S-91746A372 10-32 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual operation with a 3/4" diameter knurled head for superior grip without tools, even with gloves or in oily conditions
• Exceptional corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh industrial environments
• High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for dependable performance under heavy-duty use
• Precise and secure fastening guaranteed by the 10-32 UNF fine thread with a Class 2A fit, minimizing the risk of cross-threading
• Optimized low-profile design with a round head that saves space and reduces snagging in compact assemblies
• Versatile partial threading (11/16" thread length on a 3/4" screw) allows for secure engagement while simplifying alignment
• Guaranteed regulatory compliance with RoHS 3 and REACH standards, making it safe for use in regulated industries worldwide

Professional Applications & Engineering Value

This 10-32 UNF Thumb Screw is engineered to solve critical challenges in industrial maintenance, electronic enclosures, and machinery access panels. The 18-8 Stainless Steel construction provides excellent resistance to rust and chemical exposure, which is vital for equipment in manufacturing or outdoor settings. The knurled head texture offers a non-slip surface, enabling quick and secure hand-tightening where tool access is limited or frequent adjustments are needed. Its right-hand fine thread (UNF) and Class 2A thread fit ensure consistent, vibration-resistant connections, reducing downtime from loosening. The low-profile, round-head design is ideal for applications where a protruding fastener could cause interference or safety hazards, providing a reliable, user-friendly fastening solution for engineers and technicians.

Specification Summary & Compliance

This thumb screw adheres to UNF thread standards with a Class 2A thread fit for precise dimensional accuracy. Key specifications include a 10-32 thread size, 0.19" thread diameter, 11/16" thread length, and a total length of 3/4". It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83 and a tensile strength of 80,000 psi. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety regulations for hazardous substances.