Plain washer grade A

//Plain washer grade A
Plain washer grade A 2018-05-17T03:27:01+00:00

Project Description

Plain washer grade A

Plain washer grade A is plain washer with 200HV and 300HV hardness classes, no chamfer with sizes ranging from 1.6mm to 64mm.
The grade A plain washers are suitable for hexagon bolts and screws of grades A and B with property class of 8.8 to 10.9 and hexagon nuts of products A and B with property classes up to 8,10.

Standards: ISO 7089/ASME B18.22.1/DIN 125A
Material:Carbon steel
Stainless steel A2,A4,C1,C4,F1
Finish:natural finish or electroplating as agreed
Tolerance: products grade A refer to ISO4759-3.
Hardness range: 200HV-300HV.

Plain washer Grade A

washer

Dimension in mm.

Nominal size(Nominal threaddiameter, d) Clearance hole d1 Outside diameter d2 Thickness h
nor(min) max. nom(max.) min. nom. max. minl
1,6 1,70 1,84 4,0 3.7 0,3 0,35 0,25
2 2.2 2,34 5 4.7 0.3 0,35 0,25
2,5 2,70 2,84 6,0 5,7 0,5 0,55 0,45
3 3,20 3,38 7,00 6,64 0.5 0,66 0:45
4 4,30 4,48 9,00 8,64 0.8 0,9 0,7
5 5,30 5,48 10,00 9,64 1 1,1 0,9
6 6,40 6,62 12,00 11,57 1,6 1,8 1.4
8 8,40 8,62 16,00 15,57 1,6 1,8 1,4
10 10,50 10,77 20,00 19:48 2 2,2 1,8
12 13,00 13,27 24,00 23:48 2,5 2,7 2.3
16 17,00 17,27 30 29:48 3 3,3 2,7
20 21,00 21,33 37 36,38 3 3,3 27
24 25,00 25,33 44:00 43,38 4 4.3 3,7
30 31,00 31,39 56,00 55:26 4 4.3 3,7
36 37 37,62 66,0 64,8 5 5,6 4,4
42 45 45,62 78,0 76,8 8 9 7
48 52 52,74 92 90,6 8 9 7
56 62,00 62,74 105,0 103.6 10 11 9
64 70,00 70,74 115,0 113.6 10 11 9

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