Value Collection LWIS175USA-010BX Split Lock Washer Grade 8

Product Description

The VALUE COLLECTION LWIS175USA-010BX is a Grade 8 spring steel split lock washer designed for 1-3/4 inch screw sizes. This heavy-duty washer functions by biting into both the fastener bearing surface and the mating material under load, resisting loosening caused by vibration and torque relaxation. The inside diameter ranges from 1.758 to 1.789 inches, with a maximum outside diameter of 2.679 inches and a thickness of 0.389 inches. The bright, uncoated finish means no surface treatment has been applied, making it suitable for applications where a bare steel surface is acceptable or where the installer will apply their own coating or plating. Mechanical assembly technicians and millwrights are the primary installers of this hardware type.

This split lock washer is used in heavy industrial, structural, and mechanical assembly applications where a 1-3/4 inch fastener is specified and resistance to vibration-induced loosening is required. Grade 8 material grade indicates high tensile strength, making this washer appropriate for high-stress bolted joints in equipment, machinery, and structural connections. It is sold individually per package with a minimum order quantity of 10 pieces.

Key Features

• Grade 8 spring steel construction for high-load, high-vibration applications
• Split lock design bites into fastener and mating surface to resist loosening
• Inside diameter range of 1.758 to 1.789 inches fits 1-3/4 inch screw sizes
• Maximum outside diameter of 2.679 inches
• Thickness of 0.389 inches provides consistent spring tension under load
• Bright, uncoated finish — no surface treatment applied
• Inch measurement system; does not meet military specifications

Compatibility

Designed for use with 1-3/4 inch screw and bolt sizes in inch-dimensioned fastener assemblies requiring a split lock washer.

Installation Notes

Installation is performed by mechanical assemblers, millwrights, or maintenance technicians working on bolted joints. The washer should be placed on the fastener between the nut or bolt head and the mating surface with the split gap positioned correctly to allow the washer to compress fully as the fastener is tightened. Torque specifications are determined by the fastener grade and joint requirements — consult the applicable engineering standard or assembly specification. Inspect washers for cracks or deformation before installation and discard any damaged pieces.