Setting bolts, Type AK (Part Numbers - CAD Download)

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Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.

Part Number

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251-M8-20-AK

Product specification
Part Numbers
Catalog

GN 251 / Setting Bolts

Information

Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.
The version with Polyurethan disc (Type BK) functions as damping element or protection for sensitive surfaces.

see also...
• Mounting blocks GN 412.1
• Setting bolts GN 251.6 (with retaining magnet)

How to Order

How to order	1	d₁
	2	l₁
	3	Type

Specification

• Screw
Steel, tensile strength class 5.8
• Type AK
Blackened
Locating surface, hardened (HRC 45)
• Type BK
Nickel plated
Polyurethan disc, 90 shore
• Hexagon nut
Steel zinc plated, blue passivated
• Strength values of screws
• RoHS compliant

Dimensions


d₁	l₁ - Type AK										e	k₁	k₂	l₂ max.	s
M 3	10	15	20	25	30	-	-	-	-	-	6.4	2	2.4	1.5	5.5
M 4	10	15	20	25	30	35	40	-	-	-	8.1	2.8	3.2	2.1	7
M 5	10	15	20	25	30	35	40	50	-	-	9.2	3.5	4	2.4	8
M 6	15	20	25	30	35	40	50	-	-	-	11.5	4	5	3	10
M 8	15	20	25	30	35	40	50	60	70	80	15	5.5	6.5	3.7	13
M 10	30	35	40	50	60	70	80	-	-	-	19.6	7	8	4.5	17
M 12	30	35	40	50	60	70	80	-	-	-	21.9	8	10	5.2	19
M 16	50	60	70	80	-	-	-	-	-	-	27.7	10	13	6	24


d₁	l₁ - Type BK							d₂	e	k₁	k₃	l₂ max.	l₃	s
M 4	15	20	25	30	35	40	-	5	8.1	2.8	2.4	2.1	1.5	7
M 5	15	20	25	30	35	40	-	6	9.2	3.5	3.2	2.4	1.5	8
M 6	20	25	30	35	40	45	50	8	11.5	4	3.6	3	2	10
M 8	20	25	30	35	40	45	50	10	15	5.5	5	3.7	2	13
M 10	20	25	30	35	40	45	50	13	19.6	7	6	4.5	2	17

Data to be displayed: 30; 45; 60

Part Number
251-M8-20-AK

Part Number

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d1	l1
	4.88 € 2.59 €	1	Available	4 Days	M 8	20

Standard Unit Price

Minimum order quantity

Volume Discount

Standard
Shipping Days
?

Thread d1

4.88 €

2.59 €

Available

4 Days

M 8

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Basic information

Type	AK, Locating surface, with rounded end, hardened

This page is Setting bolts, Type AK, part number 251-M8-20-AK.
You can find the detail information about specifications and dimensions on part number 251-M8-20-AK.

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Basic Attributes

Type
- 251
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Thread d1
M 3

M 4

M 5

M 6

M 8

M 10

M 12

M 16
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l1
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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 .

Variation of this product

Part Number
251-M10-50-AK
251-M10-60-AK
251-M10-70-AK
251-M8-25-AK
251-M8-30-AK
251-M8-35-AK

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d1	l1
6.58 €	1	Available	7 Days	M 10	50
6.70 €	1	Available	7 Days	M 10	60
6.80 €	1	Available	7 Days	M 10	70
4.92 €	1	Available	7 Days	M 8	25
5.10 €	1	Available	7 Days	M 8	30
4.96 €	1	Available	3 Days	M 8	35