Highcool [Pack of 100] #14 4" Wood Structural Lag Screws, Bronze /Star Drive Wood Screw, Modified Truss Washer, Star Drive Bit Included.

【DIMENSIONS】 Thread Diameter 0.171" Diameter 0.55" Length 4" Use with T30 Star Bit. 【】 These wood screws are made of -alloy steel, offering strength and durability, They are capable of handling significant load and pressure without bending, rusting, or breaking, making them suitable for various applications. These screws passed the 1200 Hour Salt Test without failures. They remain smooth and fully functional after prolonged exposure to the ; They can withstand and resist the rusting effects of sun and moisture. 【KNURL THREAD SELF-TAPPING】 The knurled shank greatly reduces needs, and the deep, threads enable insertion into wood without harm. The extra tip makes screwing effortless, minimizing the necessity for pre- and your time and . MODIFIED TRUSS WASHER STAR DRIVE: The modified truss washer design of our structural lag screw ensures flush and neat installation, enhancing the overall appearance of your woodworking projects. Featuring T30 star drive style, these wood screws provide safe and efficient process without slipping. 【APPLICATION】 These screws can be broadly for residential, , and industrial purposes such as deck , log and timber framing.