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Screws with shoulder / drive selectable / stainless steel, steel / precision class / length configurable

Screws with shoulder / drive selectable / stainless steel, steel / precision class / length configurable

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Back to the Category Fulcrum Pins

Technical Drawing - Fulcrum Pins

Fulcrum Pins/Straight Slot Groove: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) - Fulcrum Pins

Straight SlotHex SocketWrench FlatsHex Head   Material   Hardness   Surface Treatment
Standard GradeStandard GradePrecision GradeStandard GradeStandard Grade
D-0.01
-0.05		D-0.01
-0.05		Dg6D-0.01
-0.05		D-0.01
-0.05
FCBBD FCBDBR FCBDGBRFCBDBW FCBDBLEN 1.1191 Equiv.-Black Oxide
FCBBDH FCBDBRH -FCBDBWH -40~45HRC
FCBDFCBDRFCBDGRFCBDWFCBDL EN 1.4305 Equiv.--
 This type may have centering holes depending on dimensions.
 HRC hardened products may be discolored by hardening.

Further specifications can be found under the tab More information.

Composition of a Product Code - Fulcrum Pins

Part Number-L-A-E-F
FCBBD6
FCBD6		-
-		10.0
10.0		-
-		A10
A12		-
-		E2.5
E3.0		-
-		F6
F4

Alterations - Fulcrum Pins

Fulcrum Pins/Straight Slot Groove:Related Image

General Information - Fulcrum Pins

Fulcrum Pins Selection Details

- Material: steel, stainless steel

- Coatings: untreated, burnished

- Heat treatment: induction hardened

- Shaft diameter: 4 mm to 20 mm

- Tolerance class of shaft: -0.01mm/+0.05mm, g6

- Thread diameter: M2.6 to M16

- Drive type: hexagon socket, slot, hexagon, key surfaces
 

Description/Basics

The screwed connection is one of the method most commonly used for detachable connections. Fulcrum pins, also called rotating bolts, have various advantages over conventional screws due to their hardened shaft.
 

The head of our rotating bolts is in part flatter than that of a stripper bolt, which, in combination with the various drive forms, simplifies the assembly in tight installation spaces. Similar to stripper bolts, Fulcrum pins have a tight-tolerance shaft that can be additionally hardened. This allows designing a simple bearing or guide.
 

When designing a swivel lock, a combination of Fulcrum pins and links are recommended. This allows, for example, to lock a solid closure. In this case, the rotary bolt can serve both as a bearing point and as an end stop. Its hardened approach offers suitable protection against premature wear in both functions.
 

Due to the ability to absorb transverse forces and shear forces, bearing bolts with hardened shoulders are suitable for creating a hinge assembly.
Combined with rod end bearings, there is also the option of balancing an offset.

 

Application Examples - Fulcrum Pins

Application example - Fulcrum pin utilised as spacer
1.Fulcrum pin, 2. Flat steel, 3. Nuts , 4. Flat steel

Application Example - Fulcrum pin utilised as bearing point
1.Fulcrum pin, 2. Links, 3. Hex nut, 4. Flat steel

Application example - Fulcrum pin utilised as stopper point
1. Fulcrum pin, 2. Links

 

