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Use the 1/2-13 x 1 1/2 18-8 stainless hex head cap screw when the assembly calls for side wrench access and a general-purpose bolt pattern. 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. For washdown or outdoor general-service use, review the actual environment and avoid assuming 18-8 is appropriate for severe chloride exposure.

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: 1/2-13
  • Length: 1 1/2 in.
  • Head Style: Hex
  • Drive: External Hex (wrench or socket driven)
  • Width Across Flats: 2.175-2.250 in.
  • Head Height: 0.902-0.974 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 1/2-13

Length

 N/A 1 1/2 in

Maximum Width Across the Flats

 N/A 2.250 in

Minimum Width Across the Flats

 N/A 2.175 in

Maximum Width Across Corners

 N/A 2.598 in

Minimum Width Across Corners

 N/A 2.480 in

Maximum Head Height

 N/A 0.974 in

Minimum Head Height

 N/A 0.902 in

Material

 N/A 18-8 Stainless Steel

Quantity

 N/A 50

Package Type

 N/A Box

Search

 N/A SSHHCMS.1/2-13.1 1/2

Note

Note

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