EXACT 3-Piece Step Drill Bit Set for Metal, 30mm Max, 4mm Min, HSS Bits

RS PRO High-Speed Steel (HSS) Step Drill Bit. RS PRO range of HSS step drill bits. These high-speed steel multi-diameter cutters require no pilot hole and are ideal for the rapid drilling of sheet metals and plastics. Their stepped cone shape allows for multiple diameter cutting surfaces on one drill. These drill bits can be used with power drills with a 13 mm chuck. Step Drill Bit Options:- ; 232-557 232-557 - 4 to 20 mm Drill Bit, 9 Steps ; 232-563 232-563 - 4 to 30 mm Drill Bit, 14 Steps ; 232-579 232-579 - 10 to 20 mm Drill Bit, 11 Steps ; 232-585 232-585 - 20 to 30 mm Drill Bit, 11 Steps ; 232-608 232-608 - 3 piece Drill Set 4 mm to 30 mm. Features and Benefits:. ;ul> ;li>HSS drill bits ;/li> ;li>Provides clear holes in applications requiring small hole size increments ;/li> ;li>No pilot hole required easily enlarges existing holes ;/li> ;li>Ideal for use with most power drills ;/li> ;/ul>. Application Information. Step drill bits are typically used in electrical, plumbing and HVAC applications. They are used for drilling multiple sized holes without the need to frequently change bit sizes. They are compatible with corded or cordless power tools. FAQs. Why would you buy a step drill? A step drill is a single piece accessory with optimised flute angles. It offers a unique tip design that eliminates movement and increases drilling speed. They are compatible with any power tool that incorporates a chuck, for example; cordless drill drivers What material will it drill through? Typical materials include: Stainless steel Carbon steel Soft metals Plastics How good step drill bits? A step drill bit is an accessory that gets overlooked, the working principle is so simple you can drill multiple size holes without changing the bit and achieve a nice clean finish every time. Can a step drill bit be used with a stationary drill machine? Yes, step drill bits are compatible with portable hand power tools as well a stationary drilling machines.