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For drawings calling out 5/8-11 x 2, this 18-8 stainless hex head fastener supports assemblies where top-drive clearance is not required. 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 outdoor general-service equipment, frames, and adjustment brackets. Need these in 316 or another alloy? Ask; non-catalog sourcing is part of Cold Headers' work.

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: 5/8-11
  • Length: 2 in.
  • Head Style: Hex
  • Drive: External Hex (wrench or socket driven)
  • Width Across Flats: 2.900-3.000 in.
  • Head Height: 1.175-1.263 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 5/8-11

Length

 N/A 2 in

Maximum Width Across the Flats

 N/A 3.000 in

Minimum Width Across the Flats

 N/A 2.900 in

Maximum Width Across Corners

 N/A 3.464 in

Minimum Width Across Corners

 N/A 3.306 in

Maximum Head Height

 N/A 1.263 in

Minimum Head Height

 N/A 1.175 in

Material

 N/A 18-8 Stainless Steel

Quantity

 N/A 25

Package Type

 N/A Box

Search

 N/A SSHHCMS.5/8-11.2

Note

Note

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