Screw Thread Cutting, Machinery's Reference Book No. 32, by the editors of Machinery magazine, The Industrial Press, New York, NY, 1910. Reprinted by Nation Builder Books, Leesburg, VA, 2001 reproduction of 1926 original, 5 1/2 x 8 1/2 paperback, photoduplicated booklet, 40 pages.
New - Never used - Set of Morse Taper #1 tools. Genuine Jacobs 3/64" - 1/2" 1.5 mm - 13 mm capacity drill chuck with Jacobs key. Mounted on a new MT1 arbor, 2 9/16" long.
MANDRELS REINFORCED WITH 1/4" SHANK & 1/4" SCREW LARGE HEAD DIAMETER ROTARY MANDREL FOR DREMEL & FOREDOM TOOLS Large Screw Mandrels Reinforced with 1/4" shank have reinforced shoulder (5/16" Diameter) and 1/4" Screw to hold wheels. Mandrel is made of Steel and finished in Nickel an
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