S-95639A449 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh industrial environments
• Excellent thread-forming capability creates strong, permanent threads in sheet metal without pre-tapping requirements
• Optimized Phillips drive design (No. 3 size) ensures secure tool engagement and reduces cam-out during installation
• Professional oval head profile with 82° countersink angle provides flush finishing and enhanced aesthetic appeal
• Precision dimensional control with 0.216" thread diameter and 11 threads per inch for consistent, reliable fastening
• Full 1-1/2" threading delivers maximum grip length and superior holding power in sheet metal applications
• Regulatory compliance assurance meets RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

These 316 stainless steel tapping screws are engineered specifically for demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology (A/AB type) eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger, more reliable threads in base materials. The oval head design with standard profile ensures a clean, finished appearance while the 82° countersink angle matches industry-standard tooling. With compatibility for 3/16" drill bits and maximum drilling thickness of 0.025", these Phillips drive screws provide exceptional value in metal fabrication, HVAC systems, electrical enclosures, and industrial equipment assembly where vibration resistance and long-term performance are critical.

Specification Summary & Compliance

Manufactured to precise inch system specifications with 0.216" thread diameter and 11 threads per inch for consistent performance. Features standard Class 2A thread tolerances and right-hand threading direction. The thread forming tapping method (Type A/AB) ensures reliable fastening in sheet metal substrates. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and industrial safety standards. The pointed tip design facilitates easy starting and precise alignment during installation.