1. AND REDUCED IMPACT: Robust M2 high-speed construction ensures greater durability and is almost impossible to break compared to traditional drill bits. The unique 3-sided shank prevents chuck insertion and reduces impact
2. DOUBLE SLOT FOR MORE SPEED AND CONTROL: The double groove design provides more speed and control and is optimized for high speed cordless drills
3. SMOOTH AND CLEAN: Double cutting design ensures smoother cuts with even chip evacuation for cleaner drilling operations. Can be used with electric drills, cordless drills or heavy duty drills
4. Wear-resistant and anti-slip: The 118 degree tip increases wear , is easy to find and effectively reduces bit slip
5. Prevent slipping: Non-slip tip, no need to drill in the middle, the drill tip prevents the drill chuck from slipping. The drill diameter is etched into the slot for easy identification

Technical dataification:
Item Type: Step Drill Bit
Product material: high-speed steel
Working depth: approx. 41 mm/1.61 inches
50mm/1.97 inch
51mm/2.01in
78mm/3.07 inches
Shaft diameter: approx. 6.35mm/0.25 inch
Total length: approx. 66mm/2.6 inches
75mm/2.95 inches
79mm/3.11 inches
102mm/4.02 inches

Package list:
1 x Step Drill

A notice:
Apply oil before each use to extend life.