Titanium Step High-End Drill Bit 1/4 Inch Hex Shank Step Cone 3-13mm 11 Steps

Description: *This drill bit is used in hardness under 25degree Celsius work-piece the plate thickness under 4 mm such as carbon steel plate sheet iron insulation boards wood etc. *Made of high speed still material durable in use. *Good performance and service long life. *Injecting cold water while working can effectively extend the service life of the drill bit. * brand new and in good condition. *Color: As pictures show *Material: high-speed -steel *Surface: titanium coated *Shank size: 1/4 *11 steps: 3 4 5 6 7 8 9 10 11 12 13mm Package including: 1 * Drill Bit Note: 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.