S-91223A212 10-32 x 3/8" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00001 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00001 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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

Part No.
Part No. 0031FA00001
Equivalent to mcmaster :
91223A212

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 13/32"
Head Diameter Tolerance -0.005" to 0.005"
Head Height 1/16"
Socket Head Profile Ultra-Low

Dimensions

Length 3/8"
Shoulder Diameter 1/4"
Shoulder Length 1/16"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

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 tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
  • Precision Class 2A thread fit provides smooth assembly and secure fastening in fine-thread applications
  • Ultra-low socket head profile allows for compact installations where space is limited
  • Strict dimensional tolerances (±0.005") guarantee consistent fit and reduce assembly errors
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
  • Rockwell B70 hardness offers excellent wear resistance and long-term durability

Professional Applications & Engineering Value

This 10-32 UNF socket head cap screw in 316 stainless steel addresses critical engineering challenges in demanding sectors like chemical processing, marine equipment, and food machinery. The fine UNF threads and Class 2A fit deliver vibration-resistant connections, preventing loosening in dynamic environments. Its ultra-low head profile and precise 3/32" hex drive facilitate installation in confined spaces, while the 70,000 psi tensile strength ensures structural integrity under stress. The material's inherent corrosion resistance eliminates failure risks in humid or corrosive settings, making it a reliable choice for OEMs and maintenance teams requiring durable, regulatory-compliant fasteners.

Specification Summary & Compliance

This fastener adheres to UNF thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufacturing maintains tight tolerances, including a head diameter tolerance of ±0.005", supporting reliable performance in precision assemblies.

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