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Century Drill And Tool Step Drill 8 Steps #20 9/16″-1″ Hss Zirconium Coated Step Depth 1/8″ Shank 3/8″ Nifty Wrapper made of hrc 50 grade

Description

made of hrc 50 grade steel

first 12" to 1/32nds

For indoor use

Flute Design Efficiently Removes Dust Reducing Bit Binding

Century Drill And Tool Step Drill 8 Steps #20 9/16″-1″ Hss Zirconium Coated Step Depth 1/8″ Shank 3/8″ Nifty Wrapper made of hrc 50 gradeHigh speed step drill for drilling and deburring holes in ferrous and non ferrous metals plastics and wood up to 1 8 Inch thick Double flute design reduces chatter and deburrs holes Zirconium coating reduces wear for a longer tool life

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