The High Alloy helical spring split lock washers are manufactured from 4037 alloy steel. These washers are intended for use with Grade 5 and Grade 8 bolt and nut assembly applications.

Finish
PLN = Plain
MZ1= Mechanical Zinc & Clear Dichromate
MZ2= Mechanical Zinc & Yellow Dichromate

Ordering Example: 1/4 HA MZ2 is a 1/4 High Alloy Steel with a Mechanical Zinc & Yellow Dichromate finish.

lw14
Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside Diameter
B
Width
C
Thickness
D
WCL
Product Number
1/40.2520.260.4870.1090.0621/4 Reg Hi Alloy
5/160.3140.3220.5830.1250.0785/16 Reg Hi Alloy
3/80.3770.3850.680.1410.0943/8 Reg Hi Alloy
7/160.440.450.7760.1560.1097/16 Reg Hi Alloy
1/20.5020.5120.8690.1710.1251/2 Reg Hi Alloy
9/160.5640.5740.9650.1880.1419/16 Reg Hi Alloy
5/80.6280.6411.0730.2030.1565/8 Reg Hi Alloy
3/40.7530.7661.2650.2340.1883/4 Reg Hi Alloy
7/80.8780.8940.4830.1070.0477/8 Reg Hi Alloy
11.0031.0241.6560.2970.251 Reg Hi Alloy