This 2-1/2" coarse thread, #8 square drive washer head screw works well in 1-1/2" thick, hardwood material such as oak, maple, hickory, cherry and walnut. The deep recess, washer head of this screw provides excellent driver engagement and is popular in framing applications involving hardwoods.
Designed for pocket-hole systems, pocket-hole screws increase the strength of a pocket-hole joint. Cut-thread pattern prevents splitting. Coarse thread is for any combination of softwoods, plywood, and composites, and fine is for hardwoods.
The screw features a type 17 auger tip that self-taps its' own hole, eliminating the need to predrill in even the hardest materials. Our screws zinc plated finish and a dry-lubricant coating that eases driving torque and provides greater rust resistance.