Live Spindles for Citizen A20 Type VII CNC Swiss Machines
Cross Drilling/Milling
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Cross Drilling / Milling | BSC-2330 | (1) ER11 (1) ER16 | 1:1 | A320VII | Double Ended |
Gang Slide | Cross Drilling / Milling | GSC-1110 | (1) ER16 | 1:1 | A320VII | |
Gang Slide | Cross Drilling / Milling | GSC-1110-4X | (1) ER08 | 1:3.8 | A320VII | Up to 30,000 RPM |
Sub Spindle | Cross Drilling / Milling | BSC-510-3X-L | (1) ER11 | 1:3 | A220VII | High Speed, Added Bearing |

CIT-BSC-2330 - Double ended double Z-axis ER11 & ER16 spindle for Citizen A20 Machines. Capable of adding up to 2 live tool positions. 1:1 gear ratio.

CIT-GSC-1110 - Standard Milling and Drilling Spindle for A3-20 Machines, ER16 collet taper, 1:1 gear ratio. Swiss made precision

CIT-GSC-1110-4X - High Speed Drill/Mill Spindle is a direct replacement for standard spindles and provides a 4X programmed speed output. Planetary gearing maintains low profile & unique sealing system prevents contamination of precision bearings. Uses a standard REGO FIX ER 8 Collet

CIT-BSC-510-3X-L - High Speed x-axis spindle designed for Citizen A20 VII Machines. Directly installs to the modular tool station with no retro fit. 1:3 gear ratio for 3X output. Uses REGO-FIX ER11 Collets.
Angle Drilling/Milling
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Angled Drilling / Milling | GSC-1310-HP | (1) ER16 | 1:1 | A320VII | High Pressure Coolant, G1/8 Fitting |
Gang Slide | Angled Drilling / Milling | BSA-107 | (1) ER11 | 1:1 | A220VII, A320VII | Only fits A2-20 |
Gang Slide | Angled Drilling / Milling | BSA-2010 | (6) ER16 | 1:1 | A320VII |

CIT-GSC-1310-HP - Cross Drilling and Milling head for A220 Machines. Output 1:1. Uses ER16 Collets. High Pressure Coolant Thru: Max Pressure 137 bar (1987 PSI)

CIT-BSA-107 - Angle drilling and milling head for Citizen A20 machines. 1:1 gear ratio. Adds angle feature generating capabilities. Adjustable 0-180 degrees. Uses ER11 collets. Note: Interferes with adjacent live tool station. Only fits A2-20.

CIT-BSA-2010 - Adjustable angle drilling and milling attachment. Features 0-21 degree adjustment. Adds up to 6 ER16 tool positions. Installs into T09 station. 1:1 gearing ratio.
Note: Cannot be used in conjunction with U153B optional backworking live tool post due to interference
End Drilling/Milling
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | End Drilling / Milling | BSE-1007 | (2) ER11 | 1:1 | A220VII, A320VII | Double Ended |
Gang Slide | End Drilling / Milling | BSE-207 | (2) ER11 | 1:1 | A220VII, A320VII | |
Gang Slide | End Drilling / Milling | BSE-2007 | (4) ER11 | 1:1 | A220VII, A320VII | Double Ended |
Gang Slide | End Drilling / Milling | BSE-2007-2X | (4) ER11 | 1:2 | A220VII, A320VII | Double Ended |
Gang Slide | End Drilling / Milling | BSE-3107 | (3) ER11 | 1:1 | A220VII, A320VII | |
Gang Slide | End Drilling / Milling | BSE-3206 | (6) ER11 | 1:1 | A220VII, A320VII | Double Ended |
Gang Slide | End Drilling / Milling | GSE-3307-3X | (1) ER08 | 1:3 | A320VII | High Speed |
Gang Slide | End Drilling / Milling | 5540-000285 | (3) ER11 | 1:1 | A20VII (3F7) | |
Gang Slide | End Drilling / Milling | 5540-000287 | (4) ER11 | 1:1 | A20VII (3F7) | Double Ended |
Gang Slide | End Drilling / Milling | 5540-000288 | (6) ER11 | 1:1 | A20VII (3F7) | Double Ended |
Gang Slide | End Drilling / Milling | 5540-000357 | (1) ER11 | 1:4 | A20VII (3F7) | High Speed |
Sub Spindle | End Drilling / Milling | GSE-3307-L-3X | (1) ER08 | 1:3 | A320VII | High Speed, Added Bearing |
Sub Spindle | End Drilling / Milling | MSC-507-4X * | (1) ER08 | 1:3.8 | A320VII | High Speed, Up to 30,000 RPM |
Sub Spindle | End Drilling / Milling | MSC-507-II * | (1) ER11 | 1:1 | A320VII | |
Sub Spindle | End Drilling / Milling | MSC-507-L * | (1) ER11 | 1:1 | A220VII, A320VII | Added Bearing |

CIT-GSE-3307-3X - High Speed Drilling/Milling spindle for subspindle live tooling positions. 1:3 gearing for 3X programmed output speed. Ideal for micro milling operations such as torx hexalobe socket milling. Directly gear driven for easy installation. Uses REGO FIX ER8 collets

