1/4-20 x 1 1/2 Phillips Flat Machine Screw Fully Threaded Black Oxide WFB and the fillister head sits

and the fillister head sits flush with the surface of the material being fastened

or home projects

while the non-serrated flange eliminates the need for a washer

3/8" x 3 1/2" Hex Lag Screw Galvanized Gimlet Point is a heavy-duty fastener designed for use in wood construction projects

They are designed for use in treated lumber and have a 1

1/4-20 x 1 1/2 Phillips Flat Machine Screw Fully Threaded Black Oxide WFB and the fillister head sitsThe 1 4 20 x 1 1 2 Phillips Flat Machine Screw Fully Threaded Black Oxide is a versatile and durable fastener designed for a wide range of applications. Made from high quality steel and coated with a black oxide finish for corrosion resistance, this screw ensures a secure and long lasting hold. Its 1 4 20 thread size and 1 1 2 inch length provide ample strength and grip, while the Phillips flat head allows for easy installation and removal using a