High air velocity (CFM) design stands up to any competitive specifications

The unique hollow socket design adds unparalleled versatility over deep well sockets and is great for use in all-thread applications or long bolts/studs

Up to 2-1/4" cutting depth in various metal materials including thread rod

Use of only solid bar stock steel (brazed bits)

Carbide Tipped: 3/4" Dia x 1-1/4" x 1/2" Shank

Milwaukee 48-89-9243 SHOCKWAVE Impact Duty Step Drill Bit Sanding Tools_Drywall Sanders High air velocity (CFM) design#3 Size Range 3 16" to 3 4" The SHOCKWAVE Impact Duty #3 3 16 3 4" Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. Our step drill bits are made in the USA with global materials and give you best in class performance in impact drivers with the versatility to be used in drills. The 1 4" hex shank has an optimized SHOCKZONE body providing you with the industrys most durable shank, reducing early