6Pcs HSS Titanium Coated Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool & Aluminum Case

Material: High Speed Steel 4241 (HSS)
Finish: Titanium
Shank: Triangle shank 1/4" or 3/8''

Size:
6 setps Step Drill: 3/16-1/2" (3/16, 1/4, 5/16, 3/8, 7/16, 1/2)
9 setps Step Drill: 1/4-3/4" (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4)
10 setps Step Drill: 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)
12 setps Step Drill: 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)
13 setps Step Drill: 1/8-1/2" (1/8, 15/32, 7/16, 15/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2)
Includes:
1pc 6 Setps Step Drill Bit
1pc 9 Setps Step Drill Bit
1pc 10 Setps Step Drill Bit
1pc 12 Setps Step Drill Bit
1pc 13 Setps Step Drill Bit
1pc Hand Drill

Working Material:
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.
 
Features:
Made from high quality steel.
With the Titanium coated to reduce friction and heat.
The flute design provides faster, smoother and cleaner cuts.