Screws with shoulder / drive selectable / stainless steel, steel / precision class (Part Numbers - CAD Download)

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MISUMI

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Back to the Category Fulcrum Pins

Technical Drawing - Fulcrum Pins

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

Basic Properties (e.g., material, hardness, coating, tolerance) - Fulcrum Pins

Straight Slot

Hex Socket

Wrench Flats

Hex Head

Material

Hardness

Surface Treatment

Standard Grade

Precision Grade

Standard Grade

Precision Grade

Standard Grade

-0.01
-0.05

Dg6

-0.01
-0.05

Dg6

-0.01
-0.05

CBBD

CBDBR

CBDGBR

CBDBW

CBDBL

EN 1.1191 Equiv.

Black Oxide

CBBDH

CBDBRH

CBDBWH

40~45HRC

CBD

CBDG

CBDR

CBDGR

CBDW

CBDL

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
CBD6 CBDGBR8	- -	10 12

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

Part Number:

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Data to be displayed: 30; 45; 60

Part Number
CBDBR12-12
CBDBR12-13
CBDBR12-15
CBDBR12-20
CBDBRH4-5
CBDBRH4-6
CBDBRH4-7
CBDBRH4-8
CBDBRH5-5
CBDBRH5-6
CBDBRH5-7
CBDBRH5-8
CBDBRH5-10
CBDBRH6-5
CBDBRH6-6
CBDBRH6-7
CBDBRH6-8
CBDBRH6-10
CBDBRH8-5
CBDBRH8-6
CBDBRH8-7
CBDBRH8-8
CBDBRH8-9
CBDBRH8-10
CBDBRH8-12
CBDBRH8-20
CBDBRH10-5
CBDBRH10-6
CBDBRH10-7
CBDBRH10-8
CBDBRH10-9
CBDBRH10-10
CBDBRH10-12
CBDBRH10-15
CBDBRH10-20
CBDBRH12-6
CBDBRH12-7
CBDBRH12-8
CBDBRH12-9
CBDBRH12-10
CBDBRH12-12
CBDBRH12-13
CBDBRH12-15
CBDBRH12-20
CBDBW4-1
CBDBW4-2
CBDBW4-3
CBDBW4-4
CBDBW4-5
CBDBW4-6
CBDBW4-7
CBDBW4-8
CBDBW5-1
CBDBW5-2
CBDBW5-3
CBDBW5-4
CBDBW5-5
CBDBW5-6
CBDBW5-7
CBDBW5-8