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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  1. 1
Part Number
FCBDGBR4-[5-20/0.1]-A[6,​8]-E[2-4/0.1]-F[3,​4]
FCBDGBR5-[5-20/0.1]-A[8,​10]-E[2-4/0.1]-F[3-6/1]
FCBDGBR6-[5-20/0.1]-A[8,​10,​12]-E[2.5-4.5/0.1]-F[4-8/1]
FCBDGBR8-[5-20/0.1]-A[10,​12,​16,​18,​20]-E[2.5-5/0.1]-F[5-12/1]
FCBDGBR10-[5-30/0.1]-A[12,​16,​18,​20]-E[3-5/0.1]-F[6-12/1]
FCBDGBR12-[5-30/0.1]-A[16,​18,​20,​22,​24]-E[3-5/0.1]-F[8-12/1]
FCBDGBR15-[5-30/0.1]-A[18,​20,​22,​24]-E[3-5/0.1]-F[10-15/1]
FCBDGR4-[5-20/0.1]-A[6,​8]-E[2-4/0.1]-F[3,​4]
FCBDGR5-[5-20/0.1]-A[8,​10]-E[2-4/0.1]-F[3-6/1]
FCBDGR6-[5-20/0.1]-A[8,​10,​12]-E[2.5-4.5/0.1]-F[4-8/1]
FCBDGR8-[5-20/0.1]-A[10,​12,​16]-E[2.5-4.5/0.1]-F[5-10/1]
FCBDGR10-[5-30/0.1]-A[12,​16,​18,​20]-E[3-5/0.1]-F[6-12/1]
FCBDGR12-[5-30/0.1]-A[16,​18,​20,​22,​24]-E[3-5/0.1]-F[8-12/1]
FCBDGR15-[5-30/0.1]-A[18,​20,​22,​24]-E[3-5/0.1]-F[10-15/1]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBasic Shape Shaft Dia. D
(mm) 		Shaft Tolerance Thread Dia. Material Hardness Surface Treatment Precision Material Detail Detailed Hardness A
(mm) 		E
(mm) 		F
(mm) 		L
(mm)
1 4 Days 10Hex Socket4Precision Grade (g6)2.6EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened6 ～ 82 ～ 43 ～ 45 ～ 20
1 4 Days 10Hex Socket5Precision Grade (g6)3EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened8 ～ 102 ～ 43 ～ 65 ～ 20
1 4 Days 10Hex Socket6Precision Grade (g6)4EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened8 ～ 122.5 ～ 4.54 ～ 85 ～ 20
1 4 Days 10Hex Socket8Precision Grade (g6)5EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened10 ～ 202.5 ～ 55 ～ 125 ～ 20
1 4 Days 10Hex Socket10Precision Grade (g6)6EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened12 ～ 203 ～ 56 ～ 125 ～ 30
1 4 Days 10Hex Socket12Precision Grade (g6)8EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened16 ～ 243 ～ 58 ～ 125 ～ 30
1 4 Days 10Hex Socket15Precision Grade (g6)10EN 1.1191 Equiv.No HardenedBlack OxidePrecision Grade (g6)EN 1.1191 Equiv.No Hardened18 ～ 243 ～ 510 ～ 155 ～ 30
1 3 Days 10Hex Socket4Precision Grade (g6)2.6EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened6 ～ 82 ～ 43 ～ 45 ～ 20
1 3 Days 10Hex Socket5Precision Grade (g6)3EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened8 ～ 102 ～ 43 ～ 65 ～ 20
1 3 Days 10Hex Socket6Precision Grade (g6)4EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened8 ～ 122.5 ～ 4.54 ～ 85 ～ 20
1 3 Days 10Hex Socket8Precision Grade (g6)5EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened10 ～ 162.5 ～ 4.55 ～ 105 ～ 20
1 3 Days 10Hex Socket10Precision Grade (g6)6EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened12 ～ 203 ～ 56 ～ 125 ～ 30
1 3 Days 10Hex Socket12Precision Grade (g6)8EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened16 ～ 243 ～ 58 ～ 125 ～ 30
1 3 Days 10Hex Socket15Precision Grade (g6)10EN 1.4305 Equiv.No HardenedNot ProvidedPrecision Grade (g6)EN 1.4305 Equiv.No Hardened18 ～ 243 ～ 510 ～ 155 ～ 30

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  1. 1

Back to the Category Fulcrum Screws

Technical Drawing - Fulcrum Pins

Fulcrum Pins/Straight Slot Groove:Related Image
Open the technical drawing in the new window

Specification Tables - Fulcrum Pins

∙ Precision Grade
D Tolerance (g6)
4~6-0.004
-0.012
8, 10-0.005
-0.014
12~15-0.006
-0.017

 ■ L Dimension Tolerance
 Configurable
Unhardened+0.1
0
Hardened+0.2
0

 ■ Configurable
Part NumberL=0.1mm IncrementA Selection
  For Hex Head, selection is not needed.		E=0.1mm IncrementF=1mm IncrementMxP (Coarse) ℓ WBhh1CW1G
TypeD
Straight Slot (Standard)
*FCBBD
*FCBBDH
*FCBD


