Mongtec M3046 – VDI25 Radial Driven Tool Holder, ER20

M3046 is a radial driven (live) tool holder for the VDI25 turret interface, using ER20 collets, rated to 6,000 rpm and 25 Nm. Mongtec Precision is a Taiwanese brand, designed and engineered in Taichung, Taiwan.

Specification

Article number	M3046
Turret interface	VDI25 — VDI per DIN 69880 (cylindrical shank)
Configuration	Radial Tool Head, FOR Radial Disc
Orientation	Radial
Collet system	ER20
Drive ratio	1:1
Max spindle speed	6,000 rpm
Max torque	25 Nm
Brand	Mongtec Precision Inc. — Taiwanese brand, designed and engineered in Taichung, Taiwan

Group of Mongtec BMT driven tool holders showing drive coupling and collet ends

Mongtec driven tool holder model M3506 with knurled output collar

Representative photographs of Mongtec driven tooling in this class — production units, not renderings. Shown as examples of the VDI25 family, not as a photograph of M3046 itself.

What M3046 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.

Radial-disc mounting — mounts to the turret's radial disc rather than a standard station.

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. “VDI25” fixes the shank per DIN 69880, but pocket depth, clamping system and drive coupling still vary between machine builders. Send Mongtec your machine model and a photograph of the turret face — engineering checks M3046 against the actual turret drawing before anything is quoted. That check is free and takes one email.

Machines with a VDI25 turret

Mongtec publishes tooling pages for these machines with a declared VDI25 turret. Confirming your model here does not confirm M3046 as the article number — that still comes from engineering.

Other VDI25 holders in the same configuration

Related VDI25 configurations

Frequently asked

What machines does the Mongtec M3046 fit?

M3046 is built for the VDI25 turret interface. Because VDI shank dimensions follow DIN 69880, but turret pocket depth, clamping system and drive coupling still vary between machine builders. 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 M3046 run?

M3046 is rated to 6,000 rpm with 25 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 M3046 take?

M3046 takes ER20 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 M3046?

Yes. Mongtec supplies the full dimensioned drawing for M3046 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 M3046 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 M3046 are supplied by email once the enquiry is open.

Mongtec M3046 — VDI25 radial driven tool holder