Split Lock Washers

Usages for Split Lock Washers

Split lock washers are used under nuts and bolt heads to maintain preload and resist loosening in assemblies subject to vibration or shock loading. Typical applications include electric motor mounting bolts, pump and compressor fastening, HVAC equipment assembly, electrical enclosure hardware, light machinery and conveyor systems, and general equipment assembly where vibration is present but not extreme. The open, helical form creates spring tension as the nut is tightened, and the sharp, hardened edges bite into both the fastener and mating surface when loosening begins.

Split Lock Washers for all Industries

Split lock washers are a standard anti-loosening measure across industrial manufacturing, HVAC and mechanical contracting, electrical construction, light equipment assembly, and MRO maintenance. They are one of the most commonly specified washers in production assembly and maintenance programs because they are low-cost, widely available, and effective in moderate-vibration applications. Blue Ribbon Fastener supplies split lock washers in the sizes and materials that keep production and maintenance operations fully stocked.

Split Lock Washers Features for Engineers & Buyers:

• Helical spring design provides spring-back tension against nut or bolt head
• Sharp edges bite into mating surfaces to resist loosening rotation
• Carbon steel, zinc-plated, and 18-8 stainless steel finishes available
• Meets ASME B18.21.1 dimensional standards
• Sizes from #2 machine screw through 2" bolt
• Cost-effective anti-loosening solution for moderate vibration applications
• Same-day shipping on in-stock sizes when ordered by 2:30 PM CST