STM MT3 – MT4 Morse Taper Sleeve, 420330
- Type: Reducing Sleeve
- Inside Morse Taper Size: MT3
- Outside Morse Taper Size: MT4
- Hardness: Hardened Ground
- Hardened and Ground Throughout. Used to convert spindles to smaller tapers and to extend the spindles of drill presses, radial drills, boring mills, turret lathes and similar machines.
Technical specs
- Overall Length (Inch): 5-1/2





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