S-90346A115 6-32 x 3/8" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws

High-Strength 316 Stainless Steel Socket Head Screws

0020FA00040 High-Strength 316 Stainless Steel Socket Head Screws
0020FA00040 High-Strength 316 Stainless Steel Socket Head Screws

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

Part No.
Part No. 0020FA00040
Equivalent to mcmaster :
90346A115

Basic Information

Fabrication Cold Worked
System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.226"
Head Height 0.138"
Socket Head Profile Standard

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 7/64"

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell C25
Tensile Strength 110000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
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 316 stainless steel construction, ideal for harsh environments and chemical exposure
  • Exceptional mechanical strength offering 110,000 psi tensile strength and Rockwell C25 hardness for reliable load-bearing performance
  • Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure, vibration-resistant fastening
  • Optimized drive efficiency through standard hex socket design compatible with 7/64" tools for easy installation and removal
  • Enhanced durability from cold-worked fabrication process improving material integrity and fatigue resistance
  • Full-threaded design providing consistent clamping force along the entire 3/8" length for uniform stress distribution
  • Regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 316 stainless steel socket head cap screws deliver critical performance advantages in corrosive environments where fastener failure is not an option. The cold-worked manufacturing process enhances grain structure, providing superior tensile strength (110,000 psi) and resistance to stress corrosion cracking. The Class 3A thread fit with UNC coarse threads ensures precise engagement in tapped holes while accommodating minor misalignments. The hex socket drive design allows for high torque application in confined spaces, making these fasteners ideal for precision machinery, marine equipment, chemical processing systems, and food-grade applications where reliability and corrosion resistance are paramount.

Specification Summary & Compliance

This 6-32 UNC threaded socket head cap screw features precise Class 3A thread fit tolerances with coarse thread spacing and right-hand thread direction. Manufactured to ASME B18.3 specifications with dimensions including 3/8" length, 0.226" head diameter, and 7/64" hex drive size. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.

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