S-92703A301 8-32 x 1/4" ASME B18.3 Stainless Steel Torx Flat Head Screws

Stainless Steel Torx Flat Head Screws

0340FA00039 Stainless Steel Torx Flat Head Screws
0340FA00039 Stainless Steel Torx Flat Head Screws

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Part No.
Part No. 0340FA00039
Equivalent to mcmaster :
92703A301

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.312"
Head Height 0.1"
Flat Head Profile Standard

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Torx Plus
Drive Size IP15, T15
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 60000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
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 18-8 Stainless Steel and passivated finish, ideal for harsh environments
  • Enhanced torque transmission via Torx Plus IP15 drive, reducing cam-out and tool wear
  • High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for demanding loads
  • Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening
  • Flush, low-profile installation thanks to the standard flat head with 82° countersink angle
  • Full threading for maximum grip across the entire 1/4" length, distributing stress evenly
  • Compliance with industry standards including ASME B18.3, RoHS 3, and REACH for quality assurance

Professional Applications & Engineering Value

Engineered for precision and durability, these 8-32 UNC flat head screws address common industrial challenges such as vibration loosening and corrosion. The 18-8 Stainless Steel construction, combined with a passivated finish, provides excellent resistance to rust and chemicals, making them suitable for marine, automotive, and electronics assemblies. The Torx Plus IP15 drive ensures efficient torque transfer, minimizing slippage in high-torque applications. With a coarse thread and Class 2A fit, these screws offer quick installation and reliable performance in materials where fine threads may strip, enhancing productivity and reducing maintenance in industrial fastening systems.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading with a right-hand direction, ensuring compatibility with standard components. Dimensions include a 0.312" head diameter, 0.1" head height, and 1/4" length, fully threaded for consistent holding power. It complies with ASME B18.3 specifications for dimensional accuracy, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.

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