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4" blade indexes in scraper head to maintain proper positioning
an aluminum shoe and LED light
One 4″ male
push to fit connection compatible with copper
Milwaukee Thunderbolt 31/64 In. Black Oxide Drill Bit Equity 4" blade indexes in scraperMilwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate strength and protect against side load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes.