VASCO ULTRASONICALLY TESTED
HIGH SPEED TOOL STEEL IN THE FORM OF BILLETS, BARS, DRILL ROD AND TOOL BITS, ALSO SHEETS, PLATES AND CIRCLES STAMPED OR CUT FROM PLATES OR SHEETS FOR USE IN FABRICATING INTO SUCH ARTICLES AS CIRCULAR SAWS, CIRCULAR KNIVES,SLITTING CUTTERS, THIN MILLING CUTTERS , DRILLS, TAPS, REAMERS, END MILLS, BROACHES, PUNCHES, AND THE LIKE; AND DISC AND RING FORGINGS FORGED ON A STEAM HAMMER, DROP HAMMER OF PRESS FROM ROLLED OR PREFORGED STOCK, FOR USE IN FABRICATING INTO MILLING CUTTERS, HOBS, BLANKING D...
Expired · May 1, 1957 · 72029244 ·