HIGH ALLOY HELICAL SPRING SPLIT LOCKWASHERS

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.

T1 Table

PLN = Plain
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.

Nominal	Inside Diameter		Outside Diameter	Width	Thickness	WCL
Washer	A		B	C	D	Product Number
Size	Min.	Max.
1/4	.252	.260	.487	.109	.062	1/4-REG-HA
5/16	.314	.322	.583	.125	.078	5/16-REG-HA
3/8	.377	.385	.680	.141	.094	3/8-REG-HA
7/16	.440	.450	.776	.156	.109	7/16-REG-HA
1/2	.502	.512	.869	.171	.125	1/2-REG-HA
9/16	.564	.574	.965	.188	.141	9/16-REG-HA
5/8	.628	.641	1.073	.203	.156	5/8-REG-HA
3/4	.753	.766	1.265	.234	.188	3/4-REG-HA
7/8	.878	.894	1.459	.266	.219	7/8-REG-HA
1	1.003	1.024	1.656	.297	.250	1-REG-HA

WCL Company • 16730 East Johnson Dr. • P.O. Box 3588 • Industry, CA 91744
Tel (626) 968-5523 • Fax (626) 369-9805 • We are Open 7am - 4:30pm, Pacific

WCL Company specializes in reliable low-cost, engineered high-performance fasteners, fittings, plastic components, washers, nuts, and a wide array of fastener components. WCL has 50 years of experience with all types of standard and engineered fasteners, and provides a comprehensive line of fastener products for sale from some of the world's leading manufacturers.