1 1/2 Hi-Collar Helical Spring Lock Washer supports socket head cap screw installations that need spring take-up inside the counterbore. Its helical form adds resistance to loosening while preserving the counterbore fit expected in socket head cap screw assemblies. Pair this socket head cap screw washer with orders where the counterbore controls washer clearance.
Engineers specify this washer for automation equipment, packaging machinery, conveyor details, and compact screw joints when spring take-up is needed under a recessed socket head. Nylon insert socket cap screws provide a different locking approach, with the pellet in the thread instead of spring action under the head.
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.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
