There is a minimum order of $100.00

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PYRAMIDAL TYPE LOCKWASHERS

Provide exceptional holding strength and withstand high torques - ideal for heavy duty applications.
Ribbed for rigidity under load.
Sharp points on periphery resist shifting
Internal teeth lock into bolt head or nut to prevent backoff.
Ideal where thick materials and high torques are involved.

Nominal	Hole		Across				Nominal	WCL
Washer	Diameter		Flats		Across	Minimum	Material	Product
Size	Min.	Max.	Min.	Max.	Corners	Height	Thickness	Number
1/4	0.252	0.258	0.740	0.760	0.866	0.180	0.078	PYRM-0250-14-01
5/16	0.320	0.332	0.740	0.760	0.866	0.145	0.062	PYRM-0312-14-01
5/16	0.320	0.332	0.990	1.010	1.150	0.200	0.078	PYRM-0312-18-01
5/16	0.320	0.332	0.990	1.010	1.150	0.165	0.050	PYRM-0312-18-02
5/16	0.320	0.332	0.990	1.010	1.150	0.180	0.062	PYRM-0312-18-03
3/8	0.380	0.390	0.740	0.760	0.866	0.145	0.062	PYRM-0375-14-01
3/8	0.384	0.398	0.990	1.010	1.150	0.130	0.062	PYRM-0375-18-01
3/8	0.384	0.398	1.068	1.088	1.250	0.160	0.078	PYRM-0375-20-01
3/8	0.384	0.398	1.240	1.260	1.410	0.270	0.109	PYRM-0375-23-01
3/8	0.384	0.398	1.355	1.375	1.576	0.275	0.093	PYRM-0375-25-01
3/8	0.384	0.398	1.355	1.375	1.576	0.190	0.062	PYRM-0375-25-02
7/16	0.454	0.468	1.240	1.260	1.410	0.270	0.109	PYRM-0437-23-01
7/16	0.446	0.450	1.355	1.375	1.576	0.195	0.093	PYRM-0437-25-01
1/2	0.512	0.529	1.240	1.260	1.410	0.195	0.109	PYRM-0500-23-01
1/2	0.512	0.529	1.355	1.375	1.576	0.210	0.093	PYRM-0500-25-01
1/2	0.512	0.529	1.355	1.375	1.576	0.190	0.093	PYRM-0500-25-02
1/2	0.512	0.529	1.355	1.375	1.576	0.240	0.093	PYRM-0500-25-03
9/16	0.576	0.586	1.355	1.375	1.576	0.200	0.093	PYRM-0562-25-01
9/16	0.576	0.586	1.355	1.375	1.576	0.220	0.093	PYRM-0562-25-02
9/16	0.576	0.586	1.355	1.375	1.576	0.230	0.109	PYRM-0562-25-03

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.

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