S-97424A560 1/4"-80 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 grip with knurled black Acetal plastic head for reliable operation without tools
- Exceptional corrosion resistance from 18-8 stainless steel construction for long service life in demanding environments
- Precision ultra-fine threading with Class 3A fit ensures secure fastening in applications requiring minimal thread play
- Versatile ball tip design facilitates easier insertion and reduces potential damage to mating surfaces
- High tensile strength rating of 60,000 psi provides reliable performance under mechanical stress
- Full threading along 3/4" length offers maximum adjustment flexibility and engagement depth
- Compliance with environmental regulations including RoHS 3 and REACH for use in regulated industries
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw delivers critical performance advantages for precision assembly applications where frequent adjustments are required. The combination of ultra-fine 1/4"-80 UNS threads with Class 3A fit provides exceptional dimensional accuracy for applications requiring minimal backlash and precise positioning. The knurled Acetal plastic head offers superior tactile grip even with gloved hands, while the ball tip design prevents cross-threading and reduces marring of delicate components. Ideal for electronic enclosures, optical equipment, medical devices, and instrumentation where corrosion resistance, precise thread engagement, and tool-free operation are essential engineering requirements.
Specification Summary & Compliance
This thumb screw features precision 1/4"-80 UNS ultra-fine threads with Class 3A thread fit for exacting dimensional requirements. The 18-8 stainless steel construction provides 60,000 psi tensile strength with full threading along the 3/4" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict material restrictions.
