S-91355A076 10-32 x 3/8" ASME B18.3, ASTM F835 Steel Flanged Button Head Hex-Drive Screws
Steel Flanged Button Head Hex-Drive 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
- Exceptional corrosion resistance with Black-Oxide coating, ideal for harsh industrial environments
- Superior thread engagement with Class 3A fit and UNF fine threads for vibration-resistant fastening
- High tensile strength (120,000 psi) and Rockwell C39 hardness for reliable performance under heavy loads
- Integrated flange design eliminates need for separate washers, simplifying installation
- Wide rounded button head provides enhanced bearing surface and professional appearance
- 1/8" hex drive ensures secure tool engagement and prevents stripping during installation
- Full threading along the 3/8" length maximizes grip strength in various material thicknesses
Professional Applications & Engineering Value
These Black-Oxide Alloy Steel Rounded Head Screws with 10-32 UNF Class 3A threading deliver critical performance advantages in demanding applications. The fine thread pitch provides superior resistance to vibration loosening in machinery, automotive assemblies, and electronic enclosures. The flange design distributes clamping force evenly, preventing surface damage while eliminating the cost and complexity of additional washers. With 120,000 psi tensile strength and Rockwell C39 hardness, these screws maintain integrity in high-stress environments. The Black-Oxide surface treatment offers reliable corrosion protection, making them suitable for industrial equipment, manufacturing fixtures, and outdoor applications where durability is paramount.
Specification Summary & Compliance
Manufactured to precise Class 3A thread tolerances with UNF fine thread specifications (10-32 size). Complies with ASME B18.3 standards where applicable per ASTM F835. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety. Features include right-hand threading, 0.406" flange diameter, and fully threaded 3/8" length for consistent performance across industrial applications.
