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Tool holders for Citizen Cincom Swiss-type lathes — part number cross-reference

Mongtec makes 34 tool holders for Citizen Cincom sliding-headstock (Swiss-type) lathes: Cincom A20, Cincom A32, Cincom L12, Cincom L16, Cincom L20, Cincom L32, Cincom M16, Cincom M20, Cincom M32. For 14 of them the catalogue lists the Citizen Cincom part number they are built to replace. Mongtec Precision is a Taiwanese brand headquartered in Taichung, Taiwan, and is not affiliated with Citizen Cincom.

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At a glance

Machine seriesCincom A20, Cincom A32, Cincom L12, Cincom L16, Cincom L20, Cincom L32, Cincom M16, Cincom M20, Cincom M32
Holder typesTurning Tool Holder, Axial Live Tool Holder, Side-Lock Tool Holder, Backworking Radial Milling Holder, Axial Drilling Holder, Live Tool Holder, Backworking Drilling Holder, 3x-Speed Backworking Live Tool Holder, 3x-Speed Live Tool Holder, Polygon Milling Tool Holder, Adjustable-Angle Axial Live Tool Holder, 4x-Speed Live Tool Holder, Whirling Tool Holder, Deep-Hole Drilling Holder, Backworking Live Tool Holder, Radial Milling Spindle, 4x-Speed Straight-Shank Live Tool Holder, Drilling Holder
Gear ratios1:0.9, 1:1, 1:3, 1:4
Maximum speed4,000–40,000 rpm
ColletsER11, ER16
CatalogueCitizen Cincom Swiss Type Toolholders — Ver.2026.09, 19 pages, PDF

Citizen Cincom part number → Mongtec model

Citizen Cincom part no.Mongtec modelHolder typeCompatible machines
BSE607BSE707-10130Axial Live Tool HolderA20VII(2F7/3F7)/A32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
BSE707BSE707-11130Axial Live Tool HolderA20VII(2F7/3F7), A32(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
CSM4-01L20VII-10310Live Tool HolderL16/L20(5M7/7M7)/L20E(1M8/1M9)/L20X(1M10)/M20III/M32III(2M3)/M20III/M20V/M32III/M32V(3M3/3M5)
CSM4-03A20-10310Live Tool HolderA20VII(2F7/3F7)/32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
GDF507L220E-11030Axial Drilling HolderL20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
GDS107GDS107-31010Backworking Drilling HolderL20X(1M10)
GDS210GDS210-31010Backworking Drilling HolderL20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
GSC1010L20VII-10310Live Tool HolderL16/L20(5M7/7M7)/L20E(1M8/1M9)/L20X(1M10)/M20III/M32III(2M3)/M20III/M20V/M32III/M32V(3M3/3M5)
GSC1110A20-10310Live Tool HolderA20VII(2F7/3F7)/32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
GSC1310A20-10310Live Tool HolderA20VII(2F7/3F7)/32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
GSC510L20VII-10310Live Tool HolderL16/L20(5M7/7M7)/L20E(1M8/1M9)/L20X(1M10)/M20III/M32III(2M3)/M20III/M20V/M32III/M32V(3M3/3M5)
GSE1810L32-11130Axial Live Tool Holder
GSE1910L32-30210Backworking Radial Milling HolderL32(1M9/1M10)
GSE3307L20E-30310Backworking Live Tool HolderA20VII(3F7)/A32VII(2M7)/L12VII(1M7) L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)/M16(4M5/4M7/4M8)
GSE3607GSE3607-15130Adjustable-Angle Axial Live Tool HolderL12VII
GSS1330GSS1530-30210Backworking Radial Milling HolderA20VII(3F7)/A32VII(2M7)/L12VII(1M7)/L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
GSS1530GSS1530-30210Backworking Radial Milling HolderA20VII(3F7)/A32VII(2M7)/L12VII(1M7)/L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
MSC507L20E-30310Backworking Live Tool HolderA20VII(3F7)/A32VII(2M7)/L12VII(1M7) L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)/M16(4M5/4M7/4M8)
SAU825SAU825-31310Side-Lock Tool HolderA32VII(2M7)/L32(1M8/1M9/1M10/1M12)
SAU919SAU919-31310Side-Lock Tool HolderL20X(1M10)/L20XII(2M8/2M9/2M10/2M12)

Find a holder by machine series

Each row lists every Mongtec holder the catalogue gives for that machine series. The full table below shows the exact machine versions.

