
PS-532X45
CAT40 retention knob, MAS-I head on CAT40, 45°, 5/8-11, solid- Taper
- CAT40
- Style
- MAS-I head on CAT40
- read from the dimensions
- Angle
- 45°
- Thread
- 5/8-11
- Overall length
- 2.250"
- Flange to end of knob
- 1.266"
- Knob Ø
- .588"
- Neck Ø
- .392"
- Coolant
- Solid
- Socket
- RKS-BTCAT40
Machines this knob is listed for
CAT40, 45°, MAS-I head on CAT40.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 (formerly Hitachi Seiki) | VK, VM-40/50, VS-40/50/60, VKC, VA, HG-400, HS, HK-630, HA series; Hitachi Seiki VA-35/40, HC-400, VK-45, VM-40, Minimatic | BT40 / CAT40 |
| Fryer | Fryer VMCs / bed mills (CAT40, BT40, CAT50) | CAT40 / BT40 / CAT50 |
| Haas | All CT40 mills (VF series, Mini Mill, UMC, EC-400 etc.)Builder p/n 04-0292 (solid), 04-0293 (TSC), 04-0201 (TSC 10-pack) | CAT40 |
| Hwacheon | VESTA-660, VESTA-650T, VESTA-610D, VESTA-1000+, SIRIUS-UL+ (12K/14K/20K) and other BT40 models | BT40 / CAT40 |
| Hyundai WIA | KF series with CAT40/BCV40 option | CAT40 |
| Johnford | VMC-1050 and other Johnford VMCs | BT40 / CAT40 / CAT50 |
| Kitamura | Older Mycenter 3, 4, 5, 6, H300, H300B, H500, H600, H800, Jig Center 7/8 | CAT40 / BT40 / CAT50 |
| Leadwell | MCV-0, MCV-OP, MCV-550E/S/D, MCV-610S, MCV-760XL, V-350, V-410, MCH-350/500 | BT40 / CAT40 |
| OKK | PCV, VM, VP, VC, HM, HP series, TRC, AMC, DGM, GC, PG8, PM400III, DV5, VB53, GR400 (40-taper)Coolant-through takes the builder’s own knob | BT40 / CAT40 |
| Okuma | Okuma-Howa / MILLAC series (Millac 3-VA, 4-VA, 4-H; MILLAC V/H; MM-300, ML-300) | BT40 / CAT40 |
| Toyoda / JTEKT | FA, FV, FVN, FXN, JV, PV series, e500H4, UX570 (40-taper); FHN-40, FV-45, FVN-40Coolant-through takes the builder’s own knob | BT40 / CAT40 |
| Yasda | YBM, YPC, VPC series, H30i, H40 (40-taper)Coolant-through takes the builder’s own knob | BT40 / CAT40 |
| YCI / Yama Seiki (YCM) | YCM VMC-60A/72A, MAX3 and other YCI machines | BT40 / CAT40 / CAT50 |
T.J. Davies’s own machine guide lists this knob for Amera-Seiki (CAT40), A-trump (CAT40), Bridgeport (CAT40), Daewoo (CAT40), Enshu (CAT40), Hardinge (CAT40), Hurco (CAT40), KIA (CAT40), Makino (CAT40), Ooya (CAT40), Osaka Kiko - OKK (CAT40), Toyoda (CAT40), Tree (CAT40), Yasda (CAT40), YCI (CAT40), YCM (CAT40). 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
- 2.250"
- Knob Ø
- .588"
- Neck Ø
- .392"
- Flange to end of knob
- 1.266"
- Flange to start of thread
- .988"
- Thread
- 5/8-11
- Tightening socket
- RKS-BTCAT40