S-92210A424 3/8"-24 x 1 3/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Stainless Steel Hex Drive Flat Head Screws

0312FA00186 Stainless Steel Hex Drive Flat Head Screws
0312FA00186 Stainless Steel Hex Drive Flat Head Screws

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Part No.
Part No. 0312FA00186
Equivalent to mcmaster :
92210A424

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.781"
Head Height 0.234"
Flat Head Profile Standard

Dimensions

Length 1 3/4"

Thread Parameters

Thread Type UNF
Thread Size 3/8"-24
Thread Diameter 0.375"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 7/32"
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 and passivated finish, ideal for harsh industrial environments.
  • High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads.
  • Precise Class 3A thread fit provides excellent engagement and vibration resistance in fine-thread applications.
  • Hex drive design (7/32") allows for easy installation and high torque application without slippage.
  • 82° countersink angle and flat head enables a flush, secure fit in tapered holes for a smooth surface finish.
  • Full threading and UNF fine thread offers maximum grip and uniform stress distribution along the entire length.
  • Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global use.

Professional Applications & Engineering Value

This 3/8"-24 UNF flat head screw is engineered to address critical fastening challenges in precision machinery, aerospace, and automotive assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to rust and chemical exposure, reducing maintenance costs in corrosive settings. Its Class 3A thread fit and fine UNF threading ensure tight tolerances and minimal backlash, which is vital for applications requiring vibration resistance and repeated adjustments. The hex drive and flat head design facilitate quick, secure installation in confined spaces, while the 82° countersink angle allows for seamless integration into tapered holes, preventing protrusions and enhancing structural integrity. Ideal for high-stress environments, this screw delivers reliable performance in equipment where precision fasteners are non-negotiable.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF thread with Class 3A precision fit, ensuring tight dimensional accuracy and smooth assembly. It is manufactured in accordance with ASME B18.3 standards for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use worldwide.

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