7/32" SHOCKWAVE Impact Duty™ RED HELIX™ Titanium Drill Bit

The Milwaukee 48-89-4611 is a 7/32" SHOCKWAVE™ Impact Duty RED HELIX™ titanium drill bit, built for high-torque drilling with impact drivers or standard drills.

This continues the size progression you’ve been listing (4606 → 4607 → 4609 → 4611), stepping up into a larger mid-range hole size.

Key Features

• Impact-rated (SHOCKWAVE™) – engineered for both drills and impact drivers
• RED HELIX™ variable flute – aggressive helix improves chip removal and reduces heat
• QUAD EDGE™ tip – four cutting edges for faster starts and smoother drilling
• 135° split point tip – 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

Specs

• Size: 7/32 in (0.2188")
• Overall length: ~4.1 in
• Shank: 1/4" hex
• Material: Titanium-coated high-speed steel
• Use: Metal, wood, plastics
• Pack size: Typically sold as a single bit

Best Uses

• Pilot holes for 1/4" fasteners (tight fit) or clearance stepping
• Drilling sheet metal and light steel
• Wood framing and construction
• Electrical / HVAC installs
• Fast drilling with impact drivers

Bottom Line

The 48-89-4611 is essentially the impact-driver version of a 7/32" drill bit:

• More durable under torque than standard bits
• Faster chip removal = cooler drilling
• Longer life thanks to titanium coating
• Designed specifically for hex quick-change tools