7/16" SHOCKWAVE Impact Duty™ RED HELIX™ Titanium Drill Bit

Milwaukee 48-89-4625 — Product Description

The Milwaukee 48-89-4625 is a 7/16" SHOCKWAVE™ Impact Duty RED HELIX™ titanium drill bit, designed for heavy-duty drilling in metal, wood, and plastic, especially when used with impact drivers or high-torque drills.

This is one of the larger SHOCKWAVE drill bits in the lineup, used for large clearance holes and structural fastening work.

Key Features

• Impact-rated (SHOCKWAVE™) – built for impact drivers and high-torque applications
• RED HELIX™ flute design – variable helix improves chip removal and reduces heat buildup
• QUAD EDGE™ tip – four cutting edges for faster starts and smaller chips
• 135° split point – prevents walking and improves accuracy
• Titanium coating (TiN) – up to ~3–5× longer life vs black oxide bits
• 1/4" hex shank – quick-change compatible for jobsite efficiency

Specs

• Size: 7/16" (0.4375")
• Shank: 1/4" hex
• Material: Titanium-coated high-speed steel
• Overall length: ~4.9"
• Use: Metal, wood, PVC, plastics
• Pack: Typically sold individually

Best Uses

• Large clearance holes for bolts and anchors
• Structural steel and framing work
• Electrical/HVAC conduit and hardware installs
• Heavy-duty construction drilling
• Fast drilling with impact drivers

Bottom Line

The 48-89-4625 is a large, impact-rated drill bit built for serious jobsite work:

• Much stronger under torque than standard drill bits
• Fast chip evacuation = cooler drilling and longer life
• Designed specifically for impact drivers and heavy construction use
• One of the biggest sizes in the SHOCKWAVE titanium lineup