Union Butterfield Cobalt Screw Machine Drill, Heavy-Duty, #30 Size, 0.129" Diameter, 1.937" OAL SKU UB-041330 $3.57 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details Low thrust design self centering Split Point for easier penetration. Cobalt base material with Bronze Oxide for wear resistance and lubricity. Details Back DetailsLow thrust design self centering Split Point for easier penetration. Cobalt base material with Bronze Oxide for wear resistance and lubricity. Ratings & ReviewsNo reviews availableBe the first to Write a Review