NATIONAL TWIST DRILL & TOOL REAMERS MILLING CUTTER 4.5" pre 1940 VTG DETROIT USA
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Product details
| Management number | 45589632 | Release Date | 2026/01/28 | List Price | $14.96 | Model Number | 45589632 | ||
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NATIONAL TWIST DRILL & TOOL CO REAMERS / MILLING CUTTERS 4.5" Vintage Antique DETROIT Michigan. Made in USA. Circa 1903 - 1940. These were made in Detroit sometime between 1903 to 1940. After 1940 the company moved to Rochester Hills, MI. See company history below.
TWO (2) National Twist Drill & Tool Company "special" reamers / milling cutters. These cutters look new, unused, with traces of cosmolene on them SMALL spots of light rust near the center hole, end of cutter. These are still wrapped in original wrapping in the original antique box. These are large and total weight is 3.5 lbs.
5 flute center drilled. The double notch at small end of shank is .700, with taper from .850 to approximately .950. The shank is 1.875 long with a Whistle Notch. I have no means of measuring a 5 flute cutter........but 'roughly' 1.900 diameter......give or take a half inch. Across 2 flutes is 1.700.
Overall length is 4.500 inches. I have no idea what shank type these cutters are. If you
| Category | Tools > Cutting Tools > Other Cutting Tools |
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| Size | N/A |
| Brand | None |
| Condition | Good |
Other Cutting Tools
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