This Chuck is 4-Jaw Self-Centering chuck utilizing the precision,simplicity and reliability of the engineering chuck.
Sides are machined so line can be accurately transferred around workpiece corners
Designed for pocket hole systems, these screws increase the strength of a pocket hole joint. Cut-thread pattern prevents splitting. Fine thread for the harder hard woods.
Designed for pocket hole systems, these screws increase the strength of a pocket hole joint. Cut-thread pattern prevents splitting. Coarse thread is for any combination of softwoods and composites, and some hardwoods.
The COARSE-THREAD screw has a larger thread diameter and provides greater holding power when driving a screw into soft material such as plywood, particle board, MDF, melamine, and pine.