1/2-13 x 3/8 18-8 Stainless Steel Low Head Socket Cap Screw is built for compact fastening locations where thread engagement, length selection, and head clearance all matter.

Cold Headers focuses on specialty socket products, difficult-to-find sizes, and practical sourcing support for MRO, automation, and repair operations.

The low head geometry gives this 1/2-13 x 3/8 fastener a reduced profile for electrical enclosures and control panels, where the low head design helps keep hardware projection controlled on exposed or space-limited surfaces. It may also be specified for instrumentation and precision machinery, where the clean stainless appearance and compact head style support equipment where clearance and access both matter.

The material provides everyday corrosion resistance for production equipment, commercial hardware, and maintenance work without overstating the application.

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.

Technical Highlights

  • Material: 18-8 Stainless Steel
  • Thread Size: 1/2-13
  • Length: 3/8 in.
  • Nominal Body Diameter: 0.5000 in.
  • Head Diameter: 0.743-0.750 in.
  • Head Height: 0.244-0.250 in.
  • Hex Socket Size: 0.2500 in.
  • Minimum Key Engagement: 0.184 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 1/2-13

Length

N/A 3/8 in

Material

N/A 18-8 Stainless Steel

Quantity

N/A 50

Package Type

N/A Box

Basic Screw Diameter

N/A 0.5000 in

Maximum Head Diameter

N/A 0.750 in

Minimum Head Diameter

N/A 0.743 in

Maximum Head Height

N/A 0.250 in

Minimum Head Height

N/A 0.244 in

Hex Socket Size

N/A 1/4 in

Minimum Key Engagement

N/A 0.184 in

Search

N/A SSLHSCS.1/2-13.3/8

Note

Note

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