Irwin Industrial Tools 10502CB Unibit 502 Drill Bit Set, 3-Piece [並行輸入品]

商品説明

Includes #1C, #2C and #3C bits. Single-flute cutting edge for greater control through steps. 3 Flatted shank prevents slipping in drill chuck. Non-skid self-starting tip eliminates skidding and the need for center punching.. Laser marked sizes. 3-flatted shank. This IRWIN Unibit Cobalt Step Drill Bit Set is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip design provides fast starts and features laser-marked sizes for easy reading. The radial concave flute design helps ensure an effective use of drilling power.