Spyder 19023 Mach-Blue 1/4-in 16-Step Drill Bit (3/16-in to 1-1/8-in) Hand Tools Impact Energy (Joules)2

Impact Energy (Joules)2

The Zirconium abrasive grain runs cooler and lasts longer than aluminium oxide

Special FeaturesAdjustable Vents

Cutting Diam [Nom] 1 1/8 in

CERMET teeth are a combination of high grade ceramic and metal

Spyder 19023 Mach-Blue 1/4-in 16-Step Drill Bit (3/16-in to 1-1/8-in) Hand Tools Impact Energy (Joules)2Proprietary Mach Blue Armor Plating is a super hard surface plating that retains sharper cutting edges, and reduces heat build up and cutting friction resulting in faster cuts and exceptionally long drill life. Impact rated 1 4 speed hex won't slip in conventional 3 jaw chucks and ideal for use in quick change impacting power tools. Optimized 135 self centering split point cutting geometry won't walk or wander even on pre hardened or curved surfaces.