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.
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 |
|