The 3/8-24 x 5 1/2 size in 18-8 stainless is suited to hex-head fastening where frames, brackets, or guards need serviceable external drive access. 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 hardware, equipment covers, and access panels. 18-8 stainless is not a graded or heat-treated fastener; where certified high clamp loads govern, a graded steel hex bolt is the better tool.

18-8 stainless steel is an 18% chromium and 8% nickel austenitic stainless material used for ordinary atmosphere, moisture exposure, washdown, and clean appearance. For production, repair, and distributor sourcing, Cold Headers can help confirm the exact diameter and length before quoting.

Technical Highlights

• Material: 18-8 Stainless Steel
• Thread Size: 3/8-24
• Length: 5 1/2 in.
• Head Style: Hex
• Drive: External Hex (wrench or socket driven)
• 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.