Nachi List 601 1-29/64" #4 MT HSS Taper Shank Twist Drill
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This is a new Nachi List 601 (series TD) high-speed steel taper shank twist drill, 1-29/64" (1.453") diameter with a Morse Taper No. 4 shank, as confirmed on both the box end label and stamped on the drill collar. The "KF" designation stamped on the shank collar indicates Nachi's bright-finish (uncoated) HSS grade, manufactured in Japan to JIS standard tolerances, featuring a conventional 118° split-point geometry and right-hand spiral flute for chip evacuation in a wide range of materials. The oxide/black-finish flute body (steam-tempered) provides reduced friction and enhanced chip flow during drilling of steel, cast iron, and non-ferrous metals; the drill accepts a standard MT4 socket or drill sleeve/arbor and is driven via the tang. Overall length is 9.25 inches per the stock label (#601 1 29/64 X9.25 TS DRILL), making this suitable for drill presses, lathes, milling machines, and radial arm drills equipped with a Morse Taper 4 spindle.
Product Specifications
| Brand | Nachi |
| Series / List # | List 601 (TD) |
| Drill Diameter | 1-29/64 in (1.453 in) |
| Shank Type | Morse Taper #4 (MT4) |
| Overall Length | 9.25 in |
| Material | High Speed Steel (HSS) |
| Grade / Finish Code | KF (bright finish HSS) |
| Flute Finish | Black oxide / steam-tempered |
| Point Angle | 118° |
| Flute Direction | Right-hand |
| Country of Origin | Japan |
| Condition | New |