Machine seriesMongtec holders
Cincom A20A20-23310, BSE707-10130, BSE707-11130, A20-10310, A20-10810, A20-22021, L20E-33310, L20E-30310, GSS1530-30210
Cincom A32A20-23310, BSE707-10130, BSE707-11130, A20-10310, A20-10810, A20-22021, SAU825-31310, L20E-33310, L20E-30310, GSS1530-30210
Cincom L12GSE3607-15130, L20E-33310, L20E-30310, GSS1530-30210
Cincom L16L20VII-10310, GTF3512-11030
Cincom L20A20-23310, BSE707-10130, BSE707-11130, L220E-11030, A20-10310, L20VII-10310, A20-10810, L20E-15510-1, GDS107-31010, GDS210-31010, SAU919-31310, L20-51510, L20-51510-1, L20-51510-2, L20-11510, L20E-33310, L20E-30310, GSS1530-30210, GTF3512-11030
Cincom L32A20-23310, BSE707-10130, BSE707-11130, L220E-11030, A20-10310, A20-10810, L20E-15510-1, SAU825-31310, L32-51510, L32-51510-1, L32-51510-2, L32-30210
Cincom M16L20E-33310, L20E-30310
Cincom M20L20VII-10310
Cincom M32A20-23310, A20-10310, L20VII-10310, A20-10810

All 34 models in the catalogue

Mongtec modelHolder typeCitizen Cincom part no.Gear ratioMax. speedColletCompatible machines
A20-233103x-Speed Live Tool Holder1:318,000 rpmER11A20VII(2F7/3F7)/32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
BSE707-10130Axial Live Tool HolderBSE6071:16,000 rpmER11A20VII(2F7/3F7)/A32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
BSE707-11130Axial Live Tool HolderBSE7071:16,000 rpmER11A20VII(2F7/3F7), A32(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
L220E-11030Axial Drilling HolderGDF507L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
A20-10310Live Tool HolderGSC1110 / GSC1310 / CSM4-031:17,000 rpmER16A20VII(2F7/3F7)/32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
L20VII-10310Live Tool HolderGSC510 / GSC1010 / CSM4-011:18,000 rpmER16L16/L20(5M7/7M7)/L20E(1M8/1M9)/L20X(1M10)/M20III/M32III(2M3)/M20III/M20V/M32III/M32V(3M3/3M5)
A20-10810Polygon Milling Tool Holder1:16,000 rpmA20VII(2F7/3F7), A32VII(1M7/2M7)/L20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)/M32(4M3/4M5/4M7/4M8)
GSE3607-15130Adjustable-Angle Axial Live Tool HolderGSE36071:110,000 rpmER11L12VII
GSE3507-343104x-Speed Live Tool Holder1:440,000 rpmER11
L20E-15510-1Whirling Tool Holder1:14,000 rpmL20XII(2M8/2M9/2M10/2M12)/L32(1M8/1M9/1M10/1M12)
L32-11130Axial Live Tool HolderGSE18101:16,000 rpmER16
GSE3607-11030Axial Drilling Holder
A20-22021Deep-Hole Drilling HolderER16A20VII(2F7/3F7)/32VII(1M7/2M7)
GDS107-31010Backworking Drilling HolderGDS107ER11L20X(1M10)
GDS210-31010Backworking Drilling HolderGDS210ER16L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
SAU825-31310Side-Lock Tool HolderSAU825A32VII(2M7)/L32(1M8/1M9/1M10/1M12)
SAU919-31310Side-Lock Tool HolderSAU919L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
L20-51510Turning Tool HolderL20
L20-51510-1Turning Tool HolderL20
L20-51510-2Turning Tool HolderL20
L20-11510Turning Tool HolderL20
L32-51510Turning Tool HolderL32
L32-51510-1Turning Tool HolderL32
L32-51510-2Turning Tool HolderL32
L20E-333103x-Speed Backworking Live Tool Holder1:318,000 rpmER11A20VII(3F7)/A32VII(2M7)/L12VII(1M7)/L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)/M16(4M5/4M7/4M8)
L20E-30310Backworking Live Tool HolderGSE3307 / MSC5071:110,000 rpmER11A20VII(3F7)/A32VII(2M7)/L12VII(1M7) L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)/M16(4M5/4M7/4M8)
GSS1530-30210Backworking Radial Milling HolderGSS1330 / GSS15301:0.95,000 rpmER11A20VII(3F7)/A32VII(2M7)/L12VII(1M7)/L20E(1M8/1M9)/L20X(1M10)/L20XII(2M8/2M9/2M10/2M12)
L32-30210Backworking Radial Milling HolderGSE19101:16,000 rpmER16L32(1M9/1M10)
GSC1507-30210Backworking Radial Milling Holder1:15,000 rpmER11
L20VII-133103x-Speed Backworking Live Tool Holder1:318,000 rpmER11
L20VII-10310-1Radial Milling Spindle6,000 rpmER11
GSC1310-243104x-Speed Straight-Shank Live Tool Holder1:440,000 rpmER11
GTF3512-11030Drilling HolderL16/L20(L1620/L71620)
SAU819-31310Side-Lock Tool Holder

