Question 1

Which turret interface do Hardinge lathes use?

Accepted Answer

It depends on the machine, not on the brand. Across the 20 Hardinge models documented on this site the published interfaces are: BMT45 on 6 models (such as GS 42 MT/MS, GS 51 MT/MS, T-42 M/MT/MY/MYT/MS/MSY); BMT65 on 4 models (such as GS 200 / 250 MSY, GS 200 MSY, GS 250 MSY); VDI40 on 3 models (such as GS 200-66, GS 250); VDI30 on 2 models (such as GS 150); BMT55 on 2 models (only SUPER-PRECISION T-65 - BMT-55, T-51 / T-65 M/MT/MY/MYT/MS/MSY). A further 4 models are not yet published with an interface and are confirmed per configuration at RFQ. Some models appear under more than one interface because the same designation ships with different turret options. Send the model designation and turret station count and Mongtec engineering confirms it against the actual turret drawing.

Question 2

Hardinge machines appear with both BMT and VDI — which applies to mine?

Accepted Answer

Both families exist across the range, so the model name alone does not settle it. This page documents BMT45, BMT55, BMT65 and VDI30/VDI40 machines. Send the model designation and turret station count, or a photo of the turret face, and engineering confirms the interface before quoting.

Question 3

Will a Mongtec driven tool holder fit my Hardinge turret?

Accepted Answer

Mongtec supplies on the same open machine-side standards Hardinge turrets use — BMT face-and-taper, VDI polygonal shank to DIN 69880, and PSC polygon coupling to ISO 26623. Because BMT is an industry de-facto standard rather than an ISO or DIN standard, fitment is confirmed per machine: send the model designation and turret station count (a photo of the turret face or the machine spec sheet helps) and Mongtec engineering confirms it against the actual turret drawing before quoting.

Question 4

My Hardinge model is not in the list above — can you still supply?

Accepted Answer

In most cases yes. The list covers models already documented by Mongtec; it is not the limit of what Mongtec can supply. Custom and special-configuration units are a standard part of the work, and Mongtec supplies turret interfaces beyond the article numbers published on this site. Send the model designation and turret station count and engineering will confirm.

Question 5

Do you supply static holders and boring bar holders as well as driven tools?

Accepted Answer

Yes. Static turning, boring bar, facing, cut-off and blank holders are supplied on the same turret interfaces as the driven units, alongside quick-change tooling and angle heads.

Question 6

What is the lead time?

Accepted Answer

Mongtec does not publish a blanket lead time. It is confirmed according to the items and quantities the customer requests, once interface, quantity and any customisation are reviewed. Request a quote for a project-specific answer.

Question 7

Does Mongtec repair driven tools from other brands used on Hardinge machines?

Accepted Answer

Mongtec's Taiwan service centre works on driven tool holders and angle heads. Whether a specific third-party brand and model is covered is confirmed case by case on request.

