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4.1 Usable shank types
Type A
with straight cylindrical shaft.
Cylindrical shaft according to DIN 1835-1 form A and
to DIN 6535 form HA
Type AB
with one Weldon flat.
Cylindrical shaft according to DIN 1835-1 form B and to
DIN 6535 form HB (up to shank-Ø 20 mm)
Type B
with two Weldon flats.
Cylindrical shaft according to DIN 1835-1 form B and to DIN
6535 form HB (from shank-Ø 25 mm)
Type E
with inclined Whiste-Notch flat.
Cylindrical shaft according to DIN 1835-1 form E
and to DIN 6535 form HE
The use of shanks with recesses influence the balancing grade and run-out accuracy of the
whole system.
