GN 6339 Heavy duty washers low type


GN 6339 Heavy duty washers, low type Finish: BT - blackened
Finish: BT - blackened
GN 6339 Heavy duty washers, low type Finish: BT - blackened GN 6339 Heavy duty washers, low type Finish: GO - GEOMET 500-treated

Product description


The influence of a washer on the quality of the screwed connection is very often underestimated. With washers GN 6339, high quality preloaded screwed connections can be established.

A high static clamping force can be reached avoiding loss of tension.

At a specified preloaded clamping force it is often possible to use thinner bolts. This can result in a better ratio between clamping distance and bolt diameter to minimise the danger of failure.

The case hardened smooth bolt head/screw contact face leads to a lower and more constant friction co-efficient even when continuous clamping and releasing operations are required.

Washers GN 6339 are only suitable for machine construction bolts of classes 8.8 / 10.9 / 12.9, and not for steel bolts DIN 6916.


Steel, 1.7227 (42 CrMoS 4 V)
  • case hardened to tensile strength
    Rm = 1220 ... 1400 N/mm²
  • fine machined and slide ground


GEOMET 500-treatedGO


Technical drawing

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GN 6339 Heavy duty washers, low type sketch

Article options / Table

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d1d2sd3ffor screws
with thread size
6,3122,570,6M 6
8,4162,59,50,75M 8
10,420311,50,75M 10
12,5243,5141M 12
14,5283,5161M 14
16,5304181M 16
18,5345211,5M 18
20,5375231,5M 20
22,5405251,5M 22
24,5445271,5M 24
28506311,5M 27
31566341,5M 30
37667402M 36

Build & Price


Inner diameter d1
Outside diameter d2
Height s

Selected Part (How to order)

Weight: 0,002 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: Yes
This article is RoHS-compliant in application of Annex III., 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 150,00 Euro -> 10 % discount
from 250,00 Euro -> 20 % discount
from 350,00 Euro -> 30 % discount
With a total value (net) per order:
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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