This step drill bit set is from Milwaukee. It provides a jam-free performance with a dual-flute design that has greater speed and control. The Rapid Strike™ Tip creates fast, accurate starts, and generates less heat. Bits perform up to 2x faster and have up to a 4x longer bit life. When drilling up to 50 percent more holes can be drilled per charge. Bits can easily be stopped on any hole size. The 3-Flat Secure-Grip™ shanks reduce bit slippage in the chuck. Milwaukee part number 48-89-9221.
EC Part Number: #39707
Manufacturer Number: 48-89-9221
Manufacturer: Milwaukee