9x1-3/8" Coated Torx-Drive Structural Wood Screws 50-Count LumberLok 9 Gauge to 12mm x 1.375-in Coated Torx-Drive Structural Wood Screws Self-drilling screw that can be used with a number of connectors and also for wood-to-wood applications The screws feature a T20 Torx head with integral washer and gimlet point for ease of installation The twin-lead threads drive in twice as fast as single-lead threads significantly reducing installation time USP head stamp identifies the screw length for easy inspection and gold coat polymer finish