HSS Ti Coated Step Drill Bit 4-32mm Spiral Groove

1 ENHANCE HARDNESS AND DURABILITY: The drill bit is plated with Ti to enhance the hardness and durability, which is convenient and useful 2 CHAMFERING FUNCTION: Full size from 4~32mm, with chamfering function, bring more powerful drilling, practical and convenient 3 DOUBLE CHIP REMOVAL BRING FASTER PUNCHING: Hex universal mouth does not slip, double chip removal bring faster punching, possess higher efficiency 4 HIGH SPEED STEEL MATERIAL: Adopt good quality high speed steel material, possess high hardness, stable performance, of sharpness and durable 5 MATERIAL CUTTING AND PUNCHING: Used for material cutting and punching, cutting diameter from 4mm~32mm, shank diameter is 6.35mm

What's in the box
1 x Step Drill Bit