S-91882A229 6-32 x 9/16" Thumb Screws

Key Features & Benefits at a Glance

• Superior manual operation with knurled round head design for maximum grip and slip resistance
• Enhanced durability and corrosion resistance thanks to black-oxide steel construction
• High mechanical strength with 70,000 psi tensile strength and Rockwell B84 hardness for demanding applications
• Precise thread engagement with Class 2A UNC coarse threads ensuring reliable fastening
• Quick installation and adjustment through fully threaded right-hand design
• Compliance with environmental regulations including RoHS 3 and REACH for global industrial use
• Optimized ergonomics with raised head profile for comfortable finger operation

Professional Applications & Engineering Value

This 6-32 UNC thumb screw delivers exceptional performance in industrial settings where frequent adjustments and tool-free operation are critical. The black-oxide steel construction provides superior corrosion resistance, extending service life in harsh environments. The knurled round head with raised profile ensures positive grip even with oily hands or gloves, reducing installation time and improving operator safety. With 70,000 psi tensile strength and Rockwell B84 hardness, these screws maintain integrity under vibration and load, making them ideal for machinery panels, electronic enclosures, and assembly jigs. The fully threaded coarse UNC pattern enables rapid engagement and disengagement, while the Class 2A thread fit guarantees consistent performance across production runs.

Specification Summary & Compliance

This thumb screw features 6-32 UNC coarse threads with Class 2A tolerance for precise fit, manufactured from black-oxide steel with dimensions of 9/16" length, 7/16" head diameter, and 3/8" collar diameter. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components.