CIT-GSE-3307-L-3X - High Speed Drilling/Milling spindle for subspindle live tooling positions. 1:3 gearing for 3X programmed output speed. Long body version for added bearing strength. Directly gear driven for easy installation. Uses REGO FIX ER8 collets

CIT-MSC-507-4X - High speed spindle for subspindle milling and drilling from the U153B live tooling positions on A3-20 Citizen machines. Good candidate for hexalobe socket milling. Increases speeds and feed capability to efficiently run micro tooling.1 :3.8 gear ratio. Uses ER8 collet

CIT-MSC-507-II - Standard backworking spindle, installs into U153B live tool post for end drilling and milling on subspindle side. Uses REGO-FIX ER11 Collets. Features MINI-NUT thread

CIT-MSC-507-L - End working drilling and milling spindle w/ extended reach for subspindle live tooling positions. 1:1 gear ratio. Uses ER11 collets.

CIT-BSE-1007 - Double ended z-axis ER11 spindle for Citizen A20 Machines. 1:1 gear ratio. Adds live tooling z-axis capability on the subspindle.

CIT-BSE-207 - Two Position Z-axis ER11 spindle for Citizen A20 machines. 1:1 gear ratio. features 2 stations facing the main guide-bushing/spindle.

CIT-BSE-2007 - Double ended double Z-axis ER11 spindle for Citizen A20 Machines. Capable of adding up to 4 live tool positions. 1:1 gear ratio. Adds 4 live tool positions

CIT-BSE-3107 - End working / face drill and milling spindle for Citizen A20 machines. Features 3 position ER11 spindles for working on the guide bushing side. 1:1 gear ratio

CIT-BSE-3206 - End working / face drill and milling spindle for Citizen A20 machines. Features 3 position ER11 spindles for working on the guide bushing side and 3 position ER11 for working on the subspindle side. 1:1 gear ratio
5540-000285
End drilling & milling spindle
Collet Size: ER11
Output: 1:1
Holds 3 tools
5540-000287
End drilling & milling spindle
Collet Size: ER11
Output: 1:1
Double-ended
Holds 4 tools
5540-000288
End drilling & milling spindle
Collet Size: ER11
Output: 1:1
Double-ended
Holds 6 tools
5540-000357
End drilling & milling spindle
Collet Size: ER11
Output: 1:4
Double-ended
High-Speed
Holds 1 tools
Polygon Milling
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Polygon Milling | BSP-509 | (1) Ø13 | 1:1 | A220VII | |
Gang Slide | Polygon Milling | BSP-512 | (1) Ø10 | 1:1 | A220VII | |
Gang Slide | Polygon Milling | 5540-000282 | 1:1 | A220VII |

CIT-BSP-509 - Polygon Milling Attachment for Citizen A20 machines. Arbor diameter: 13mm. Max cutter body diameter: 60mm, 1:1 gear ratio. Installs into position T09

CIT-BSP-512 - Polygon Milling Attachment for Citizen A20 machines. Arbor diameter: 10mm. Max cutter body diameter: 55mm, 1:1 gear ratio. Installs into position T09
5540-000282
Polygon Milling
Collet Size:
Output: 1:1
Double-ended
Holds 1 tools
Saw
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Slotting Saw | GSC-1307-DEC | (1) Ø16 | 1:1 | A320VII |

CIT-GSC-1307-DEC - Offset slitting saw attachment for holding 63mm OD x 16mm ID saw blades. 1:1 gear ratio.
Whirling
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Thread Whirling | BSW-215 | (1) Utilis | 1:1 | A220VII, A320VII |

CIT-BSW-215 - Thread whirling attachment. 12mm max thread diameter, +/-15 degree helix adjustment. 1:1 gear ratio. Compatible with Multidec-Whirl thread whirling tools from UTILIS.
Tool Holder
Position | Operation | Product No. | (#Tools) Size | Output | Machine | Other |
---|---|---|---|---|---|---|
Gang Slide | Tool Holder | GDF-1207-L | (4) Ø19.05 | 1:1 | A320VII | |
Gang Slide | Tool Holder | 5540-000280 | (3) Ø20 | 1:1 | A320VII | |
Gang Slide | Tool Holder | 5540-000281 | (3) Ø19.05 | 1:1 | A320VII | |
Gang Slide | Tool Holder | 5540-000317 | (1) 12mm | 1:1 | A320VII | |
Gang Slide | Tool Holder | 5540-000358 | (3) Ø19.05 | 1:1 | A320VII | |
Gang Slide | Tool Holder | 5540-000359 | (3) Ø20 | 1:1 | A320VII |

CIT-GDF-1207-L - Static tool post replaces standard milling spindle and adds up to 4 collet sleeve positions for extra ID tool capacity. Can be paired with double ended holders for simultaneous sub-spindle drilling and boring operations. Features 4, 3/4" diameter tool positions.
5540-000280
Tool Holder
Collet Size: Ø20mm
Holds 3 tools
5540-000281
Tool Holder
Collet Size: Ø19.05mm
Holds 3 tools
5540-000317
Tool Holder
Shank Size: 12mm
Holds 1 turning tool
5540-000358
Tool Holder
Shank Size: Ø19.05mm
Holds 3 tools
5540-000359
Tool Holder
Shank Size: Ø20
Holds 3 tools