Milwaukee Thunderbolt 48-89-2801 Drill Bit Set, 21-Piece, Steel, Black Oxide plumbing--07-17-26 The efficient through-the-pad dust collection

The efficient through-the-pad dust collection system helps provide a cleaner work environment

3:1 gear ratio rewinds line 3X faster than traditional chalk reels

Side discharge is ideal for easy water removal from flat open surfaces

Suitable for: P-Trap and S-Trap

Milwaukee Thunderbolt 48-89-2801 Drill Bit Set, 21-Piece, Steel, Black Oxide plumbing--07-17-26 The efficient through-the-pad dust collectionOur Milwaukee Thunderbolt 21 piece 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 deg split point tip delivers a precision start and prevents walking for fast,