- North Tonawanda, New York, United States
- May 30th
SCREW MACHINE DRILL CONDITION = NEW SCREW MACHINE DRILL MANUFACTURER = BUTTERFIELD / UNION TWIST DRILL (USA) {NOTE: PICTURE 3 SHOWS BUTTERFIELD AND UNION TWIST / MANUFACTURER'S PART #'S ARE SAME} EITHER WAY RESPECTABLE U.S.A. DRILLS SCREW MACHINE DRILL MATERIAL = HIGH SPEED STEEL USED ON MATERIALS FORMING LONG OR SHORT CHIPS SUCH AS = STEEL(S), CAST IRON, MALLEABLE IRON, SINTERED IRON, NON -FERROUS MATERIALS, ALUMINUM, BRASS, COPPER