S-90096A330 12-24 x 1" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior material protection with zinc-plated steel construction offering excellent corrosion resistance for extended service life in demanding environments.
• High-strength thread cutting performance through Type F tapping design ensures secure, permanent fastening in aluminum, brass, cast iron, and sheet metal without pre-tapped holes.
• Effortless installation and removal with external hex drive and flanged head design providing superior torque transmission and eliminating the need for separate washers.
• Optimized for industrial efficiency with coarse UNC threads and full threading along the 1" length enabling faster driving and maximum thread engagement.
• Precision compatibility with standard No. 11 drill bits (0.191" diameter) ensures perfect hole preparation and reduces installation errors.
• Enhanced assembly reliability through compliance with ASME B18.6.3 standards, guaranteeing consistent dimensional accuracy and mechanical performance.
• Environmentally responsible manufacturing with RoHS 3 compliance, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

These 12-24 UNC thread cutting screws deliver exceptional engineering value by solving critical fastening challenges in metalworking applications. The zinc-plated steel construction provides durable corrosion protection while the Type F thread cutting design creates precise mating threads in ductile materials like aluminum, brass, and cast iron without tap prepping. The flanged hex head combines wrenching convenience with distributed bearing pressure, preventing surface damage in thin sheet metal assemblies. With coarse threads and full-length threading, these screws achieve faster installation and superior pull-out resistance, making them ideal for high-volume production environments where reliability and speed are paramount. The combination of external hex drive and blunt tip ensures straightforward alignment and driving efficiency.

Specification Summary & Compliance

This tapping screw features precision UNC 12-24 coarse threads with standard Class 2A tolerances and full threading along its 1" length. Manufactured to meet ASME B18.6.3 specifications SAE J933, ensuring dimensional consistency and mechanical reliability. The product is RoHS 3 (2015/863/EU) Compliant for environmental safety and suitable for use with No. 11 drill bits (0.191" diameter) as specified for proper hole preparation in various metal substrates.