Titanium Step Drill Bit Set 5-35mm Step Cone HSS Coated 13 Steps HSS Double Straight Slot Round Shank Flute Cut Holes Tool for Wood Stainless High Speed Steel Sheet Metal Multiple Hole Stepped Up Bits

Key feature: Ultra durable, high quality HSS steel with Titanium coated, Titanium coated to reduce friction and heat. With only need a small amount of pressure and automatically deburr holes as you drill. Provides fast, smooth and clean cuts, each step is clearly labeled with the depth diameter. Hole Sizes : 13steps (5 , 7 , 10 , 12 , 15 , 17 , 20 , 22 , 25 , 27 , 30 , 32 , 35mm) Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect. Specification: Type: Straight Groove Drill Material: HSS steel with Titanium Plated Shank Type: Round Shank Color: Golden Models: 5-35mm Shank Diameter: 13mm Hole Sizes: 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 27mm, 30mm, 32mm, 35mm (13 steps) Length: Appox. 7.2cm / 2.7" Package Includes: 1 x 5-35mm HSS steel Step Cone Drill