S-91223A233 3/8"-16 x 2" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00020 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00020 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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

Part No.
Part No. 0031FA00020
Equivalent to mcmaster :
91223A233

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/4"
Head Diameter Tolerance -0.005" to 0.005"
Head Height 1/8"
Socket Head Profile Ultra-Low

Dimensions

Length 2"
Shoulder Diameter 7/16"
Shoulder Length 1/8"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/16"

Material & Strength

Material 316 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 316 stainless steel material, ideal for harsh industrial environments and extended service life.
  • High tensile strength of 70,000 psi and Rockwell B70 hardness ensure reliable, durable fastening under heavy loads.
  • Precise Class 2A thread fit guarantees smooth assembly and consistent performance with standard UNC nuts and threaded holes.
  • Ultra-low socket head profile allows for installation in tight spaces where clearance is limited.
  • Hex drive compatibility (3/16") provides secure tool engagement, reducing slippage and simplifying maintenance.
  • Fully threaded design offers maximum grip and adjustability along the entire 2-inch length.
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 Stainless Steel Socket Head Cap Screw combines exceptional material properties with precise manufacturing. The 3/8"-16 UNC coarse thread and Class 2A fit facilitate quick, reliable assembly in machinery, automotive, and marine equipment, reducing installation time and minimizing cross-threading risks. The ultra-low socket head and hex drive design enable secure fastening in confined spaces, while the high tensile strength and corrosion resistance ensure long-term performance in aggressive environments, preventing fastener failure and maintenance downtime.

Specification Summary & Compliance

This fastener adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety regulations are satisfied. Key specifications include a 2-inch length, fully threaded rod, and coarse thread spacing, providing reliable performance in various industrial fastening applications.

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