1/4" SHOCKWAVE Impact Duty™ RED HELIX™ Titanium Drill Bit

The Milwaukee 48-89-4613 is a 1/4" SHOCKWAVE™ Impact Duty RED HELIX™ titanium drill bit, designed for high-torque drilling using impact drivers or standard drills.

This is one of the larger common SHOCKWAVE sizes, typically used for final hole sizing for hardware and anchors.

Key Features

• Impact-rated SHOCKWAVE™ design – built for impact drivers and high torque use
• RED HELIX™ flute geometry – variable helix angle clears chips quickly and reduces heat buildup
• 135° split point tip – prevents walking and improves starting accuracy
• Titanium nitride coating (TiN) – extends bit life up to ~3× vs black oxide bits
• QUAD EDGE™ cutting tip – creates smaller chips for faster drilling
• 1/4" hex shank – quick-change compatible for jobsite efficiency

Specs

• Size: 1/4 in (0.25")
• Shank: 1/4" hex
• Material: Titanium-coated HSS
• Overall length: ~4.1 in
• Use: Metal, wood, PVC, plastics
• Pack: Typically sold as single bit or small packs

Best Uses

• Drilling holes for 1/4" bolts and anchors
• General construction and framing
• Metal stud and sheet metal drilling
• Electrical / HVAC installations
• Fast drilling with impact drivers