S-91223A236 1/2"-13 x 1" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00023 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00023 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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

Part No.
Part No. 0031FA00023
Equivalent to mcmaster :
91223A236

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 1"
Head Diameter Tolerance -0.005" to 0.005"
Head Height 11/64"
Socket Head Profile Ultra-Low

Dimensions

Length 1"
Shoulder Diameter 9/16"
Shoulder Length 11/64"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Thread Diameter 0.5"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/4"

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 construction, ideal for harsh chemical and marine environments
  • High-strength performance delivering 70,000 psi tensile strength for reliable load-bearing in demanding applications
  • Precise Class 2A thread fit ensures smooth assembly and consistent clamping force in UNC coarse thread applications
  • Optimized torque transmission through ultra-low socket head profile and 1/4" hex drive for reduced stripping risk
  • Full thread engagement along the entire 1" length provides maximum fastening stability and adjustment flexibility
  • Enhanced durability with Rockwell B70 hardness maintaining thread integrity under repeated use
  • Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 316 Stainless Steel Socket Head Cap Screws solve critical fastening challenges in corrosive environments. The combination of 1/2"-13 UNC coarse threads and Class 2A fit provides rapid assembly in high-vibration settings while maintaining precise alignment. The ultra-low socket head profile enables installation in confined spaces where standard head heights would interfere, while the 1/4" hex drive ensures maximum torque transmission without cam-out. These screws deliver exceptional performance in chemical processing equipment, marine hardware, and food processing machinery where both corrosion resistance and mechanical strength are paramount.

Specification Summary & Compliance

This Socket Head Cap Screw features 1/2"-13 UNC coarse threads with Class 2A dimensional accuracy per ASME B18.3 standards. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The inch system measurement ensures compatibility with North American industrial specifications, while the fully threaded design provides consistent engagement across the entire 1" length.

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