WALTER - 1/4 SST+ DRILL BIT - 01A516

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Walter SST+ drill bits are made with a cobalt blend to drill even more holes faster on any type of material.Made with premium grade cobalt HSS to drill harder materialsCobalt drill s can drill approximately 30% faster than HSS drillsSelf centering 135° split-point for reduced thrust requirements and minimized walkingSpecial bronze SST surface treatment for extreme lubricity and lifeHigh flow flute design for rapid chip evacuationRound shank Show more