Milwaukee SHOCKWAVE 1/4″-20 UNC Impact Drill Tap Bit 48-89-4873

RAPID METAL THREADING DOMINANCE

Streamline your metal fabrication and maintenance workflows with the Milwaukee SHOCKWAVE 1/4″-20 UNC Impact Drill Tap Bit. Built for the mechanical contractor who demands high-speed execution without compromising thread integrity, this tool combines the drilling and tapping stages into a single, high-efficiency pass. Engineered to handle the aggressive torque profiles of 1/4″ hex impact drivers, this bit utilizes SHOCKWAVE technology to absorb peak torque, significantly extending tool life compared to standard carbon steel taps. For the fleet manager looking to maximize ROI, this bit reduces broken tooling costs while slashing labor time on every threaded connection.

• / Dual-Action Performance: Eliminates the need for multiple tool changes by drilling the pilot hole and cutting threads in a single continuous operation.
• / SHOCKWAVE Geometry: Optimized for impact drivers, providing the durability needed to withstand sudden torque spikes in dense metals.
• / Precision Class-2 Fit: Delivers industry-standard 1/4″-20 UNC threads for reliable bolt engagement and structural fastening in mechanical systems.
• / Laser-Etched Sizing: High-visibility markings ensure your crew pulls the right bit from the pack every time, even in poor jobsite lighting.

TECHNICAL SPECIFICATIONSThread Size: 1/4″-20 UNC
Shank: 1/4″ Hex Quick-Change
Impact Rated: Yes
Max Material Capacity: 1/4″ Thick Steel/Aluminum
Material: Heavy Duty High-Speed Steel
Application: Drill and Tap in one pass
Coating: Black Oxide

WHAT’S IN THE BOX

(1) SHOCKWAVE 1/4″-20 UNC Impact Drill Tap Bit (48-89-4873)