Turret	Holder type	Type designation	C	K	G	H	X	A	B	E	Weight
BMT40	OD	C5520	75	97	55	25	25	12	50	60	2.20 kg
BMT40	ID	B6025	63	94	82	60	25	12	50	60	3.20 kg
BMT45	OD	C6020	75	110	60	20	20	15	58	58	2.49 kg
BMT45	OD	C7020	85	110	70	20	20	15	58	58	3.43 kg
BMT45	OD	C8025	85	110	80	25	25	15	58	58	3.92 kg
BMT45	ID	B6040	75	95	88	60	40	15	58	58	3.50 kg
BMT45	ID	B6532	75	95	88	65	32	15	58	58	3.35 kg
BMT45	ID	B8032	75	95	110	80	32	15	58	58	4.43 kg
BMT45	Face	F6020	75	85	60	20	20	15	58	58	2.26 kg
BMT45	Face	F7032	90	86	70	32	32	15	58	58	3.20 kg
BMT45	Face	F8020	75	85	80	20	20	15	58	58	3.04 kg
BMT45	Face	F8525	90	86	85	25	25	15	58	58	3.82 kg
BMT55	OD	C6020	90	115	60	20	20	15	64	64	3.29 kg
BMT55	OD	C8020	86	120	80	20	20	15	64	64	4.34 kg
BMT55	OD	C8025	95	120	80	25	25	15	64	64	4.30 kg
BMT55	OD	C8032	86	120	80	32	32	15	64	64	4.34 kg
BMT55	Double OD	C8020	92	120	80	20	21	15	64	64	5.60 kg
BMT55	ID	B6032	86	105	90	60	32	15	64	64	5.10 kg
BMT55	ID	B6040	86	105	90	60	40	15	64	64	5.10 kg
BMT55	ID	B7032	86	105	100	70	32	15	64	64	5.96 kg
BMT55	ID	B7040	86	105	100	70	40	15	64	64	4.90 kg
BMT55	ID	B8032	86	105	109	80	32	15	64	64	5.80 kg
BMT55	ID	B8540	86	105	115	85	40	15	64	64	5.80 kg
BMT55	Face	F7020	90	95	70	20	20	15	64	64	3.51 kg
BMT55	Face	F7025	86	95	70	25	25	15	64	64	3.35 kg
BMT55	Face	F8032	86	95	80	32	32	15	64	64	3.82 kg
BMT55	Face	F8520	92	95	85	20	20	15	64	64	4.06 kg
BMT55	Face	F8525	92	95	85	25	25	15	64	64	4.45 kg
BMT65	OD	C7520	96	131	75	20	20	18	73	70	4.97 kg
BMT65	OD	C7525	95	131	75	25	25	18	73	70	4.97 kg
BMT65	OD	C8025	95	131	80	25	25	18	73	70	5.25 kg
BMT65	Double OD	C7520	97	131	75	20	21	18	73	70	6.10 kg
BMT65	ID	B6032	86	105	90	60	32	15	64	64	5.10 kg
BMT65	ID	B6040	86	105	90	60	40	15	64	64	5.10 kg
BMT65	ID	B7032	86	105	100	70	32	15	64	64	5.96 kg
BMT65	ID	B7040	86	105	100	70	40	15	64	64	4.90 kg
BMT65	ID	B8032	86	105	109	80	32	15	64	64	5.80 kg
BMT65	ID	B8540	86	105	115	85	40	15	64	64	5.80 kg
BMT65	Face	F7025	95	106	70	25	25	18	93	70	4.13 kg
BMT65	Face	F9525	96	105	95	25	25	18	73	70	5.62 kg
BMT75	OD	C8525	112	140	85	25	25	25	90	90	7.00 kg
BMT75	OD	C8032	112	152.5	80	30	32	25	90	90	7.14 kg
BMT75	ID	B9050	112	120	130	90	50	25	90	90	9.80 kg
BMT75	ID	B11050	112	115	150	110	50	25	90	90	9.80 kg
BMT75	ID	B11060	112	135	1156	110	60	25	90	90	12.30 kg
BMT75	Face	F7025	112	135	70	25	25	25	90	90	6.20 kg
BMT75	Face	F7032	112	120	70	32	32	25	90	90	5.46 kg
BMT75	Face	F12225	112	135	122	25	25	25	90	90	10.76 kg
BMT75	Face	F13532	112	120	135	32	32	25	90	90	10.61 kg

Turret interfaces supplied	BMT (face-and-taper), VDI polygonal shank to DIN 69880, and PSC polygon shank coupling to ISO 26623
Driven tool speed	6,000–12,000 rpm standard; up to 32,000 rpm with speed increaser
Max torque	Up to 160 Nm (line capability; unit rating confirmed at RFQ)
Coolant	Internal / external, up to 100 bar
Runout	≤0.003 mm published for the Mazak-compatible 0° driven tool line; other families confirmed at RFQ
Bearings / gearing	Imported P4/P5 precision bearings; precision-ground spiral bevel gear pairs
Product types	Driven holders (axial / radial / adjustable-angle), static holders, boring bar holders, custom configurations
Lead time	No blanket published figure — quoted per order after interface, quantity and customisation are reviewed

Hardinge CNC Turning Centers — Mongtec Tooling Compatibility

Supported Hardinge models

Mongtec static turret toolholders

Mongtec driven tool line — at a glance

What to send for a quote

FAQ

Mongtec resources for Hardinge users