Description:
--5pcs/pcs High Speed Steel HSS High Hardness Step Drill Bit Metric Cone Drill Bit Set
- Titanium coated to reduce friction and heat.
- No need to use center punch and not easy to break compared to regular twist drills.
- Automatically deburring, chamfering, expansion of punched holes, and drill clean holes.
- Tools for Use: Pistol Drill, Bench Drill.
- - Recommended drill speed is 250-400 rpm.
- Suitable for drilling holes in a variety of materials, including thin metal, steel aluminum, copper, wood, plastic, fiberglass, brass, PVC and more.
Specifications:
- Material: High Speed Steel
- Drill Size:
- (3/16, 1/4, 5/16, 3/8, 7/16, 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 / 2mm)
- (1 / 4,5 / 16,3 / 8,7 / 16,1 / 2,9 / 16,5 / 8,11 / 16,3 / 4)
- (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8)
- (1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8)
Package Includes:
5pcs/set step drill bits