Greenlee 38507 Round Shank with Three Flat Arbor for 9/16 to 1-3/16-Inch Hole Saws Accessories Heavy duty bar stock provides

Heavy duty bar stock provides maximum leverage for moving rocks

use with JET’s 1/2-Inch drive Mag Wheel Power Sockets

8 Features a dual-flute: two cutting edges share the load resulting in faster drill times with less force

20 seconds Ultimate power in reverse maximizes removal of stubborn rusted nuts Super strong composite body Incredibly lightweight – only 4

The oil displacement per stroke is 0

Greenlee 38507 Round Shank with Three Flat Arbor for 9/16 to 1-3/16-Inch Hole Saws Accessories Heavy duty bar stock providesHigh speed steel (Pilot drill bit) material; 9 16 inch Min. Hole saw size; 1 3 16 inch Max. Hole saw size; 1 4 inch Shank size; Yes supplied with pilot Drill; round with 3 flat shank shape; chuck size 1 4 inch From the Manufacturer The best arbor in the industry ensures a solid connection without any gaps or wobbling. Arbors include replaceable high speed pilot drill. Pilot drills have unique split point tip design. Use with Greenlee bimetal hole