Source: Citizen Cincom Swiss Type Toolholders, Ver.2026.09. A dash means the catalogue does not state the value; it is confirmed at RFQ. Main dimensions are in the PDF; dimensioned drawings are supplied by email once the enquiry is open.

How to use this cross-reference

  1. Find the Citizen Cincom part number on the holder you use now, or in the machine's tooling list.
  2. Read across to the Mongtec model and check that your machine series is listed.
  3. Send us the machine model, the station and the part number. Mongtec engineering confirms the fit before quoting.

Frequently asked

Does Mongtec make a replacement for Citizen Cincom GSE3607?

Yes. Mongtec GSE3607-15130 is built to the Citizen Cincom reference GSE3607. The cross-reference table above lists every Citizen Cincom part number in the current catalogue; fit in your machine is confirmed by Mongtec engineering at RFQ.

Which Mongtec holders fit the Citizen Cincom L20?

The catalogue lists 19 holders for the Cincom L20: A20-23310, BSE707-10130, BSE707-11130, L220E-11030, A20-10310, L20VII-10310, A20-10810, L20E-15510-1, GDS107-31010, GDS210-31010, SAU919-31310, L20-51510, L20-51510-1, L20-51510-2, L20-11510, L20E-33310, L20E-30310, GSS1530-30210, GTF3512-11030.

My part number is not in the table. Can Mongtec still supply it?

A part number missing from the catalogue does not mean Mongtec cannot make it. Send the part number of the holder you use now, or a competitor's part number, and engineering will work out the matching holder and quote it.

Where do I get dimensions and drawings?

Main dimensions are in the free PDF catalogue on this page. Dimensioned drawings for a specific holder are supplied by email once the enquiry is open.

Download the Citizen Cincom catalogue (PDF)

Citizen Cincom Swiss Type Toolholders

Citizen Cincom Swiss Type Toolholders (PDF)

Citizen Cincom Swiss Type Toolholders — Ver.2026.09, 19 pages, PDF · Free download, no registration.

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Send the machine model, the station you want to use and the part number you are replacing. An incomplete enquiry is still worth sending: Mongtec works out the rest from the machine model.

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All Swiss-type toolholders · Citizen Cincom machines · All catalogues

Citizen Cincom is a trademark of its owner. Part numbers and machine names are quoted only to identify compatibility; Mongtec is an independent tooling brand.

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