S-93015A215 1/4"-20 x 1 1/2" 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
- Enhanced grip and torque application with knurled head texture for secure manual operation without tools
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable performance
- Quick installation and adjustment with low-profile round head and 1/4"-20 UNC coarse threads
- Precise thread engagement ensured by Class 2A thread fit for consistent fastening in industrial assemblies
- Extended tip design provides easier alignment and initial threading in partially threaded applications
- Environmental compliance with RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This low profile thumb screw in 18-8 stainless steel addresses common industrial challenges where frequent adjustments and corrosion resistance are critical. The knurled head offers excellent manual grip, reducing slippage and enabling quick assembly/disassembly in machinery, electronics, and fixtures without specialized tools. Its 1/4"-20 UNC coarse threads and Class 2A fit ensure reliable engagement in metals and plastics, while the partially threaded design with extended tip simplifies alignment in tight spaces. With high tensile strength and hardness, it withstands repeated use in demanding applications like panel fastening, access covers, and prototyping, providing long-term durability and maintenance efficiency.
Specification Summary & Compliance
This thumb screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, ensuring consistent performance in inch-system assemblies. It is manufactured from 18-8 stainless steel with a low-profile round head, 1-1/2" length, and partial threading. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming its suitability for environmentally regulated and industrial applications.
