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PIPE LOCKWASHERS

External Type - Recommended for maximum torsional resistance.	Internal Type - Recommended where appearance or snagging are prime considerations.

Fit pipe diameters
Used with nuts having extreme internal diameters in relation to their O.D.’s

TYPICAL APPLICATIONS: Lamp and instrument board assemblies

INTERNAL TYPE
	Inside		Outside		Nominal	WCL
Pipe	Diameter		Diameter		Material	Product
Size	Min.	Max.	Min.	Max.	Thickness	Plain Steel
1/8	0.405	0.415	0.678	0.692	0.022	INT-0375-04-00
1/8	0.410	0.425	0.595	0.615	0.022	INT-0375-08-00
1/4	0.545	0.560	0.765	0.785	0.025	INT-0500-06-00
1/4	0.545	0.560	0.765	0.785	0.030	INT-0500-10-00
3/8	0.690	0.700	0.945	0.968	0.029	INT-0625-03-00
1/2	0.832	0.856	1.365	1.386	0.050	INT-0812-00-00
1/2	0.832	0.856	1.365	1.386	0.025	INT-0812-02-00
3/4	1.100	1.110	1.375	1.400	0.025	INT-1062-03-00
1 1/4	1.664	1.668	2.233	2.267	0.062	INT-1625-01-00
1 1/2	1.875	1.905	2.485	2.515	0.078	INT-1875-00-00

EXTERNAL TYPE
Nominal	Inside		Outside		Nominal	WCL
Screw	Diameter		Diameter		Material	Product	Steel	Stainless	Alloy
Size	Min.	Max.	Min.	Max.	Thickness	Plain Steel	Zinc	Steel	Bronze
1/8	0.406	0.420	0.680	0.695	0.035	EXT-0375-01-000	0551	4102	2514

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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