3/8-16 X 1-3/4" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 3728CSFBB

Price:
Sale price$75.44per 100( $0.75 each)
Pieces 100
Measurement type Inch
Thread size 3/8-16
Length 1-3/4
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Flat
Thread style Fully Threaded
Weight 5.24 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Cap Screws Flat Socket Alloy Thermal Black Oxide 3/8-16 x 1 3/4 are high-strength socket cap screws designed for demanding machinery, automotive, and industrial assemblies.

Manufactured from premium alloy steel, these screws deliver reliable torque, excellent fatigue resistance, and long-lasting performance under heavy use. The flat socket configuration provides a secure, low-profile seating in tight spaces where traditional fasteners won’t fit.

The thermal black oxide finish not only gives a sleek, non-glare appearance but also adds corrosion and wear resistance, helping extend service life in harsh environments. The 3/8-16 UNC thread size is a common standard, ensuring compatibility with a wide range of components and hardware.

  • Material: Alloy steel for high strength and durability
  • Finish: Thermal black oxide for corrosion resistance and a low-glare finish
  • Size: 3/8-16 UNC thread, length 1 3/4 inches
  • Drive: Hex socket drive for secure tightening with a standard Allen wrench
  • Applications: Machinery, automotive, equipment assemblies, and other heavy-duty projects
  • Quality: Precision-machined to tight tolerances for consistent performance

Whether you're replacing worn fasteners or building a new project, these cap screws offer dependable strength and a clean, professional finish. Add them to your hardware kit today for quick, secure fastening.

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800-222-0324

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