GN 251 Setting bolts Hexagon head hardened (Type AK)


GN 251 Setting bolts, Type AK

Product description


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.


Steel Tensile strength class 5.8
(500 N/mm2)
  • blackened

Hexagon head hardened
to HRC 45

Hexagon nut
zinc plated, blue passivated

RoHS compliant

Technical drawing

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GN 251 Setting bolts, Type AK sketch

Article options / Table


AKLocating surface, with rounded end, hardened
Show / Hide columns
M 31015202530-----6,422,41,55,5
M 410152025303540---8,12,83,22,17
M 51015202530354050--9,23,542,48
M 615202530354050---11,545310
M 815202530354050607080155,56,53,713
M 1030354050607080---19,6784,517
M 1230354050607080---21,98105,219
M 1650607080------27,71013624

Build & Price


Thread d1
Thread length l1

Selected Part (How to order)

Weight: 0,001 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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