S-90077A249 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Dual-drive versatility with Phillips/Slotted head accommodates various installation tools and operator preferences
• Excellent thread-forming capability creates strong, permanent threads in sheet metal up to 0.025" thickness without pre-tapping
• Full-length threading ensures maximum grip and holding power across the entire fastener length
• Optimized pan head design provides reliable clamping force with standard rounded profile for consistent performance
• Precision-engineered dimensions with No. 10-12 thread specification ensures perfect fit and reliable fastening in sheet metal applications
• Environmental compliance meets RoHS 3 and REACH standards for safe, sustainable manufacturing practices

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional performance in sheet metal fastening applications, where vibration resistance and permanent thread formation are critical. The thread forming design (Type A/AB) displaces material rather than removing it, creating stronger threads that won't strip under stress. The combination of Phillips/Slotted drive offers installation flexibility for production lines or field maintenance, while the fully threaded configuration ensures maximum engagement in thin materials. The zinc plating provides essential corrosion protection in environments where moisture or chemical exposure could compromise fastener integrity, making these sheet metal screws ideal for HVAC systems, electrical enclosures, automotive components, and industrial equipment assemblies.

Specification Summary & Compliance

This No. 10-12 x 1-1/4" tapping screw features precision right-hand threads with 12 threads per inch and 0.19" thread diameter, manufactured to standard thread forming specifications. The screw is designed for use with No. 21 drill bits (0.159" diameter) in materials up to 0.025" thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.