Grizzly T31990 - 33 Pc. HSS/Cobalt Silver & Deming Drill Bit Set W/ Aluminum Case Mining / Tunneling Operations Precision-ground cast-iron table and wings

Precision-ground cast-iron table and wings

The design of this machine permits sanding

Single Phase Number of Inch Threads 34

Reversible AC Rectified - 1/2" x 200'

Grizzly T31990 - 33 Pc. HSS/Cobalt Silver & Deming Drill Bit Set W/ Aluminum Case Mining / Tunneling Operations Precision-ground cast-iron table and wingsT31990 33 Piece HSS Cobalt Silver & Deming Drill Bit Set W Aluminum Case Silver and Deming drill bits are large size drill bits with reduced shanks. Youll want the 33 piece T31990 HSS Cobalt Silver & Deming Drill Bit Set for when the hole you need to drill is larger than the diameter of the chuck capacity of your drill. These bits are made with 5% cobalt and can be used at much higher speeds than HSS drill bits. These stepped drill bit shanks fit 1 2"