Skip to main content

Retention Knobs

Manufactured to industry standards or machine builder specifications.

Note

It is critical that the correct retention knob is used with each machining center. Please verify all dimensions prior to ordering. Machine specifications will be located in your machine manual.

Retention knob drawing
Retention knob
Shank Part Number A D1 D2 D3 L1 L2 L3 L4 H F T Socket O-Ring OD O-Ring ID Notes
BT30 HPS-016 45 0.433 0.276 0.492 1.693 0.906 0.709 0.197 - 13 M12 TWS-M13 - - MAS P30T-1
BT30 HPS-016C 45 0.433 0.276 0.492 1.693 0.906 0.709 0.197 0.098 13 M12 TWS-M13 Y MAS P30T-1
BT30 HPS-016C-FA 45 0.433 0.315 0.492 1.693 0.906 0.709 0.197 0.157 13 M12 TWS-M13 Y - FANUC Coolant
BT30 HPS-017 60 0.433 0.276 0.492 1.693 0.906 0.709 0.197 - 13 M12 TWS-M13 MAS P30T-2
BT30 HPS-017C 60 0.433 0.295 0.492 1.693 0.906 0.709 0.197 0.098 13 M12 TWS-M13 Y MAS P30T-2