S-91830A203 6-32 x 1/2" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced grip and torque application with knurled round head design for secure manual operation without tools
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable load-bearing performance
- Precise thread engagement with Class 2A UNC coarse threads ensuring consistent fastening and vibration resistance
- Maximum holding power through fully threaded design providing full-length engagement with mating components
- Quick installation and removal with right-hand threading and raised thumb screw profile for efficient manual operation
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This 6-32 UNC thumb screw delivers critical engineering advantages in applications requiring frequent access and adjustment. The 18-8 stainless steel construction provides excellent corrosion resistance for electronics enclosures, medical devices, and outdoor equipment where moisture exposure is common. The knurled head texture and raised profile design enable secure grip even with gloved hands, eliminating slippage during torque application. With fully threaded construction and coarse UNC threading, these screws maintain consistent clamping force in vibration-prone assemblies while allowing rapid installation without specialized tools. The combination of 80,000 psi tensile strength and Class 2A thread fit ensures reliable performance in industrial controls, machinery guards, and access panels requiring repeated cycling.
Specification Summary & Compliance
Manufactured to precise inch system dimensions including 1/2" length and 6-32 UNC thread with Class 2A fit for consistent interchangeability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety. Thread specifications include right-hand direction, coarse spacing, and 0.138" diameter for standardized compatibility across industrial applications.
