Wolfride 6Pcs 1/4-Inch Hex Shank Combination Drill and Tap Bit Set Metal Deburr Countersink Drill Bit 1/8 inch-3/8 inch-Fast Shipping

Description

Combination drill and tap bits are made of HSS 4341, high hardness, high wear resistance.

Suitable for fast drilling and tapping machining.

Suitable for wood, aluminum, iron and other materials with low hardness.

Better to be used in tapping machine rather than hand electric drill.

1/4 inch hex shank, 6 sizes in one set.