DIN 128 Spring Washers

DIN128 Split Spring washers, curved lock washers are made of spring steels, 65Mn and #70 steels or stainless steels. Different to DIN127 spring washer, Its formed from a steel wire or square bar to a curved spring shape. The steel spring lock washers could be in zinc coated, yellow zinc coated, hot dipper galvanized and black oxide, while the stainless steel spring washers generally passivated offers a better corresion resistant and durability.

Transhow Company keep In-Stock sales on the regular sizes (below stated) for both #70 steel spring lock washers (Black, ZP, YZP) and stainless steel spring lock washers (AISI 304, AISI 316).

Normally shipment within 3 days after payments with MOQ requirement (500 kgs for #70 steel spring washers and 100 kgs for stainless steel spring washers).

MOQ order offers on EXW (Delivery at Ningbo factory, China).

In-Stock Sizes: M6, M8, M10, M12, M16, M20

DIN 128 split spring washer standard specifications as follows,

d1
for screw size
d2
s
h min
h max
4.1
M4
7.6
0.8
1.20
1.4
5.1
M5
9.2
1.0
1.50
1.7
6.1
M6
11.8
1.3
2.00
2.2
8.1
M8
14.8
1.6
2.45
2.8
10.2
M10
18.1
1.8
2.85
3.2
12.2
M12
21.1
2.1
3.35
3.7
14.2
M14
24.1
2.4
3.90
4.3
16.2
M16
27.4
2.8
4.50
5.1
18.2
M17
29.4
2.8
4.50
5.1
20.2
M20
33.6
3.2
5.10
5.9
22.2
M21
35.9
3.2
5.10
5.9
24.5
M24
40.0
4.0
6.50
7.5
30.5
M30
48.2
6.0
9.50
10.5