Pull studs / Retention knobs
The pull stud allows the locking drawbar of the spindle to pull the toolholder firmly into the spindle and to release the toolholder automatically.
Pull studs are made in various styles and sizes. They are not necessarily interchangeable.
Only use the pull studs that are specified by the machine tool manufacturer.
Recommended torque for pull stud tightening:
SK / BT / ISO 30 = 20 Nm
SK / BT / ISO 40 = 50 Nm
SK / BT / ISO 50 = 100 Nm
DIN ISO 7388-3 [CURRENT] - Tool shanks with 7/24 taper for automatic tool changers - Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF (ISO 7388-3:2013)
Pull studs / Retention knobs The pull stud allows the locking drawbar of the spindle to pull the toolholder firmly into the spindle and to release the toolholder automatically. Pull studs are...
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Pull studs / Retention knobs
The pull stud allows the locking drawbar of the spindle to pull the toolholder firmly into the spindle and to release the toolholder automatically.
Pull studs are made in various styles and sizes. They are not necessarily interchangeable.
Only use the pull studs that are specified by the machine tool manufacturer.
Recommended torque for pull stud tightening:
SK / BT / ISO 30 = 20 Nm
SK / BT / ISO 40 = 50 Nm
SK / BT / ISO 50 = 100 Nm
DIN ISO 7388-3 [CURRENT] - Tool shanks with 7/24 taper for automatic tool changers - Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF (ISO 7388-3:2013)
