Milwaukee shockwave impact duty electrical step bits are engineered to deliver most durable and fastest impact step bit hole drilling solution. Step drill bits are made in USA with global materials and give you best-in-class performance in impact drivers with versatility to be used in drills. ¼ in. hex shank has an optimized shockzone body providing industry’s most durable shank， reducing early shank breaks. A titanium aluminum nitride (tialn) coating helps deliver 5x longer life， while step drill bit's rapid strike tip and dual spiral flute produce 2x faster holes. Step drill bit kit features 1 1/8 - 1/2in.， 4 3/16 - 7/8in.， and 9 7/8in. And1-1/8in. Step bits with laser engraving for a clear stop on size identification.Milwaukee shockwave impact duty 23pc red helix titanium drill bit set is engineered for extreme durability and long life. Quad edge tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with a variable helix flute that begins with an aggressive 35° helical angle and ends at 15° for rapid chip removal. Bits feature an internal thicker tapered web that increases strength， reducing premature breakage. Ideal for various applications including but not limited to wood， plastics， and metals. Red helix titanium drill bits provide up to 5x life vs black oxide drill bits.

Milwaukee SHOCKWAVE Impact Duty electrical step drill bit kit is optimized for impact drivers， drill/driver compatible， give 5X longer life， 2X faster holes

Titanium Aluminum Nitride (TiAlN) coating delivers 5x longer life than competitive impact step bits

Rapid strike tip provides fast and accurate starts

Dual spiral flute combined with the rapid strike tip delivers up to 2X faster holes than competitive impact step bits

Optimized Shockzone reduces early shank breaks

Laser engraving for clear stop on size identification

Shockwave Impact Duty drill bits， engineered for use in drills and impacts

Titanium coated dril bits for up to 5X life vs. black oxide drill bits

Titanium Shockwave Impact Duty Step Bit Kit (3-Piece) Includes: (1) SHOCKWAVE Impact Duty step bit #1 1/8 in. to 1/2 in. (48-89-9241)， (1) SHOCKWAVE Impact Duty step bit #4 3/16 in. to 7/8 in. (48-89-9244)， (1) SHOCKWAVE Impact Duty step bit #9 7/8 in. and 1-1/8 in. (48-89-9249)

Shockwave Titanium Drill Bit Set (23-Piece) Includes: (2) 1/16" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 5/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 3/32" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 7/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 1/8" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 9/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 5/32" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 11/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 3/16" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 13/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 7/32" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 15/64" SHOCKWAVE RED HELIX Titanium Drill Bit; (2) 1/4" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 5/16" SHOCKWAVE RED HELIX Titanium Drill Bit; (1) 3/8" SHOCKWAVE RED HELIX Titanium Drill Bit