Heavy duty washers, low type

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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.

Part Number

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Data to be displayed: 30; 45; 60

Part Number
6339-6,3-12-2,5-BT
6339-6,3-12-2,5-GO
6339-8,4-16-2,5-BT
6339-8,4-16-2,5-GO
6339-10,4-20-3-BT
6339-10,4-20-3-GO
6339-12,5-24-3,5-BT
6339-12,5-24-3,5-GO
6339-14,5-28-3,5-BT
6339-14,5-28-3,5-GO
6339-16,5-30-4-BT
6339-16,5-30-4-GO
6339-18,5-34-5-BT
6339-18,5-34-5-GO
6339-20,5-37-5-BT
6339-20,5-37-5-GO
6339-22,5-40-5-BT
6339-22,5-40-5-GO
6339-24,5-44-5-BT
6339-24,5-44-5-GO
6339-28-50-6-BT
6339-28-50-6-GO
6339-31-56-6-BT
6339-31-56-6-GO
6339-37-66-7-BT
6339-37-66-7-GO

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Inner diameter d1 (mm)	s (mm)	Outside diameter d2	Finish
2.70 €	1	Available	7 Days	6.3	2.5	12	BT- blackened
3.02 € 1.60 €	1	Available	Same day Stock	6.3	2.5	12	GO- GEOMET 500-treated
2.68 €	1	Available	7 Days	8.4	2.5	16	BT- blackened
3.08 €	1	Available	7 Days	8.4	2.5	16	GO- GEOMET 500-treated
2.86 €	1	Available	7 Days	10.4	3	20	BT- blackened
3.12 €	1	Available	7 Days	10.4	3	20	GO- GEOMET 500-treated
3.16 €	1	Available	7 Days	12.5	3.5	24	BT- blackened
3.52 €	1	Available	7 Days	12.5	3.5	24	GO- GEOMET 500-treated
3.68 € 1.95 €	1	Available	Same day Stock	14.5	3.5	28	BT- blackened
4.00 €	1	Available	7 Days	14.5	3.5	28	GO- GEOMET 500-treated
4.02 €	1	Available	7 Days	16.5	4	30	BT- blackened
4.40 € 2.33 €	1	Available	Same day Stock	16.5	4	30	GO- GEOMET 500-treated
5.10 € 2.70 €	1	Available	Same day Stock	18.5	5	34	BT- blackened
5.22 € 2.77 €	1	Available	Same day Stock	18.5	5	34	GO- GEOMET 500-treated
5.08 € 2.69 €	1	Available	Same day Stock	20.5	5	37	BT- blackened
5.32 € 2.82 €	1	Available	Same day Stock	20.5	5	37	GO- GEOMET 500-treated
5.38 € 2.85 €	1	Available	Same day Stock	22.5	5	40	BT- blackened
5.62 € 2.98 €	1	Available	Same day Stock	22.5	5	40	GO- GEOMET 500-treated
6.16 € 3.26 €	1	Available	Same day Stock	24.5	5	44	BT- blackened
6.38 € 3.38 €	1	Available	Same day Stock	24.5	5	44	GO- GEOMET 500-treated
9.62 € 5.10 €	1	Available	Same day Stock	28	6	50	BT- blackened
10.40 € 5.51 €	1	Available	Same day Stock	28	6	50	GO- GEOMET 500-treated
12.26 €	1	Available	7 Days	31	6	56	BT- blackened
13.60 € 7.21 €	1	Available	Same day Stock	31	6	56	GO- GEOMET 500-treated
13.86 € 7.35 €	1	Available	Same day Stock	37	7	66	BT- blackened
15.10 € 8.00 €	1	Available	Same day Stock	37	7	66	GO- GEOMET 500-treated

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Basic Attributes

Inner diameter d1(mm)
6.3

8.4

10.4

12.5

14.5

16.5

18.5

20.5

22.5

24.5

28

31

37
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s(mm)
2.5

3

3.5

4

5

6

7
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Outside diameter d2
12

16

20

24

28

30

34

37

40

44

50

56

66
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Finish
- GO- GEOMET 500-treated
- BT- blackened
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Type
- 6339
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