drill bits & sets
irwin unibit 585 15102 unibit 2t 3 16 inch 1 2 inch step drill tin
titanium nitride finish causes less friction which increases speed and increases product life by 6x new speedpoint tip provides 6x faster initial penetration time than before and eliminates the need for center punching single fluted cutting edge assures true round holes and allows greater control with less vibration sku orsno9435
irwin unibit