S-94625A114 Length 1 1/2" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction for longer service life in demanding environments
- Superior tamper resistance with T15 Torx drive for improved security in public or high-traffic applications
- Efficient thread-forming installation creates strong, permanent threads in steel and sheet metal without pre-tapping
- Quick penetration and reduced installation time with integrated drilling tip that eliminates pilot holes
- Clean, flush finishing with 82° countersink angle and flat head design for smooth surface applications
- Maximum material compatibility capable of drilling through up to 0.098" thickness in steel and sheet metal
- Full-thread engagement along the entire 1-1/2" length for superior holding power and vibration resistance
Professional Applications & Engineering Value
These No. 8-18 zinc-plated steel tapping screws deliver exceptional value in industrial fastening applications where reliability and security are paramount. The thread-forming technology eliminates the need for separate tapping operations, creating strong, permanent threads in steel and sheet metal substrates while reducing installation time and labor costs. The tamper-resistant T15 Torx drive provides enhanced security against unauthorized removal in public infrastructure, machinery guards, and access panels. With their integrated drilling tip and 82° countersink angle, these screws penetrate materials efficiently while ensuring a flush finish that minimizes snagging hazards and maintains aesthetic integrity in visible applications.
Specification Summary & Compliance
These No. 8-18 x 1-1/2" tapping screws feature precise right-hand threads with 18 TPI thread pitch and 0.164" thread diameter. The flat head design with 0.312" head diameter and standard profile ensures proper seating in countersunk applications. Manufactured to industry standards for thread forming screws with fully threaded shank and No. 2 drill tip type. The zinc-plated steel construction provides corrosion protection while complying with industrial fastener specifications for material quality and performance in steel and sheet metal fastening applications.
