3/4 Hi-Collar Helical Spring Lock Washer helps complete a socket head cap screw order when the joint calls for a hi-collar washer under the head. The taller section and smaller outside diameter distinguish it from a standard split washer while maintaining spring action under the cap screw head. Pair this washer with the same nominal socket head cap screw size for counterbored assemblies.
Typical applications include maintenance kits, screw-and-washer kitting, replacement hardware, and shop service bins, where washer clearance under the socket head is part of the design. For a locking approach built into the screw itself, compare 1960 Series Alloy SHCS with Nylon Insert. Review 18-8 Stainless Socket Head Cap Screws when the screw material requirement changes.
Cold Headers supports OEM, repair, and toolroom sourcing where washer style and nominal size both need to match the print. Confirm the nominal screw size, counterbore clearance, material, package quantity, and whether a hi-collar washer is specified.
Technical Highlights
- Nominal Size: 3/4 (matches screw size)
- Style: Hi-Collar (reduced OD, increased section vs. standard split washer)
- Type: Helical Spring Lock Washer
- Fits: Socket head cap screw counterbores
- Material: Carbon Steel
- Dimensional Standard: ASME B18.21.1
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
