Nimomo Step Drill Bit HSS Step Drill Bit Step Drill Bit HSS Spiral Groove Pagoda Hole Reamer Hex Shank Tool for Metal Black(4-22mm)

• DURABLE AND REDUCE SHOCK: Rugged M2 high speed construction bring extra durability, nearly impossible to snap compared to traditional drills, unique 3 sided shank prevents insertion of drill chucks and reduces shock
• DUAL GROOVE FOR GREATER SPEED AND CONTROL: Dual groove design provides greater speed and control and is optimized for high speed operating cordless drills
• SMOOTH AND CLEAN: Dual flute design provides smoother cuts with smooth chip evacuation for cleaner drilling operations; can be used with power drills, cordless drills or high impact drill presses
• WEAR RESISTANT AND REDUCE SLIPPAGE: The 118 degree point nib increases wear resistance, easy to locate, and effectively reduces bit slippage
• PREVENT FROM SLIPPING: Non slip tip, no need for center punching, the drill tip prevents the drill chuck from slipping. Drill diameter etched into groove for easy identification

Specification: Item Type: Step Drill Bit Product Material: High speed steel Working Depth: Approx. 41mm / 1.61in 50mm / 1.97in 51mm / 2.01in 78mm / 3.07in Shank Diameter: Approx. 6.35mm / 0.25in Overall Length: Approx. 66mm / 2.6in 75mm / 2.95in 79mm / 3.11in 102mm / 4.02in Package List:1 x Step Drill Bit Note:Apply oil before each use to prolong life.