S-93005A555 3/8"-16 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
- Superior hand-tightening capability with four-arm head design providing excellent grip and torque application without tools
- Exceptional durability and corrosion resistance thanks to black-oxide steel construction with Rockwell C40 hardness
- Maximum load-bearing capacity with 180,000 psi tensile strength for heavy-duty industrial applications
- Reliable thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening
- Versatile installation options with extended tip design facilitating easier alignment and insertion
- Complete thread coverage with fully threaded 1 5/16" length for consistent holding power along entire fastener
- Environmental compliance assurance meeting RoHS 3 and REACH standards for regulated industries
Professional Applications & Engineering Value
This black-oxide steel thumb screw delivers exceptional engineering value across industrial applications where frequent adjustments and reliable fastening are critical. The four-arm head design enables quick hand-tightening operations in confined spaces, eliminating tool dependency while the extended tip facilitates precise alignment in assembly processes. Manufactured from high-strength steel with Rockwell C40 hardness, this fastener withstands repeated use in demanding environments without compromising performance. The 3/8"-16 UNC coarse threading provides superior resistance to vibration loosening while the fully threaded construction ensures consistent clamping force distribution. Ideal for machinery access panels, electronic enclosures, and industrial equipment requiring secure yet adjustable fastening solutions.
Specification Summary & Compliance
This thumb screw features precision Class 2A thread fit with UNC (Unified Coarse) thread standard and 3/8"-16 thread size. Manufacturing specifications include 1 1/2" overall length, 1 5/16" thread length, and 0.375" thread diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications with strict material restrictions.
