S-91223A315 6-32 x 3/4" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00030 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00030 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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

Part No.
Part No. 0031FA00030
Equivalent to mcmaster :
91223A315

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 7/32"
Head Diameter Tolerance -0.005" to 0.005"
Head Height 3/64"
Socket Head Profile Ultra-Low

Dimensions

Length 3/4"
Shoulder Diameter 9/64"
Shoulder Length 3/64"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/16"

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 construction, ideal for harsh industrial and marine environments
  • High mechanical reliability with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
  • Precise torque transmission enabled by the ultra-low socket head profile and 1/16" hex drive
  • Easy installation and secure fit with 6-32 UNC coarse threads and Class 2A thread fit
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for regulated industries
  • Consistent dimensional accuracy with head diameter tolerance of ±0.005" for reliable assembly
  • Full thread engagement across the entire 3/4" length for maximum holding power

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw addresses critical engineering challenges in corrosive and high-stress environments. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures mechanical integrity under sustained loads, while the ultra-low socket head profile with 1/16" hex drive provides superior torque transmission in confined spaces. The 6-32 UNC coarse threads with Class 2A fit enable quick assembly and reliable fastening in industrial equipment, marine hardware, and chemical processing applications where corrosion resistance and regulatory compliance are paramount. The fully threaded design maximizes engagement in tapped holes, preventing loosening in high-vibration settings.

Specification Summary & Compliance

This socket head cap screw features precision Class 2A thread fit with UNC coarse threads (6-32 size) and dimensional tolerances including head diameter tolerance of -0.005" to 0.005". Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory adherence for industrial applications worldwide.

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