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1/4-28 x 5/8 18-8 Stainless Steel Low Head Socket Cap Screw is selected when a stainless socket fastener must fit where a taller head would interfere with nearby machine components.

The stainless construction is appropriate for general-service equipment where moisture resistance and a clean surface are useful selection factors.

The low head geometry gives this 1/4-28 x 5/8 fastener a reduced profile for machine guards and access panels, where the reduced head profile helps prevent interference around removable covers and moving components. It may also be specified for inspection fixtures and tooling plates, where a reduced head height can help maintain clearance around clamps, slides, locating features, and tooling details.

Use the verified dimensions below to compare nominal body diameter, head diameter, head height, hex socket size, and key engagement against the available space in the assembly.

Cold Headers serves machine builders, repair operations, and industrial distributors that need exact-size socket screws without exaggerated inventory claims.

Technical Highlights

  • Material: 18-8 Stainless Steel
  • Thread Size: 1/4-28
  • Length: 5/8 in.
  • 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.

Diameter

N/A 1/4-28

Length

N/A 5/8 in

Material

N/A 18-8 Stainless Steel

Quantity

N/A 100

Package Type

N/A Box

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.1/4-28.5/8

Note

Note

N/A Less Than Package Quantity Specified Plus 25%.