Bosch 2608597518 4 12/6/65 mm HSS TiN Step Drill Bit

Step drill bits HSS 4 - 12 mm, 6 0 mm, 50 mm; 5 steps, diameter 4-6-8-10-12 mm Contents and Other FeaturesStep diameter (all) mm: 10681012, Weight: 0.055 Pounds, Manufacturer: Bosch