T.J. DaviesJEM # TJD-PS-444X60
PS-444X60
BT40 retention knob, MAS 403 P40T-2, 60°, M16, solidBT4060°M16Solid
SpecificationsFrom T.J. Davies's product pages
- Taper
- BT40
- Style
- MAS 403 P40T-2
- read from the dimensions
- Angle
- 60°
- Thread
- M16
- Overall length
- 2.362"
- Flange to end of knob
- 1.378"
- Knob Ø
- .588"
- Neck Ø
- .392"
- Coolant
- Solid
- Socket
- RKS-BTCAT40
Machines
Machines this knob is listed for
BT40, 60°, MAS 403 P40T-2.Verify firstListed as a guide only. Builders change knob specs between models, years and coolant options, so check your machine’s manual, or send us the make, model and serial number and we’ll confirm before you order. The wrong retention knob can let a holder pull out of the spindle.
| Builder | Machines | Taper |
|---|---|---|
| Okuma | BT40 machines: MA, MB, MC, MD, MF, MU, MX-A series, VH-40, VR-40, MP-46V, GENOSCoolant-through takes the builder’s own knob | BT40 |
T.J. Davies’s own machine guide lists this knob for Hitachi Seiko (BT40), Matsuura (BT40), Mitsubishi (BT40), Nigata (BT40), Nigata (BT50), Okuma (BT40), Tsugami (BT40). T.J. Davies calls its guide general, not a guarantee.
Don’t see your machine? Call the counter at 408-834-8656 with the make, model and serial number and we’ll find the right knob.
T.J. Davies’s dimensions
- Overall length
- 2.362"
- Knob Ø
- .588"
- Neck Ø
- .392"
- Flange to end of knob
- 1.378"
- Flange to start of thread
- 1.100"
- Thread
- M16
- Tightening socket
- RKS-BTCAT40