LUCKDANO HSS Step Drill Bit with Helical Groove, High Speed Steel Reamer for Black Metal (10 steps (4-22 mm)).

[Anti-slip Tip] No need for center punching; the tip prevents the drill chuck from slipping. The engraved drill diameter makes identification easy and is suitable for various drills and presses. [High-Speed Durable Construction] The robust M2 material ensures extra durability, preventing breakage compared to traditional drills. The unique 3-sided shank reduces shock during use. [Wear-Resistant Point Nib] The 118-degree point increases wear resistance and reduces bit slippage. Easy to locate and efficient for drilling operations. [Higher Speed and Control] Optimized dual-flute design for high-speed cordless drills for efficient drilling. The dual-flute design provides smoother cuts with clean chip removal. [Versatile Use] Suitable for electric drills, cordless drills, and high-impact drills. For clean and efficient drilling operations on metal surfaces.

Spec: 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 lubricant before each use to prolong the service life.