S-99607A253 5/16"-24 x 3/4" Thumb Screws
Thumb Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced grip and tool-free operation with knurled round head design for quick manual adjustments in tight spaces
- Superior corrosion resistance and durability thanks to 18-8 stainless steel construction with Rockwell B85 hardness
- High load-bearing capability with 80,000 psi tensile strength for demanding industrial applications
- Precise thread engagement through Class 2A UNF fine threads ensuring reliable fastening and vibration resistance
- Secure collar seating provided by flared collar design for stable positioning and reduced surface damage
- Full thread coverage along the 3/4" length for maximum adjustability and holding power
- Environmental and regulatory compliance meeting RoHS 3 and REACH standards for safe use across industries
Professional Applications & Engineering Value
This 5/16"-24 UNF thumb screw delivers exceptional performance in industrial settings where frequent adjustments and reliable fastening are critical. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it ideal for harsh environments like outdoor equipment, marine hardware, and food processing machinery. The knurled head ensures a secure grip even with oily hands or gloves, reducing installation time and eliminating the need for tools. With its fully threaded design and Class 2A fine threads, it provides consistent clamping force and minimizes loosening under vibration, solving common assembly challenges in electronics enclosures, machinery guards, and automotive components.
Specification Summary & Compliance
This thumb screw features a 5/16"-24 UNF thread with Class 2A fit for precise dimensional accuracy and smooth engagement. The fully threaded 3/4" length and right-hand thread direction ensure standard compatibility. Manufacturing adheres to strict quality controls, with compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances for safe industrial and commercial use.
