Includes 5 feed screws, hex key 3 set screws. For self-feed bits up to 2-9/16".
Two cutter design for maximum drilling efficiency and hole completion. Aggressive self-feed spur for faster drilling, 7/16" hex shank, shank flats for better retention.
Feed screws has a coarse thread for fast boring. Spurs on the outside diameter cut holes clearly and accurately; 7/16" Quick Change impact shank for use in applications such as large diameter holes in wood for pipe, conduit. Includes: Each bit is packaged with one hex key and two feed screws.
Removable and replaceable feed screw, cutting edges can be resharpened; 7/16" hex shank has flat surfaces for secure chuck grip. Used by electricians and plumbers in applications such as large hole drilling in wood. Includes: (2) two feed screws with each bit.