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Basic Shape	Shaft Dia. D (mm)	Shaft Tolerance	Thread Dia.	Material	Hardness	Surface Treatment	Precision	L Selection (mm)	Material Detail	Detailed Hardness
8.81 €	1	Available	4 Days	10	-	-	-	-	-	-	-	-	-	-	-
7.66 €	1	Available	5 Days	10	-	-	-	-	-	-	-	-	-	-	-
7.66 €	1	Available	4 Days	10	-	-	-	-	-	-	-	-	-	-	-
7.66 €	1	Available	5 Days	10	-	-	-	-	-	-	-	-	-	-	-
12.07 €	1	Available	4 Days	10	Hex Socket	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	40 - 45HRC
12.07 €	1	Available	4 Days	10	Hex Socket	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
12.07 €	1	Available	4 Days	10	Hex Socket	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
12.07 €	1	Available	4 Days	10	Hex Socket	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
12.35 €	1	Available	5 Days	10	Hex Socket	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	40 - 45HRC
12.35 €	1	Available	4 Days	10	Hex Socket	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
14.19 € 9.93 €	1	Available	Same day Stock	10	Hex Socket	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
12.35 €	1	Available	4 Days	10	Hex Socket	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
12.35 €	1	Available	4 Days	10	Hex Socket	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	10	EN 1.1191 Equiv.	40 - 45HRC
13.06 €	1	Available	4 Days	10	Hex Socket	6	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	40 - 45HRC
13.06 €	1	Available	4 Days	10	Hex Socket	6	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
13.06 €	1	Available	4 Days	10	Hex Socket	6	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
13.06 €	1	Available	5 Days	10	Hex Socket	6	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
13.06 €	1	Available	5 Days	10	Hex Socket	6	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	10	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	5 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	5 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	4 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	4 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	5 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	9	EN 1.1191 Equiv.	40 - 45HRC
14.34 €	1	Available	5 Days	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	10	EN 1.1191 Equiv.	40 - 45HRC
16.47 € 11.53 €	1	Available	Same day Stock	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	12	EN 1.1191 Equiv.	40 - 45HRC
14.34 € 10.04 €	1	Available	Same day Stock	10	Hex Socket	8	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	20	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	5 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	5 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	4 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	4 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	5 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	9	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	4 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	10	EN 1.1191 Equiv.	40 - 45HRC
16.30 € 11.41 €	1	Available	Same day Stock	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	12	EN 1.1191 Equiv.	40 - 45HRC
16.30 € 11.41 €	1	Available	Same day Stock	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	15	EN 1.1191 Equiv.	40 - 45HRC
16.30 €	1	Available	5 Days	10	Hex Socket	10	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	20	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	5 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	5 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	4 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	4 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	9	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	5 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	10	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	5 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	12	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	Same day Stock	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	13	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	4 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	15	EN 1.1191 Equiv.	40 - 45HRC
17.60 €	1	Available	5 Days	10	Hex Socket	12	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	20	EN 1.1191 Equiv.	40 - 45HRC
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	1	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	2	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	No Hardened
4.96 €	1	Available	4 Days	10	Wrench Flats	4	Standard Grade (-0.01/-0.05)	2.6	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	8	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	1	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	2	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	-	-	-	-	-	-	-	-	-	-	-
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	4	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	5	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	6	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	Wrench Flats	5	Standard Grade (-0.01/-0.05)	3	EN 1.1191 Equiv.	No Hardened	Black Oxide	Standard Grade (-0.01/-0.05)	7	EN 1.1191 Equiv.	No Hardened
5.12 €	1	Available	4 Days	10	-	-	-	-	-	-	-	-	-	-	-

Back to the Category Fulcrum Screws

Technical Drawing - Fulcrum Pins

Open the technical drawing in the new window

Specification Tables - Fulcrum Pins

■ L Dimension Tolerance

	Standard
Unhardened	+0.15 +0.05
Hardened	+0.2 0

∙ Precision Grade

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

■ Standard

Part Number			L Selection	A	E		MxP (Coarse)	F	ℓ	W	B	h	h₁	C	W₁	G
Type		D			Straight Slot	Wrench Flats Hex Socket Hex Head
Straight Slot (Standard) CBBD CBBDH CBD Straight Slot (Precision) CBDG Hex Socket (Standard) CBDBR CBDBRH CBDR Hex Socket (Precision) CBDGBR CBDGR	Wrench Flats (Standard) CBDBW CBDBWH CBDW Hex Head (Standard) CBDBL CBDL	4	1 2 3 4 5 6 7 8	6	2	3.5	2.6x0.45	4	0.8	0.8	2	1	2	0.5	5	7
		5	1 2 3 4 5 6 7 8 10	8		4	3x0.5	6	1		2.5		2.5		7	8
		6	2 3 4 5 6 7 8 10	10	2.5		4x0.7	8	1.2	1.2	3	1.5	3		8	10
		8	5 6 7 8 9 10 12 20	12	3	4.5	5x0.8	10	1.4		4		3.5	1	10	13
		10	5 6 7 8 9 10 12 15 20	16	4	5	6x1.0	12	1.5	1.4	5	1.8	4		13	17
		12	6 7 8 9 10 12 13 15 20	18	5		8x1.25			1.5		2			14	19

For Hex Socket, L≥5

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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
Clear
Shaft Tolerance
Precision Grade (g6)

Standard Grade (-0.01/-0.05)
Clear
Thread Dia.
2.6

3

4

5

6

8
Clear
Material
- Stainless Steel
- 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
L Selection(mm)
1

2

3

4

5

6

7

8

9

10

12

13

15

20
Clear
Material Detail
- EN 1.1191 Equiv.
- EN 1.4305 Equiv.
Clear
Detailed Hardness
- 40 - 45HRC
- No Hardened
Clear
Type
- CBBD
- CBBDH
- CBD
- CBDBL
- CBDBR
- CBDBRH
- CBDBW
- CBDBWH
- CBDG
- CBDGBR
- CBDGR
- CBDL
- CBDR
- CBDW
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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).