ITEM NAME:4-39Mm Hss Round Handle Straight Groove Pagoda Drill Titanium-Plated Step D E9J3 ☆★ Product Details ★☆ 4-39Mm Hss Round Handle Straight Groove Pagoda Drill Titanium-Plated Step D E9J3 This is HSS High Speed Steel Step Drill Pagoda Drill Bit, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic,etc. High hardness, rustproof, solid and durable,self-centering point, do not need assistant center drilling or center punching. Colour:gold Material:High speed steel Size:106mm Package Contents: 1*Step Drill Bit