S-91746A912 5/16"-18 x 1 1/2" Thumb Screws
Thumb Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional grip and torque application thanks to the fully knurled round head design for hand-tightening without tools
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable, heavy-duty fastening
- Quick and easy installation with coarse UNC threading and Class 2A fit, ensuring smooth engagement and reduced assembly time
- Versatile fastening solution with fully threaded 1-1/2" length and right-hand thread for broad application compatibility
- Enhanced operational safety with dual slotted drive option, providing backup tool engagement when needed
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This 5/16"-18 UNC thumb screw in 18-8 stainless steel addresses critical industrial challenges where frequent adjustments and reliable clamping are essential. The knurled round head provides maximum hand grip, eliminating the need for tools in applications requiring quick access or regular maintenance—such as panel fastening, machinery guards, and electronic enclosures. Its coarse threading and Class 2A thread fit ensure rapid installation and vibration resistance, reducing downtime in production environments. With full threading along the 1-1/2" length, it offers consistent holding power across varied material thicknesses, making it a versatile choice for OEM assemblies, maintenance repairs, and equipment manufacturing where durability and corrosion resistance are paramount.
Specification Summary & Compliance
This thumb screw features precise 5/16"-18 UNC coarse threads with Class 2A thread fit for standard tolerance and compatibility. Manufactured from 18-8 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of restricted hazardous substances. The fastener adheres to common industrial threading standards, providing reliable performance in applications requiring right-hand thread direction and slotted drive options.
