S-90033A320 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel construction, extending service life in demanding industrial environments
• Efficient thread forming capability creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Optimal flush installation with standard 82° countersink angle and flat head design for smooth surface finishing
• Enhanced driving efficiency through Phillips No. 2 drive system, reducing cam-out and tool slippage
• Maximum thread engagement with fully threaded design and 12 threads per inch for superior holding power
• Precision compatibility with No. 21 drill bit (0.159") for accurate hole preparation and secure fastening
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

These black-oxide steel tapping screws are engineered specifically for sheet metal applications where traditional fastening methods fall short. The thread forming design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs in high-volume manufacturing. The fully threaded configuration ensures maximum contact area with the material, providing exceptional pull-out resistance and vibration resistance in thin-gauge metals. The standard 82° countersink angle allows for flush mounting in panels and enclosures, creating clean, professional finishes while maintaining structural integrity. Ideal for HVAC systems, electrical enclosures, and metal fabrication projects, these Phillips flat head screws deliver reliable performance in applications requiring precision fastening up to 0.025" maximum drilling thickness.

Specification Summary & Compliance

This No. 10-12 x 1" tapping screw features precise dimensional specifications including 0.19" thread diameter, 12 threads per inch, and standard flat head profile. Manufactured as A/AB type thread forming screws with right-hand threading and pointed tip for easy starting. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Designed for use with No. 21 drill bit (0.159" diameter) and suitable for maximum drilling thickness of 0.025" in sheet metal applications.