S-93615A524 3/8"-16 x 1 1/4" 18-8 Stainless Steel Low-Profile Socket Head Screws

18-8 Stainless Steel Low-Profile Socket Head Screws

0028FA00139 18-8 Stainless Steel Low-Profile Socket Head Screws
0028FA00139 18-8 Stainless Steel Low-Profile Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0028FA00139
Equivalent to mcmaster :
93615A524

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.563"
Head Height 0.192"
Socket Head Profile Low

Dimensions

Length 1 1/4"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/16"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
  • High tensile strength of 70,000 psi ensures reliable performance under significant mechanical loads and vibration
  • Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during assembly
  • Low profile socket head design allows for installation in tight spaces and offers a sleek, flush finish
  • Coarse UNC threading (3/8"-16) enables faster installation and is less prone to clogging in dirty or debris-filled applications
  • Fully threaded shank delivers consistent clamping force along the entire length for secure fastening
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international industry standards

Professional Applications & Engineering Value

This low profile socket head cap screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 Stainless Steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for industrial fasteners in manufacturing, automotive, and marine applications. The coarse UNC thread (3/8"-16) combined with a Class 3A thread fit ensures quick, secure installation even in high-vibration environments, reducing assembly time and maintenance needs. Its low profile head and hex drive design provide optimal torque transmission and space efficiency, ideal for compact equipment and enclosures where clearance is limited. This screw delivers reliable, long-term performance in demanding engineering scenarios.

Specification Summary & Compliance

This socket head cap screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for superior dimensional accuracy. Manufactured in the inch system, it features a 3/8"-16 thread size, 1-1/4" length, and fully threaded design. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.

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