T.J. DaviesJEM # TJD-PSCO-444X15
PSCO-444X15
BT40 retention knob, JIS B 6339 / DIN 69872 style (15°), 15° (also called 75°), M16, coolant-through, O-ringBT4015°M16Coolant-through
SpecificationsFrom T.J. Davies's product pages
- Taper
- BT40
- Style
- JIS B 6339 / DIN 69872 style (15°)
- read from the dimensions
- Angle
- 15° (also called 75°)
- Thread
- M16
- Overall length
- 2.125"
- Flange to end of knob
- 1.141"
- Knob Ø
- .746"
- Neck Ø
- .549"
- Coolant
- Coolant-through
- with O-ring
- Socket
- RKS-BTCAT40
Machines
Machines this knob is listed for
BT40, 15° (also called 75°), JIS B 6339 / DIN 69872 style (15°).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 |
|---|---|---|
| DMG MORI / Mori Seiki | Same series WITH through-spindle coolant (e.g. CMX 1100 V CTS option)Builder p/n J-022343 (option code, Special Center-Through knob, #40) | BT40 / CAT40 |
| Doosan / DN Solutions | DNM series (DNM 4500/5700/6700, DNM 4th gen) and other current 40-taper VMCs; BT40 standardBuilder p/n PS806 | BT40 |
| Kitamura | Current Mycenter / HX / Supercell (Mycenter-3XG, 4XiF, 7X, HX400G, HX500i-1250i, Supercell-400, Mytrunnion-5, Bridgecenter) | BT40 / CAT40 |
| Makino | a-series HMCs, PS/V-series VMCs (a51nx, a61nx, PS95, PS105, V33i, F3/F5 etc.), 40-taper | BT40 / CAT40 |
| Matsuura | Current MC/RA/MAM/FX/H.Plus/V.Plus/MX-520/VX-1000 40-taper | BT40 / CAT40 |
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
- 2.125"
- Knob Ø
- .746"
- Neck Ø
- .549"
- Flange to end of knob
- 1.141"
- Flange to start of thread
- .905"
- Thread
- M16
- Tightening socket
- RKS-BTCAT40