S-90410A115 5/16"-18 x 3/4" Tapping Screws
Tapping 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
- Self-tapping design eliminates pre-tapping requirements, saving installation time and labor costs in brass, cast iron, and sheet metal
- 410 stainless steel construction provides excellent corrosion resistance for long-lasting performance in demanding industrial environments
- Coarse UNC thread profile ensures faster installation and superior holding power in various base materials
- Fully threaded shank delivers maximum thread engagement and consistent clamping force along the entire fastener length
- Phillips drive system allows for efficient installation with standard tools while reducing cam-out risks
- Pan head design offers a low-profile installation with good bearing surface for secure fastening
- Compliance with RoHS 3 and REACH regulations ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
These 5/16"-18 UNC thread cutting tapping screws are engineered specifically for challenging applications in brass, cast iron, and sheet metal assemblies. The thread cutting design with F drill bit compatibility creates precise mating threads without pre-tapping, eliminating secondary operations and reducing assembly costs. Manufactured from 410 stainless steel, these fasteners maintain structural integrity in corrosive environments while the coarse thread spacing provides rapid installation and exceptional pull-out resistance. The fully threaded configuration ensures uniform stress distribution, making them ideal for vibration-prone applications where consistent clamping force is critical for long-term joint integrity.
Specification Summary & Compliance
These industrial fasteners feature 5/16"-18 UNC coarse threads with standard Class 2A tolerances, ensuring precise fit and reliable performance. The thread cutting Type F design is optimized for use with F drill bits (0.257" diameter) in various metallic substrates. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming their suitability for global industrial applications requiring strict chemical substance control.
