DIN 7349 Plain Washers for Bolts with Heavy Clamping Sleeves

DIN7349 washer is a type of heavy structure use flat washers, with high strength and thicker bearing surface. Normally used in a high tensile bolt with spring pins (din1481). The regular material for din7349 heavy structure flat washer are spring steels, alloy steels, stainless steels, brass, bronze or copper alloys.

transhow washers
din7349 fender washer from Transhow
Size
Bolt Size
d1 (Min-Max)
d2 (Min-Max)
s
for DIN1481
4.3
4
4.3-4.48
12-11.57
1.6
8
5.3
5
5.3-5.48
15-14.57
2
10
6.4
6
6.4-6.62
18-17.57
3
12
7.4
7
7.4-7.62
22-21.48
3.5
14
8.4
8
8.4-8.62
24-23.48
4
16
10.5
10
10.5-10.77
30-29.48
4
18
13
12
13-13.27
37-36.38
6
21
15
14
15-15.27
37-38.6
6
25
17
16
17-17.27
40-41
6
28
19
18
19-19.3
43.8-44.5
8
32
21
20
21-21.4
44-45
8
35
23
22
23-23.5
49.8-51
8
38
25
24
25-25.6
49.8-52
10
40
28
27
28-29
59.5-61
10
45
31
30
31-33
67.8-69
10
50