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Nominal Size 1/4 18-8 Stainless Steel Low Head Socket Cap Screw Reference Dimensions provides reference dimensional information for the 18-8 stainless low head socket cap screw family. This row is useful when comparing nominal body diameter, head diameter, head height, hex socket size, and key engagement for the listed nominal size.

Low head socket cap screws are selected when reduced head projection is important around access panels, machine guards, tooling plates, automation equipment, instrumentation, or other compact assemblies.

Compared with carbon steel fasteners, 18-8 stainless steel is often selected for cleaner appearance and resistance to normal atmospheric exposure. Cold Headers focuses on specialty socket products, difficult-to-find sizes, and practical sourcing support for MRO, automation, and repair operations.

Technical Highlights

  • Material: 18-8 Stainless Steel
  • Nominal Size: 1/4
  • Nominal Body Diameter: 0.2500 in.
  • Head Diameter: 0.369-0.375 in.
  • Head Height: 0.121-0.125 in.
  • Hex Socket Size: 0.1250 in.
  • Minimum Key Engagement: 0.094 in.
  • Drive Type: Internal Hex

Reference dimensions may vary slightly by manufacturer.

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.

Material

 N/A 18-8 Stainless Steel

Package Type

 N/A Box

Nominal Size

 N/A 1/4 in

Basic Screw Diameter

 N/A 0.2500 in

Maximum Head Diameter

 N/A 0.375 in

Minimum Head Diameter

 N/A 0.369 in

Maximum Head Height

 N/A 0.125 in

Minimum Head Height

 N/A 0.121 in

Hex Socket Size

 N/A 1/8 in

Minimum Key Engagement

 N/A 0.094 in

Search

 N/A SSLHSCS.0.2500.1/4