S-90000A303 Length 4 1/2" Wood Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for humid or chemically aggressive environments
• Enhanced driving torque and reduced cam-out thanks to the square drive design, ensuring secure installation
• Excellent holding power in wood and composites via the thread cutting (Type 17) tip, which taps its own mating thread
• Clean, flush finish with a standard flat head profile that sits neatly within the material surface
• Reliable partial threading for stronger clamping force on the shank section below the head
• Broad industrial material compatibility, effectively fastening wood and plastic-wood composites
• Global environmental regulation compliance, meeting RoHS 3 and REACH standards for safe usage

Professional Applications & Engineering Value

These 316 stainless steel wood screws are engineered to solve critical fastening challenges in demanding applications. The thread cutting design (Tapping Screw Type 17) with a pointed tip eliminates the need for pre-tapping in wood and plastic-wood composites, reducing assembly time and preventing material splitting. The square drive flat head provides high torque transmission, minimizing tool slippage and head stripping during installation. Manufactured from 316 stainless steel, these screws offer exceptional resistance to corrosion from moisture, chemicals, and salt spray, making them ideal for outdoor structures, marine environments, and industrial settings where durability is paramount. The partially threaded shank ensures that the unthreaded portion pulls materials tightly together, creating a robust, vibration-resistant joint.

Specification Summary & Compliance

This No. 12 screw has a thread diameter of 0.216" with approximately 11 threads per inch and a right-hand thread direction. It is partially threaded with a minimum thread length of 2.97" and an overall length of 4-1/2". The screw is designed for use with a 7/64" (0.109") drill bit. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for industrial use.