DIN 128 A – Split Spring Washers Curved, Form A Standard & Weight Chart
Table of Contents
DIN Standard Fasteners, DIN 128 A – Split Spring Washers Curved, Form A Standard & Weight Chart – China Inconel Bolts Inc.
DIN 128 A – Split Spring Washers Curved, Form A are solid steel rods with a taper down the length to a smaller diameter at one end. China Inconel Bolts Inc. is one of India’s leading Fastener Manufacturers. We carries German DIN Standard Fasteners. We have a large stock of DIN Fasteners. DIN Fasteners are exported to Saudi Arabia, Europe, the United States, Canada, Mexico, Africa, Oman, Qatar, the United Arab Emirates, Australia, Germany, France, Italy, and other countries.
Equivalent Standards
CSN 21731
UNI 8839
DIN 128 A Split Spring Washers Curved, Form A Dimensions Chart
Nominal size
For thread
d1 min.
d1 max.
b
s
h min.
h max.
r
Weight kg/1000pcs
2
M2
2.1
2.4
0.9 ± 0.1
0.5 ± 0.1
0.7
0.9
0.1
0.035
2.5
M2.5
2.6
2.9
1 ± 0.1
0.6 ± 0.1
0.9
1.1
0.1
0.055
3
M3
3.1
3.4
1.3 ± 0.1
0.7 ± 0.1
1.1
1.3
0.1
0.09
3.5
M3.5
3.6
3.9
1.3 ± 0.1
0.7 ± 0.1
1.1
1.3
0.1
0.1
4
M4
4.1
4.4
1.5 ± 0.1
0.8 ± 0.1
1.2
1.4
0.2
0.15
5
M5
5.1
5.4
1.8 ± 0.1
1 ± 0.1
1.5
1.7
0.2
0.3
6
M6
6.1
6.5
2.5 ± 0.15
1.3 ± 0.1
2
2.2
0.3
0.7
7
M7
7.1
7.5
2.5 ± 0.15
1.3 ± 0.1
2
2.2
0.3
0.75
8
M8
8.1
8.5
3 ± 0.15
1.6 ± 0.1
2.45
2.75
0.5
1.3
10
M10
10.2
10.7
3.5 ± 0.2
1.8 ± 0.1
2.85
3.15
0.5
2.1
12
M12
12.2
12.7
4 ± 0.2
2.1 ± 0.15
3.35
3.65
1
3.2
14
M14
14.2
14.7
4.5 ± 0.2
2.4 ± 0.15
3.9
4.3
1
4.8
16
M16
16.2
17
5 ± 0.2
2.8 ± 0.15
4.5
5.1
1
7
18
M18
18.2
19
5 ± 0.2
2.8 ± 0.15
4.5
5.1
1
7.8
20
M20
20.2
21.2
6 ± 0.2
3.2 ± 0.2
5.1
5.9
1
12.2
22
M22
22.5
23.5
6 ± 0.2
3.2 ± 0.2
5.1
5.9
1
13.3
24
M24
24.5
25.5
7 ± 0.25
4 ± 0.2
6.5
7.5
1.6
21.5
27
M27
27.5
28.5
7 ± 0.25
4 ± 0.2
6.5
7.5
1.6
23.7
30
M30
30.5
31.7
8 ± 0.25
6 ± 0.2
9.5
10.5
1.6
42.5
36
M36
36.5
37.7
10 ± 0.25
6 ± 0.2
10.3
11.3
1.6
68
DIN 128 A Split Spring Washers Curved, Form A Weight Chart
