S-90200A255 10-32 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque application with 5/8" diameter knurled head texture for secure manual tightening without tools
• Superior corrosion resistance and durability through black-oxide steel construction in demanding industrial environments
• Reliable fastening strength with 70,000 psi tensile strength and Rockwell B84 hardness for heavy-duty applications
• Precise thread engagement with Class 2A thread fit and 10-32 UNF fine threads ensuring vibration-resistant connections
• Space-saving low-profile design with 3/16" head height for clearance-restricted assemblies
• Full threading versatility allowing adjustment along the entire 3/4" length for flexible positioning
• Compliance confidence meeting RoHS 3 and REACH environmental regulations for global supply chain integration

Professional Applications & Engineering Value

This black-oxide steel thumb screw delivers exceptional value in industrial applications where tool-less access and corrosion resistance are critical. The low-profile knurled head provides positive grip in oily conditions or when wearing gloves, eliminating slippage during frequent adjustments. Its 10-32 UNF fine threading maintains secure fastening in vibration-prone equipment, while the fully threaded 3/4" length offers installation flexibility across various material thicknesses. The combination of 70,000 psi tensile strength and Rockwell B84 hardness ensures reliable performance in machinery, electronic enclosures, and assembly jigs where repeated manual operation demands both durability and precision.

Specification Summary & Compliance

Manufactured to Class 2A thread fit tolerances with UNF thread standard and right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations. Features 0.19" thread diameter with fine thread spacing and fully threaded design along the 3/4" length.