S-93791A413 8-32 x 5/8" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and black-oxide passivated finish, ideal for harsh industrial environments.
- Exceptional tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions.
- Precision Class 3A thread fit provides tight, secure connections with minimal risk of loosening or vibration failure.
- Coarse UNC threading allows for quick installation and easy alignment in a variety of materials.
- Hex drive design (3/32") offers superior torque transmission and reduced risk of cam-out during installation.
- 82° countersink angle enables a flush, professional finish when installed in tapered seats.
- Full compliance with ASME B18.3, RoHS 3, and REACH ensures product reliability and environmental safety.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 8-32 UNC flat head screws deliver exceptional performance where corrosion resistance and mechanical integrity are critical. The 18-8 stainless steel material, enhanced by a black-oxide passivated finish, provides robust protection against oxidation and chemical exposure, extending service life in machinery, electrical enclosures, and outdoor equipment. The Class 3A thread fit and coarse thread spacing ensure rapid, secure fastening in metals and plastics, reducing assembly time while maintaining high clamp load. With a hex drive for efficient torque application and a flat head profile for seamless integration, these screws are ideal for applications requiring a low-profile, vibration-resistant fastener that meets stringent industry standards.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit tolerances per UNC standards, with a thread size of 8-32 and coarse spacing. Manufacturing follows ASME B18.3 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for industrial use.
