5Pcs High Speed Steel Cobalt Step Drill Bits Center Punch For Accurate Locator

Feature: *Made of high-quality High Speed Steel. *Cobalt coated to reduce friction and heat. *Groove design provides faster smoother and cleaner cutting. *Suitable for opening holes in various materials including steel brass wood plastic etc. Specification: *Material: HSS 4241 *Color: As Pictures Shown *Size: 6 Steps: 3/16 to 1/2 (3/16 1/4 5/16 3/8 7/16 1/2 ) 9 Steps: 1/4 to 3/4 (1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 ) 10 Steps: 1/4 to 1-3/8 (1/4 3/8 1/2 5/8 3/4 7/8 1 1 -1/8 1-1/4 1-3/8 ) 12 Steps: 3/16 to 7/8 (3/16 1/4 5/16 3/8 7/16 1/2 9/16 5 /8 11/16 3/4 13/16 7/8 ) 13 Steps: 1/8 to 1/2 (1/8 15/32 7/16 15/32 1/4 9/32 5/16 11 / 32 3/8 13/32 7/16 15/32 1/2 ) *Packaging options: bag or aluminum box *Quantity: 5pcs Package Contents: 5*Step drill Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.