S-92220A262 1/2"-13 x 1 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Alloy Steel Low-Profile Socket Head Screws

0027FA00143 Alloy Steel Low-Profile Socket Head Screws
0027FA00143 Alloy Steel Low-Profile Socket Head Screws

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Part No.
Part No. 0027FA00143
Equivalent to mcmaster :
92220A262

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/4"
Head Height 1/4"
Socket Head Profile Low

Dimensions

Length 1 1/4"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Thread Diameter 0.5"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/4"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C39
Tensile Strength 140000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASTM A574
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional tensile strength of 140,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure
  • Black-oxide coating on alloy steel provides superior corrosion resistance and enhanced durability in demanding industrial environments
  • Class 3A thread fit delivers precise, vibration-resistant connections for improved assembly security and reduced maintenance needs
  • Low-profile socket head design allows installation in tight spaces while maintaining full 1/4" hex drive engagement for secure torque application
  • Rockwell C39 hardness rating ensures excellent wear resistance and long service life under repeated use conditions
  • Full threading along 1-1/4" length provides maximum grip and adjustment flexibility in various material thicknesses
  • Compliance with ASTM A574 guarantees consistent quality and performance meeting rigorous industrial standards

Professional Applications & Engineering Value

These low profile socket head cap screws solve critical space constraints in machinery assembly while maintaining high clamping force. The black-oxide alloy steel construction withstands harsh operating conditions where corrosion resistance is essential. The 1/2"-13 UNC coarse thread configuration ensures rapid installation and superior holding power in metals and engineered materials. Engineers specify these Class 3A thread fit fasteners for precision equipment, automotive systems, and heavy machinery where vibration resistance and reliable performance are paramount. The combination of 140,000 psi tensile strength and Rockwell C39 hardness makes these screws ideal for permanent installations requiring minimal maintenance and maximum service life.

Specification Summary & Compliance

This socket head cap screw features precision Class 3A thread fit with 1/2"-13 UNC coarse thread specification and right-hand thread direction. Manufacturing complies with ASTM A574 standards for alloy steel socket head cap screws. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety. Dimensions include 1-1/4" length, 3/4" head diameter, and 1/4" head height with low profile configuration.

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