Hex Socket (Standard)
FCBDBR
FCBDBRH
FCBDR
Hex Socket (Precision)
FCBDGBR
FCBDGR		Wrench Flats (Standard)
FCBDBW
FCBDBWH
FCBDW


Hex Head (Standard)
FCBDBL

FCBDL

 		4Straight Slot
Wrench Flats
Hex Head
1.0~20.0

Hex Socket
5.0~20.0		68  2.0~4.03, 42.6x0.450.80.82120.557
5810  3~63x0.512.52.578
61012  2.5~4.54~84x0.71.21.231.53810
81216  5~105x0.81.443.511013
10161820 3.0~5.06~126x1.01.51.451.841317
12182022248~128x1.251.521419
13--15
15202224 10~1510 x1.517
Machining Conditions   FCBDBR, FCBDBRH and FCBDR, E+L≥2xh1+2   D13 and D15 are not available for the * marked types.

Alterations - Fulcrum Pins

Fulcrum Pins/Straight Slot Groove:Related Image
 
 

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Basic Attributes

  • Basic Shape

    • Hex Socket
    • Straight Slot Groove
    • Wrench Flats
    • Hex Head

    Clear

  • Shaft Dia. D(mm)

    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 13
    • 15

    Clear

  • Thread Dia.

    • 2.6
    • 3
    • 4
    • 5
    • 6
    • 8
    • 10

    Clear

  • Material

    • EN 1.1191 Equiv.
    • EN 1.4305 Equiv.

    Clear

  • Hardness

    • Hardened
    • No Hardened

    Clear

  • Surface Treatment

    • Black Oxide
    • Not Provided

    Clear

  • Precision

    • Standard Grade (-0.01/-0.05)
    • Precision Grade (g6)

    Clear

  • Material Detail

    • EN 1.1191 Equiv.
    • EN 1.4305 Equiv.

    Clear

  • Detailed Hardness

    • 40 - 45HRC
    • No Hardened

    Clear

  • A(mm)

    • 6
    • 8
    • 10
    • 12
    • 16
    • 18
    • 20
    • 22
    • 24

    Clear

  • E(mm)

     [2-5/0.1mm Unit(s)]

    Clear

  • F(mm)

    • 3
    • 4

     [3-15/1mm Unit(s)]

    Clear

  • L(mm)

     [5-30/0.1mm Unit(s)]

    Clear

  • Type

    • FCBBD
    • FCBBDH
    • FCBD
    • FCBDBL
    • FCBDBR
    • FCBDBRH
    • FCBDBW
    • FCBDBWH
    • FCBDGBR
    • FCBDGR
    • FCBDL
    • FCBDR
    • FCBDW

    Clear

  • Shaft Tolerance

    • Precision Grade (g6)
    • Standard Grade (-0.01/-0.05)

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

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Filter by standard shipping days

    • All
    • 3 Days or Less
    • 4 Days or Less

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Why do fulcrum pins have a shaft?
Answer:

The shank of the fulcrum pin serves primarily as a bearing or pivot point. In addition, the hardened shank can be used as a stopper.

Another advantage may be that the assembly parts can be reduced by using the fulcrum pin with as a spacer.
Question:

Are the fulcrum pins offered comparable with the DIN 923?
Answer:

In principle, the fulcrum pin and the slotted drive from MISUMI are similar to DIN 923. However, the dimensions differ. For example, the head diameter of the pivot bolt from MISUMI is up to one millimetre larger.
Question:

What is the difference between a fitted screw and the socket with pin?
Answer:

A fulcrum pin has a less tightly tolerated shank than the shoulder bolts. Therefore, it is more suitable for simpler applications that are less focused on precision. Likewise, the length and diameter of the shank are not freely configurable for all fulcrum pins.
Question:

What does the M stand for in the specification of the nominal thread diameter?
Answer:

The code letter M indicates that the screw has a metric ISO thread. The metric ISO thread differs fundamentally from standard threads (rough threads) and fine threads. Assembly parts equipped with an M-thread and the same thread size are compatible with each other (example: M8 screw/M8 nut).

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