Drill Bits

1/8" x 1/4"-28 Cobalt Threaded Shank Adapter Drill DR66508

M42 (8% Cobalt) - cobalt drills offer increased hardness, 1/4"-28 threaded shank provides a secure fit in the tool holder Toughness and better wear resistance compared to regular HSS Black oxide finish for increased wear resistance and added...

#40 x 1/4"-28 Cobalt Threaded Shank Adapter Drill DR66740

M42 (8% Cobalt) - cobalt drills offer increased hardness, 1/4"-28 threaded shank provides a secure fit in the tool holder Toughness and better wear resistance compared to regular HSS Black oxide finish for increased wear resistance and added...

11/32" x 1/4"-28 HSS Threaded Shank Adapter Drill DR66022

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

21/64" x 1/4"-28 HSS Threaded Shank Adapter Drill DR66021

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

9/32" x 1/4"-28 HSS Threaded Shank Adapter Drill DR66018

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

7/32" x 1/4"-28 HSS Threaded Shank Adapter Drill DR66014

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

#3 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66203

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

#6 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66206

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

#10 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66210

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

#11 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66211

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

#12 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66212

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...

3/16" x 1/4"-28 HSS Threaded Shank Adapter Drill DR66012

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and...