HSS Step Drill Bit Set - 3/5/6 Pcs Cone Hole Cutter Kit

Product Description

Specification:
Material: HSS 4241 Surface: Baking yellow Quantity: 3/5/6pcs
Size:

3/16-1/2''	3/16,1/4,5/16,3/8,7/16,1/2 (inch)	6.35mm (1/4??) shank
1/8-1/2''	1/8,5/32,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32,1/2 (inch)	6.35mm (1/4?? ) shank
1/4-3/4''	1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4 (inch)	9.53mm (3/8") shank
3/16-7/8''	3/16,1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4,13/16,7/8 (inch)	9.53mm (3/8") shank
1/4-1-3/8''	1/4,3/8,1/2,5/8,3/4,7/8,1,1-1/8,1-1/4,1-3/8 (inch)	12.7mm (1/2") shank

Features:
Unique ladder structure, round shank. Straight grooves. Two-flute design gives you faster and smoother cutting. For cooler running and can effectively extend the service life of the drill bit. Suitable for carbon steel plate, sheet iron, steel plate, insulation boards, wood. Cannot be used for stainless steel. Suitable for the workpiece 25?? or less.
Package Included:
3 x Step Drill Bits Or 5 x Step Drill Bits+1x Storage Case Or 6 x Step Drill Bits+1x Storage Case
More Details: