1/4 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. Its helical form adds resistance to loosening while preserving the counterbore fit expected in socket head cap screw assemblies. Pair it with the matching socket head cap screw callout when building maintenance kits or fixture bills.

Engineers specify this washer for retrofit of vibrating equipment, service repairs, compact machinery, and field replacements 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 helps maintenance teams and distributors match the small companion parts that keep socket screw orders complete. Review the cap screw size, counterbore diameter, joint stack-up, and washer style before substituting a standard split washer.

Technical Highlights

  • Nominal Size: 1/4 (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.

Unit of Measure

Specifications

Brands

N/A Cold Headers, Inc.

Nominal Size

N/A 1/4 in

Material

N/A Carbon Steel

Package Type

N/A Bulk

Quantity

N/A 100

Search

N/A HSLW.1/4