-80/1]
SSTRCB4-[15-60/5]
SSTRCB4-LC[16-59/1]
SSTRCB5-[15-60/5]
SSTRCB5-LC[16-59/1]
SSTRCB6-[20-60/5]
SSTRCB6-LC[21-59/1]
SSTRCB8-[25-60/5]
SSTRCB8-LC[26-59/1]
SSTRCB10-[30-70/5]
SSTRCB10-LC[31-69/1]
SSTRCB12-[35-80/5]
SSTRCB12-LC[36-79/1]
SSTRCC4-[15-60/5]
SSTRCC4-LC[15-60/1]
SSTRCC5-[15-60/5]
SSTRCC5-LC[16-59/1]
SSTRCC6-[20-60/5]
SSTRCC6-LC[21-59/1]
SSTRCC8-[25-60/5]
SSTRCC8-LC[26-59/1]
SSTRCC10-[30-70/5]
SSTRCC10-LC[30-70/1]
SSTRCC12-[35-80/5]
SSTRCC12-LC[35-80/1]
STRB3-[10-30/5]
STRB3-LC[11-29/1]
STRB4-[15-60/5]
STRB4-LC[15-60/1]
STRB5-[15-60/5]
STRB5-LC[15-60/1]
STRB6-[20-60/5]
STRB6-LC[20-60/1]
STRB8-[25-60/5]
STRB8-LC[25-60/1]
STRB10-[30-70/5]
STRB10-LC[30-70/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSTip Shape Screw Material Screw Surface Treatment Thread Dia. M Thread Pitch
(mm) 		L
(mm) 		Alterations：Change L Dimension Configurable 1mm Increment [LC]
(mm)

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided40.7 (Coarse)15 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided40.7 (Coarse)-15 ～ 60

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided50.8 (Coarse)15 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided50.8 (Coarse)-15 ～ 60

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided61.0 (Coarse)20 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided61.0 (Coarse)-20 ～ 60

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided81.25 (Coarse)25 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided81.25 (Coarse)-25 ～ 60

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided101.5 (Coarse)30 ～ 70-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided101.5 (Coarse)-30 ～ 70

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided121.75 (Coarse)35 ～ 80-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided121.75 (Coarse)-35 ～ 80

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided40.7 (Coarse)15 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided40.7 (Coarse)-15 ～ 60

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided50.8 (Coarse)15 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided50.8 (Coarse)-15 ～ 60

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided61.0 (Coarse)20 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided61.0 (Coarse)-20 ～ 60

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided81.25 (Coarse)25 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided81.25 (Coarse)-25 ～ 60

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided101.5 (Coarse)30 ～ 70-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided101.5 (Coarse)-30 ～ 70

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided121.75 (Coarse)35 ～ 80-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided121.75 (Coarse)-35 ～ 80

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided40.5 (Fine)15 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided40.5 (Fine)-16 ～ 59

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided50.5 (Fine)15 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided50.5 (Fine)-16 ～ 59

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided60.75 (Fine)20 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided60.75 (Fine)-21 ～ 59

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided80.75 (Fine)25 ～ 60-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided80.75 (Fine)-26 ～ 59

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided101.0 (Fine)30 ～ 70-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided101.0 (Fine)-31 ～ 69

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided121.0 (Fine)35 ～ 80-

-

1 6 Days 10StandardEN 1.4006 Equiv.Not Provided121.0 (Fine)-36 ～ 79

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided40.5 (Fine)15 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided40.5 (Fine)-15 ～ 60

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided50.5 (Fine)15 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided50.5 (Fine)-16 ～ 59

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided60.75 (Fine)20 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided60.75 (Fine)-21 ～ 59

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided80.75 (Fine)25 ～ 60-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided80.75 (Fine)-26 ～ 59

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided101.0 (Fine)30 ～ 70-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided101.0 (Fine)-30 ～ 70

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided121.0 (Fine)35 ～ 80-

-

1 6 Days 10With Hex SocketEN 1.4006 Equiv.Not Provided121.0 (Fine)-35 ～ 80

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide30.5 (Coarse)10 ～ 30-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide30.5 (Coarse)-11 ～ 29

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide40.7 (Coarse)15 ～ 60-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide40.7 (Coarse)-15 ～ 60

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide50.8 (Coarse)15 ～ 60-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide50.8 (Coarse)-15 ～ 60

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide61.0 (Coarse)20 ～ 60-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide61.0 (Coarse)-20 ～ 60

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide81.25 (Coarse)25 ～ 60-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide81.25 (Coarse)-25 ～ 60

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide101.5 (Coarse)30 ～ 70-

-

1 6 Days 10StandardEN 1.7220 Equiv.Black Oxide101.5 (Coarse)-30 ～ 70

Loading...

