S-92210A148 6-32 x 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Stainless Steel Hex Drive Flat Head Screws

0312FA00056 Stainless Steel Hex Drive Flat Head Screws
0312FA00056 Stainless Steel Hex Drive Flat Head Screws

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Part No.
Part No. 0312FA00056
Equivalent to mcmaster :
92210A148

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.307"
Head Height 0.097"
Flat Head Profile Standard

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/64"
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 70000 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 construction and passivated finish, ideal for harsh industrial environments.
  • Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term fastening.
  • Precise, secure fit with Class 3A thread fit and UNC coarse spacing, reducing the risk of cross-threading and ensuring vibration resistance.
  • Efficient installation and removal using a 5/64" hex drive, providing a positive grip and reducing tool slippage.
  • Flush mounting capability with a standard flat head and 82° countersink angle for a smooth, unobtrusive finish in assembled products.
  • Full threading along the 1/2" length ensures maximum grip and holding power across the entire fastener engagement.
  • Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing quality and environmental safety.

Professional Applications & Engineering Value

This 6-32 x 1/2" flat head hex drive screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion-induced failure. Constructed from 18-8 stainless steel with a passivated finish, it provides excellent resistance to oxidation and chemical exposure, making it suitable for applications in electronics enclosures, machinery, and outdoor equipment. The UNC coarse thread spacing and Class 3A fit ensure rapid installation and a secure hold, even in materials prone to stripping. The hex drive design allows for high torque application, minimizing cam-out and improving assembly efficiency. These screws are ideal for industrial applications requiring a flush surface finish and dependable performance under stress.

Specification Summary & Compliance

This screw features precise dimensional accuracy with a Class 3A thread fit and UNC coarse thread spacing, manufactured in accordance with ASME B18.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.

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