Milwaukee 48-89-4631 — Product Description
The Milwaukee 48-89-4631 is a 23-piece SHOCKWAVE™ Impact Duty RED HELIX™ Titanium Drill Bit Set designed for general-purpose drilling in metal, wood, and plastic, optimized for use with drills and impact drivers.
Unlike the single-bit SHOCKWAVE numbers you were going through (4606–4629), this one is a full indexed set covering small to mid-large sizes.
What’s included (typical range)
This kit covers bits from 1/16" up to 3/8", including common sizes like:
- 1/16", 5/64", 3/32"
- 7/64", 1/8", 9/64"
- 5/32", 11/64", 3/16"
- 13/64", 7/32", 15/64"
- 1/4", 5/16", 3/8"
Key Features
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SHOCKWAVE™ Impact Duty design – built for impact drivers and high-torque drilling
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RED HELIX™ flute geometry – variable helix clears chips fast and reduces heat
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QUAD EDGE™ tip – 4 cutting edges for faster starts and cleaner holes
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135° split point – prevents walking on metal and improves accuracy
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Titanium coating (TiN) – longer life and better wear resistance vs black oxide
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1/4" hex shank – quick-change compatible for jobsite use
What makes it different from the 48-89-28xx series
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4600-series (what you were listing): individual impact-rated bits
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2800-series: Thunderbolt jobber bits (standard drill-only use)
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4631: full impact-rated system set for organized, all-in-one use
Best Uses
- Jobsite drilling where you need multiple sizes on hand
- Electrical, HVAC, and general construction installs
- Metal studs, sheet metal, wood framing, plastics
- Impact driver + drill combo work
- Fast repetitive drilling without switching tool systems
Bottom Line
The 48-89-4631 is basically Milwaukee’s “all-in-one SHOCKWAVE drill bit kit”:
- Covers the full common size range in one case
- Designed for impact drivers + durability + speed
- Much more efficient than buying individual 46xx bits one by one
