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This 3/8-24 x 7/16 18-8 stainless hex head cap screw is a size-specific listing for assemblies that use a nut or prepared tapped hole. In this size range it is treated as a hex head cap screw, with the hex head driven by external tooling rather than an internal socket.

Common application reviews include HVAC equipment, conveyor structures, and retrofit repairs. Use it through a clearance hole with a nut or into a prepared tapped hole when the drawing calls for a stainless hex-head fastener.

18-8 stainless steel is an 18% chromium and 8% nickel austenitic stainless material used for ordinary atmosphere, moisture exposure, washdown, and clean appearance. Cold Headers serves maintenance and production needs where exact-size stainless hardware matters more than generic substitution.

Technical Highlights

  • Material: 18-8 Stainless Steel
  • Thread Size: 3/8-24
  • Length: 7/16 in.
  • Head Style: Hex
  • Drive: External Hex (wrench or socket driven)
  • Width Across Flats: 0.612-0.625 in.
  • Wrench Size: 5/8 in.
  • Head Height: 0.272-0.291 in.
  • Dimensional Standard: ASME B18.2.1
  • Material Standard: ASTM F593

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 3/8-24

Length

 N/A 7/16 in

Maximum Width Across the Flats

 N/A 0.625 in

Minimum Width Across the Flats

 N/A 0.612 in

Maximum Width Across Corners

 N/A 0.722 in

Minimum Width Across Corners

 N/A 0.698 in

Maximum Head Height

 N/A 0.291 in

Minimum Head Height

 N/A 0.272 in

Material

 N/A 18-8 Stainless Steel

Quantity

 N/A 100

Package Type

 N/A Box

Search

 N/A SSHHCMS.3/8-24.7/16

Note

Note

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