Socpuro 6Pcs Titanium Step Drill Bit Set, Multiple Hole 50 Sizes in 5 Stepped Up Straight Bits & Automatic Center Punch with Aluminum Case

【Superior Performance】 Made from premium engineered high speed steel coated with titanium alloy providing higher hardness, faster cutting speeds, high wear resistance for maximum durability. Heavy-duty aluminium case to organize tools for easy access and portability..
【50 Sizes in 5 Step Bits】6 step drill bits (1/4"shank;3/16"-1/2");9 step drill bit (3/8"shank;1/4"to 3/4");10 step drill bit (3/8" shank;1/4"-1-3/8");12 step drill bit (3/8"shank;3/16"-7/8");13 step drill bit (1/4"shank;1/8"-1/2"). Multiple 50 sizes and high strength ensure efficient chamfering and drilling in metal, wood and plastic.
【Centre Punching】 Automatic centre punch has a heavy duty spring action, you simply place the tip in the position to be drilled and it makes a slight indentation in the surface for easy positioning and drilling. Adjustable spring-loaded cap regulates striking force.
【Efficient Design】118° split point minimises walking and sliding to support high speed rotation. Double flutes allow effective discharge of debris and particles for increased efficiency. Universal shank with 3 flats helps prevent the drill bit from sliding. Size markings on the drill head for quick size identification.
【Widely Applications】 Socpuro step drills feature drilling, chamfering and deburring functions, effectively working on thin stainless steel sheets, aluminium sheets, fibreglass, plastic, wood, resin, non-combustible materials, processing pipes, etc.

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