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Back to the Category Stopper Bolts

Technical Drawing - Stopper Bolts

Stopper Bolts/Hexagon Socket/Fine Thread:Related Image
Open the technical drawing in the new window

Available dimensions and tolerances can be found under the tab More Information.

Specification Tables - Stopper Bolts

Part NumberL
5mm Increment		MB(C)H( ℓ )(r) ℓ 1B1Unit Price
TypeMCoarseFineSTRCB
STRB		STRCN
STRN		SSTRCB
SSTRB		STRCC
STRC		STRNCC
STRNC		SSTRCC
SSTRC
StandardHex Socket Type*310~303x0.5-5.56.4210.1--  ----
415~604x0.74x0.578.12.82.10.22.22      
(Fine)
STRCB
STRCN
SSTRCB		(Coarse)
STRB
STRN
SSTRB		(Fine)
STRCC
STRNCC
SSTRCC		(Coarse)
STRC
STRNC
SSTRC		515~605x0.85x0.589.23.52.42.82.5      
620~606x1.06x0.751011.5430.333      
825~608x1.258x0.751315.05.53.70.444      
1030~7010x1.510x1.01719.674.50.555      
1235~8012x1.7512x1.01921.985.266      
  * M3 size is available only for STRB and STRN.

Alterations - Stopper Bolts

Stopper Bolts/Hexagon Socket/Fine Thread:Related Image

 

Configure

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Basic Attributes

  • Tip Shape

    • Standard
    • With Hex Socket

    Clear

  • Screw Material

    • EN 1.4006 Equiv.
    • EN 1.7220 Equiv.

    Clear

  • Screw Surface Treatment

    • Black Oxide
    • Electroless Nickel Plating
    • Not Provided

    Clear

  • Thread Dia. M

    • 3
    • 4
    • 5
    • 6
    • 8
    • 10
    • 12

    Clear

  • Thread Pitch(mm)

    • 0.5 (Coarse)
    • 0.5 (Fine)
    • 0.7 (Coarse)
    • 0.75 (Fine)
    • 0.8 (Coarse)
    • 1.0 (Coarse)
    • 1.0 (Fine)
    • 1.25 (Coarse)
    • 1.5 (Coarse)
    • 1.75 (Coarse)

    Clear

  • L(mm)

     [10-80/5mm Unit(s)]

    Clear

  • Alterations：Change L Dimension Configurable 1mm Increment [LC](mm)

     [11-80/1mm Unit(s)]

    Clear

  • Type

    • SSTRB
    • SSTRC
    • SSTRCB
    • SSTRCC
    • STRB
    • STRC
    • STRCB
    • STRCC
    • STRCN
    • STRN
    • STRNC
    • STRNCC

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

    Clear

Filter by standard shipping days

    • All
    • 6 Days or Less
    • 9 Days or Less

    Reset

Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Why do stopper bolts come in different colours?
Answer:

The stopper bolt may have a different colouration. The reason for this is the hardening of the usable area, such as tip or head. Since the hardening is not necessary on the complete stopper bolt, it may show a colour gradient.
Question:

Can a stopper bolt be installed with an angle?

Answer:

The stopper bolt can be fastened with a mounting bracket for smaller loads. A more robust mounting bracket should be used for higher loads and an expected impact. MISUMI offers suitable brackets for stopper bolts.
Question:

Are stopper bolts suitable for lateral impact?
Answer:

Not every stopper bolt is intended for lateral stop. This could damage the stopper bolt. stopper bolts with rubber or plastic tip could lose the damping material. For a lateral stop, stopper bolts are self-adjusting, which MISUMI has also available in various materials and damping materials.
MISUMI has a corresponding note on the technical drawing of stopper bolts that may not be used on the side.
Question:

Can a stopper bolt dampen vibrations?
Answer:

A stopper bolt with a hard rubber tip is suitable for good vibration damping. Hard rubber is very low-return and absorbs more than conventional rubber, oscillations and vibrations. In addition, the oscillation amplitude is significantly shortened. If strong vibrations occur, a vibration damper can be used.
Question:

What are PU stopper bolts resistant to?
Answer:

Stopper bolts with polyurethane rubber (PU) have high mechanical strength and abrasion resistance. Any additional resistance of the rubber depends on whether it is an ether or ester polyurethane. This can be found in the PDF Properties of Polyurethane.
Question:

How high is the heat resistance of the polyurethane rubber of the stopper bolt?
Answer:

The stopper bolt with polyurethane rubber as a damping material should not be used at over ~+70°C. There is a risk that the material will deform plastically and the stopper bolt will fatigue prematurely.
Question:

What can be used as a counter stop of a stopper bolt?
Answer:

A stopper bolt can serve as a counter stop for a stopper bolt. These are hardened and therefore very low-wear. They can be pressed in or screwed together for ease of maintenance.

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