S-90628A542 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated drilling tip that penetrates up to 0.21" thick steel and sheet metal
• Superior corrosion protection through specially coated steel construction for extended service life in demanding environments
• Reliable weather and liquid sealing with integrated steel/rubber washer that prevents leakage at fastening points
• Maximum holding power and vibration resistance achieved through fully threaded design and thread forming tapping method
• Quick installation and high torque capability with external hex drive and standard 3/8" head width for efficient assembly
• Consistent performance in steel applications with BSD screw type specifically engineered for metal fastening
• Industry compliance assurance meeting RoHS 3 environmental standards for safe industrial use

Professional Applications & Engineering Value

These 1/4"-14 hex washer head tapping screws deliver exceptional value in steel and sheet metal fabrication by eliminating costly pre-drilling operations. The corrosion-resistant coated steel construction ensures long-term reliability in harsh environments, while the thread forming design creates stronger, more durable threads in parent material without chip formation. The integrated steel/rubber washer provides critical sealing against moisture and contaminants, making these BSD tapping screws ideal for outdoor equipment, HVAC systems, and metal building applications where both structural integrity and environmental protection are paramount. The combination of drilling tip technology and fully threaded configuration ensures rapid installation and maximum pull-out resistance.

Specification Summary & Compliance

This 1/4"-14 thread forming screw features precision right-hand threads with 14 threads per inch and standard inch measurements. The fastener includes a No. 3 drill tip with 5/16" length capable of drilling through 0.21" maximum material thickness. Manufactured to BSD tapping screw standards with external hex drive (3/8" head width) and flat washer (0.563" OD) configuration. Fully compliant with RoHS 3 (2015/863/EU) environmental regulations for industrial safety and sustainability requirements.