Toolholders ISO 7388-2
(ex. JIS B 6339 MAS 403 BT)

Pre-balanced G 6,3 15.000 min-1
G 2,5 Fine balancing at extra charge

With internal coolant through the collar - form AD/B

Material:
Alloyed case-hardened steel, tensile core strength of min. 800 N/mm².
Case hardened HRC 60 ± 2 (HV 700 ± 50), hardening depth 0.8 mm ± 0.2 mm,
black-finished and precisely grinded.
Form AD/B:
Delivery in form AD, type B closed with releasable headless screws.
Accuracy:
Quality of taper < AT 3 according to DIN 7187 and DIN 2080.

DIN ISO 7388-2:2014-07
Tool shanks with 7/24 taper for automatic tool changers - Part 2: Dimensions and designation of shanks of forms J, JD and JF (ISO 7388-2:2007)

ISO 7388-2:2007 - Werkzeugschäfte mit Kegel 7/24 für automatischen Werkzeugwechsel - Teil 2: Maße und Bezeichnung von Schäften der Formen J, JD und JF
ISO 7388-2:2007 - Tool shanks with 7/24 taper for automatic tool changers - Part 2: Dimensions and designation of shanks of forms J, JD and JF
ISO 7388-2:2007 - Queues d outils à conicité 7/24 pour changement automatique d outils - Partie 2: Dimensions et désignation des queues de formes J, JD et JF

ISO 7388 besteht unter dem Haupttitel „Tool shanks with 7/24 taper for automatic tool changers" aus den folgenden Teilen:
- Part1: Dimensions and designation of shanks of forms A, AD, AF, U, UD and UF
- Part 2: Dimensions and designation of shanks of forms J, JD and JF
- Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF