Toolholding Solutions

Parlec’s Toolholding Solutions are manufactured to maintain precision, functionality and durability. CAT, DIN, BT, HSK, NMTB, Chiron and Morse taper holders along with solutions for Balanced and Balanceable Heat Shrink, ER Collet Chucks, Power Milling and Shell Mill holders make up Parlec’s toolholding line.


Toolholding

Products

NMTB Taper Specifications

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  • Meets or exceeds ANSI B5-18 specifications.
  • Taper is toleranced so that any error increases rate of taper only. Refer to Manufacturing Specifications for tolerance specifications.
  • Parlec provides tooling in a variety of taper styles including BT, V-Flange, ISO 7388 (DIN NOTCH), ISO 7388/1 (DIN 69871/B) and others upon request.
  • Erickson quick-change spindle qualified.
  • Refer to Manufacturing Specifications for taper accuracies.

NMTB TAPERS
Taper Type Gageline D1 D2 L1 L2 L3 L4 L5 L6 Thread
N30 1.250 1.825 2.687 0.344 0.421 0.905 0.640 0.645 1/2- 13
N40 1.750 2.500 3.687 0.312 0.389 0.956 0.883 0.645 5/8- 11
N50 2.750 3.900 5.000 0.640 .0765 1.000 1.382 1.013 1- 8