S-91223A449 M8 x 12 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00096 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00096 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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

Part No.
Part No. 0031FA00096
Equivalent to mcmaster :
91223A449

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 13 mm
Head Diameter Tolerance -0.127mm to 0.127mm
Head Height 2.7 mm
Socket Head Profile Ultra-Low

Dimensions

Length 12 mm
Shoulder Diameter 8.5 mm
Shoulder Length 2.7 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5 mm

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 environments including marine and chemical applications
  • Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
  • Precise thread engagement with Class 6g thread fit ensuring secure fastening and vibration resistance in industrial assemblies
  • Space-saving installation thanks to the ultra-low socket head profile, perfect for compact designs and restricted clearance areas
  • Easy tool compatibility with standard 5 mm hex drive, enabling quick installation and removal with common tools
  • Full regulatory compliance meeting RoHS 3 and REACH standards, ensuring safety and environmental responsibility in global supply chains
  • Versatile coarse threading (M8 x 1.25mm) providing faster assembly and reduced cross-threading risks in demanding applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this M8 socket head cap screw delivers critical reliability where failure is not an option. The 316 stainless steel material provides outstanding resistance to corrosion, pitting, and chemical exposure, making it ideal for marine equipment, food processing machinery, and chemical plants. Its ultra-low head profile and fully threaded design allow for compact assemblies and maximum grip length, solving common challenges in space-constrained applications. With a coarse thread pitch and Class 6g thread fit, installation is both efficient and precise, reducing assembly time while maintaining vibration resistance in high-stress environments. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures these metric socket head screws withstand extreme mechanical loads without compromising performance.

Specification Summary & Compliance

This socket head cap screw features precision M8 x 1.25mm coarse threading with Class 6g thread fit per metric standards, ensuring consistent performance and interchangeability. Manufacturing tolerances include head diameter tolerance of -0.127mm to 0.127mm for precise fitment. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components.

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