Image Not Available for Tool, Boring
Tool, Boring
Image Not Available for Tool, Boring

Tool, Boring

Object number2007.56.67 a-e
Date1860-1890
Mediumsteel
Credit LineHeinz History Center Collection
DescriptionGroup of five (5) machinists tools or tool holders. Arbor or collet possibly to mount a morse-taper drill or other tool. Rounded square shape with fine-threaded body which fits into a sleeve that end of which is formed into a receiving socket hole in side to release taper. Piloted shell reamer or cutter. Long shank with two cutting heads returned by drift pins. Long tapered square mounting shank. Milling cutter or reamer long cylindrical cutter with stamps cutting groove small pilot tip reduced shank with tapered square mounting shank. Machinists top approx. 5/8 size. Chip clearing. Four Flutes cuts a very fine thread turned with square mounting shank. Small hand top three flutes course thread approx 1/4 diameter. Lathe-turned shape.Dimensions0.375 x 0.375 x 5.875 in. (1 x 1 x 14.9 cm)
InscriptionsOld HSWP inventory label with type-written:
(b) "65";
(c) "63";
(d) "62";
(e) "61".
Historical NotesFound in collection. Provenance and exact usage unclear. Appear to be fairly early machine/metal working tools. Unknown which if any, are related to each other.
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