Spyder 19020 Mach-Blue 1/4-in 6-Step Drill Bit (3/16-in to 1/2-in) Subcategory:Drilling & Driving & Boring, Driving, & Boring Engineered to withstand the extreme

Engineered to withstand the extreme power of high-torque impact drivers

Type (Cutting Accessories) : Miter Saw Accessories

Overall Length : 2"

70x longer life than standard impact rated driver bits

INCLUDES : Guide Rail Non-Slip Replacement Strip

Spyder 19020 Mach-Blue 1/4-in 6-Step Drill Bit (3/16-in to 1/2-in) Subcategory:Drilling & Driving & Boring, Driving, & Boring Engineered to withstand the extremeProprietary 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.