Feature

●✤✤ Spiral nut design: step drill allows for faster, more stable and smoother cutting. It can automatically fibre the hole to clean the drill.
●✤✤Widely used: this drill bit is suitable for sheet metal, sink, car repair. And widely used to cut holes in a variety of materials such as boards, aluminum, insulation boards, PVC panels.
●✤✤Time Saving: Our cone drill has 29 different opening sizes: from 4mm to 32mm. Covering different step sizes helps to drill or enlarge different holes in a drill without constantly changing the drill, saving you a lot of trouble.
●✤✤High-speed steel: The step cone drill bits are made of high-speed steel, and the titanium nitride coating can reduce friction heat and run cooler. Strong and durable.
●✤✤What you get: 1 x 4-12mm, 1 x 4-20mm, 1 x 4-32mm step drill, 3 x HSS twist drill bits, comes with a portable plastic box for easy storage and organization without worrying about falls.


Description

Material: high speed steel body, titanium coating. Size: 5 step drill bit from 4mm to 12mm. 9 step drill bit from 4mm to 20mm. 15 step drill bit from 4mm to 32mm 3mm Twist Drill Bit 6mm Twist Drill Bit 8mm Twist Drill Bit Measuring system: metric weight: 400g (including case) Package Content:3 x Step Drill Bit 3 x twist drill bits