S-91746A720 10-32 x 3/4" Thumb Screws
Thumb 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 hand-tightening efficiency with deep knurled texture on the 3/4" diameter head for maximum grip without tools
- Exceptional corrosion resistance provided by 18-8 Stainless Steel construction, ideal for harsh industrial environments
- High mechanical reliability with 80,000 psi tensile strength and Rockwell B83 hardness for repeated use without deformation
- Precise thread engagement through Class 2A fit UNF fine threads ensuring vibration-resistant fastening in precision assemblies
- Optimized low-profile design with round head shape for applications with limited clearance while maintaining full functionality
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for use in regulated industries worldwide
- Versatile partial threading allowing both secure fastening and smooth sliding in adjustment applications
Professional Applications & Engineering Value
This 10-32 UNF thumb screw delivers critical engineering advantages where tool-free operation and space constraints intersect. The low-profile round head with aggressive knurled texture enables rapid installation and removal in confined spaces while the 18-8 Stainless Steel construction withstands corrosive environments that would degrade ordinary fasteners. The UNF fine thread configuration with Class 2A fit provides superior resistance to vibrational loosening in precision equipment, electronic enclosures, and optical mounting systems. The partial threading design offers dual functionality - secure fastening where engaged while allowing smooth adjustment along unthreaded sections, making it ideal for calibration devices, access panels, and frequently serviced industrial machinery.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance per UNF specifications, featuring 10-32 thread size with 0.19" diameter and 11/16" thread length. The low-profile round head measures 3/4" diameter with 3/16" height and knurled texture. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for global industrial applications.
