1/4 in. quick change hex shank for use with impact drivers ; Thin wall 8 TPI design for 40% faster cuts than standard bi-metal hole saws ; Stop shoulder design prevents over-drilling and damaging components ; Ejection spring automatically removes slugs
1/4 in. quick change hex shank for use with impact drivers ; Thin wall 8 TPI design for 40% faster cuts than standard bi-metal hole saws ; Stop shoulder design prevents over-drilling and damaging components ; Ejection spring automatically removes slugs