S-98643A350 Length 1 5/8" Wood Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-lasting performance in humid or outdoor wood applications
• Enhanced torque transfer and reduced cam-out thanks to the square drive design, allowing for secure installation without tool slippage
• Self-tapping efficiency with thread cutting design and drilling tip, eliminating the need for pre-drilling in wood and speeding up assembly
• Secure anti-rotation locking provided by serrations under the flat head, preventing loosening under vibration in wood structures
• Flush, professional finish achieved with the 90° countersink angle and standard flat head profile, ideal for visible wood installations
• Optimized thread engagement with 15 TPI and 0.164" thread diameter, delivering strong holding power in various wood densities
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, ensuring safe use in commercial and residential projects

Professional Applications & Engineering Value

These 18-8 stainless steel wood screws are engineered to address common fastening challenges in wood construction and furniture assembly. The combination of a thread cutting tapping method and drilling tip eliminates time-consuming pre-drilling, reducing labor costs and installation errors. The square drive ensures maximum torque application without stripping, while the serrated locking under the flat head provides vibration resistance in dynamic environments like decking or machinery bases. With a 90° countersink angle, these screws sit flush for a clean, professional appearance, making them ideal for cabinetry, outdoor structures, and architectural woodwork where both durability and aesthetics are critical.

Specification Summary & Compliance

This No. 8 x 1-5/8" wood screw features a right-hand thread with approximately 15 threads per inch and a 0.164" thread diameter, designed for reliable performance in wood. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The screw's partially threaded design and standard flat head profile adhere to common industrial specifications for wood fastening applications.