S-91746A460 1/2"-13 x 1 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional manual grip provided by the fully knurled round head for secure tightening without tools
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Quick installation and adjustment with coarse 1/2"-13 UNC threading and right-hand thread direction
- Precise thread fit with Class 2A tolerance for consistent engagement and reduced cross-threading risk
- Low-profile head design allows use in tight spaces while maintaining easy hand operation
- Environmental compliance with RoHS 3 and REACH regulations for safe use across industries
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw delivers exceptional value in applications requiring frequent manual adjustments and reliable fastening. The knurled round head provides maximum grip even with oily hands or gloves, solving slippage issues common in industrial settings. With its 1/2"-13 UNC coarse threading and partial threading design, installation is rapid and secure, making it ideal for machinery guards, access panels, and equipment requiring regular maintenance. The low-profile head ensures compatibility with space-constrained assemblies while the Rockwell B83 hardness maintains thread integrity through repeated use. These thumb screws excel in manufacturing, electronics enclosures, and automotive applications where tool-free operation and corrosion resistance are critical.
Specification Summary & Compliance
This thumb screw features 1/2"-13 UNC coarse threading with Class 2A thread fit for precision engagement. The partially threaded design extends 1-7/16" with an overall length of 1-1/2". Manufactured from 18-8 stainless steel with Rockwell B83 hardness and 80,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
