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Overview Milwaukee® THUNDERBOLT® 21PC Black Oxide Drill Bit Set offers heavy-duty performance on the jobsite. Black Oxide coating reduces heat build-up and provides corrosion resistance. The thicker core provides ultimate strength and protects against side-load breakage while a specially designed parabolic flute form clears chips and debris fast to keep the bit cool. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes. MILWAUKEE® THUNDERBOLT® Black Oxide Coated bits are ideal for various drilling applications in wood, plastics, and metals. The set is organized in a customizable accessory case designed for use in PACKOUT™. At a Glance Manufacturer part number: 48-89-2801 UPC: 0004524216723 Package: Sold by PBE Direct as one complete kit or set. Product Benefits 135° Split Point Tip for precision starts and faster holes 135° Split Point Tip for precision starts and faster holes Thicker core resists breaking Thicker core resists breaking Black Oxide coating for corrosion resistance Black Oxide coating for corrosion resistance Parabolic flute form clears chips fast Parabolic flute form clears chips fast 3-FLAT SECURE-GRIP™ prevents bit from slipping in chuck 3-FLAT SECURE-GRIP™ prevents bit from slipping in chuck Before You Order Review the exact manufacturer-listed contents in the overview and confirm the set includes every tool or accessory required for the job.
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🇺🇸 Ship from USA · On Agora since 2026
$37.99