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3/8-16 x 1 Alloy Steel Low Head Socket Cap Screw is specified when machine design requires internal-hex fastening with a reduced head height. Its alloy steel construction and internal hex drive support compact mechanical fastening without requiring an external wrenching surface.

Common use cases include guarding and machine covers, where the reduced head height helps preserve clearance around moving parts and service panels. It can also support robotics and automation systems, where compact socket screws help designers work inside tight machine envelopes. The reduced head height is the main selection reason when a taller socket head would conflict with nearby machine components.

Because low-head dimensions are controlled by nominal screw diameter rather than length, this fastener should be selected by thread, length, and the available clearance above the assembly.

Technical Highlights

  • Material: Alloy Steel
  • Thread Size: 3/8-16
  • Length: 1 in.
  • Basic Diameter: 0.375 in.
  • Head Diameter: 0.556-0.562 in.
  • Head Height: 0.182-0.192 in.
  • Hex Socket Size: 3/16 in.
  • Minimum Key Engagement: 0.115 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 3/8-16

Length

 N/A 1 in

Basic Diameter

 N/A 0.375 in

Maximum Head Diameter

 N/A 0.562 in

Minimum Head Diameter

 N/A 0.556 in

Maximum Head Height

 N/A 0.192 in

Minimum Head Height

 N/A 0.182 in

Hex Socket Size

 N/A 3/16 in

Minimum Key Engagement

 N/A 0.115 in

Material

 N/A Alloy Steel

Quantity

 N/A 100

Package Type

 N/A Box

Search

 N/A ASLHSCS.3/8-16.1

Note

Note

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