Mongtec M1227 — BMT65 radial driven tool holder

M1227 is a radial driven (live) tool holder for the BMT65 turret interface, using ER40 collets, rated to 5,300 rpm and 100 Nm. Mongtec Precision is a Taiwanese brand, designed and engineered in Taichung, Taiwan.

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Specification

Article number	M1227
Turret interface	BMT65 — BMT (Base Mount Turret, flange mount)
Configuration	Radial Tool Holders-b65
Orientation	Radial
Collet system	ER40
Drive ratio	1:1
Max spindle speed	5,300 rpm
Max torque	100 Nm
Brand	Mongtec Precision Inc. — Taiwanese brand, designed and engineered in Taichung, Taiwan

Source: Mongtec VDI & BMT Driven Tools catalogue, Ver 2026.07.

Mongtec BMT axial driven tool holder with ER collet nut, front view

Mongtec BMT driven tool holder with ER25 collet chuck

Representative photographs of Mongtec driven tooling in this class — production units, not renderings. Shown as examples of the BMT65 family, not as a photograph of M1227 itself.

What M1227 does on the machine

The driven spindle points at 90° to the lathe spindle, along the X axis. This is the configuration for cross drilling, cross tapping and slotting on the outside diameter.

Gear ratio 1:1 — tool spindle speed equals turret drive speed. The direct relationship makes speeds and feeds straightforward to calculate from the machine's live-tool rating.

Do not order against the label alone. “BMT65” identifies the nominal turret class, but BMT is an industry de-facto standard — it is not published by ISO or DIN. Bolt circle, key position and drive coupling can differ between machine builders at the same nominal size. Send Mongtec your machine model and a photograph of the turret face — engineering checks M1227 against the actual turret drawing before anything is quoted. That check is free and takes one email.

Machines with a BMT65 turret

Mongtec publishes tooling pages for these machines with a declared BMT65 turret. Confirming your model here does not confirm M1227 as the article number — that still comes from engineering.

Other BMT65 holders in the same configuration

Article no.	Collet	Ratio	Max speed	Torque
M0227	ER32	1:1	6000 rpm	70 Nm
M6227	ER32	1:1	6000 rpm	70 Nm
M7127	ER32	1:1	6000 rpm	70 Nm
M2527	ER32	1:1	6000 rpm	70 Nm
M5127	ER32	1:1	6000 rpm	70 Nm
M8427	ER32	1:1	6000 rpm	70 Nm

Related BMT65 configurations

M3227 — Axial Tool Holders-b65, Internal/through Coolant
M3427 — Axial Tool Holders-b65, Internal/through Coolant
M4027 — Axial Tool Holders-b65, Internal/through Coolant
M7427 — Axial Tool Holders-b65, Internal/through Coolant

Frequently asked

What machines does the Mongtec M1227 fit?

M1227 is built for the BMT65 turret interface. Because BMT is an industry de-facto standard rather than an ISO or DIN published standard, bolt circle, key position and drive coupling can differ between machine builders even at the same nominal size. Send Mongtec your machine model and a photo of the turret face and engineering confirms the fit before anything is quoted.

What speed and torque can M1227 run?

M1227 is rated to 5,300 rpm with 100 Nm of torque at a 1:1 drive ratio. The usable figure is whichever is lower: this rating or your machine's live-tool drive rating.

What collet does M1227 take?

M1227 takes ER40 collets. Collets and nuts are supplied separately; specify the shank diameters you intend to run and Mongtec quotes the collet set with the holder.

Is a dimensioned drawing available for M1227?

Yes. Mongtec supplies the full dimensioned drawing for M1227 by email once an enquiry is open, so the drawing is matched to your actual machine and turret configuration rather than a generic sheet.

Get M1227 quoted

Send the machine model, the turret station you want to use and the tools you intend to run. Anything you do not know, Mongtec works out from the machine model — an incomplete enquiry is still worth sending. Dimensioned drawings for M1227 are supplied by email once the enquiry is open.

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All BMT65 article numbers · How to choose a driven tool holder · All turret interfaces