Used Hermle/Deckel Fw 801/Fw 710/Fp 2 for sale (77,439)

Condition: good (used), Year of construction: 1973, Deckel FP2 tool milling machine with 2-axis Heidenhain digital readout, rigid table, SK 40 spindle holder. Long sliding milling head, accessories: various collets and milling arbors, counter holder. Good working condition, can be demonstrated under power by arrangement. Ppjdsumclajpfx Ahlst

Condition: as good as new (ex-display), Year of construction: 1988, functionality: fully functional, machine/vehicle number: 2801 002016, travel distance X-axis: 300 mm, travel distance Y-axis: 300 mm, travel distance Z-axis: 400 mm, spindle speed (max.): 6,300 rpm, spindle speed (min.): 31 rpm, quill stroke: 80 mm, rapid traverse X-axis: 4 m/min, rapid traverse Y-axis: 4 m/min, rapid traverse Z-axis: 4 m/min, table width: 620 mm, table length: 390 mm, table load: 250 kg, overall weight: 1,700 kg, space requirement width: 1,800 mm, space requirement length: 1,400 mm, space requirement height: 1,800 mm, input frequency: 50 Hz, Equipment: documentation/manual, The machine is very stable and robust in its design and construction. Thanks to its good accessibility, it is extremely user-friendly. The machine can also be operated using mechanical handwheels. CNC Contouring Control DECKEL Dialog 4 Ppedpfjywhvhex Ahlot Easy-to-program 3D path control with color graphic support, dialog-guided cycle input, contour calculator, editor functions, clear program and tool management, and the option for parallel programming. Travel distances X / Y / Z: 300 / 300 / 400 mm Tool holder: SK40 DIN 69872 Clamping system: Hydromechanical clamping system SK40 with pull stud according to DIN 2080 or DIN 69872 Working spindle: Vertical and horizontal. Manual quill stroke: vertical 80 mm and horizontal 65 mm. Milling head: Manually swiveling +/- 90° Speed range: 31.5–6300 rpm stepless, geometrically stepped direct gearbox for maximum torque and milling performance at the working spindle. Direct gearbox for maximum torque and milling performance at the spindle. Feed rate: 2–3600 mm/min, infinitely variable feed Rapid traverse: 4000 mm/min Angular table: 620 x 390 mm, max. load 450 kg

Condition: excellent (used), functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 440 mm, rapid traverse X-axis: 400 m/min, rotational speed (min.): 2,500 rpm, controller manufacturer: HEIDENHAIN TNC 123, The machine is in very good condition. Immediately ready for use. Ppedpeyxpraefx Ahlot

Condition: good (used), Electric motor, three-phase motor, brake motor -Manufacturer: Siemens, electric motor type 1LC3113-4BB23 Z from milling machine Deckel FP4L -Power: 4.0 kW -Speed: 1435 rpm -Design: B14 -Protection class: IP 44 -Brake: multi-disc brake type EK5dB24 Ppsdpeul H Dwofx Ahljt -Dimensions: 575/270/H225mm -Weight: 64 kg

Condition: excellent (used), feed length X-axis: 400 mm, feed length Y-axis: 200 mm, feed length Z-axis: 400 mm, For sale is a conventional milling machine of the brand Deckel and type FP2 The machine is in very good condition, has been overhauled by the Harich company (date unknown) and is ready for immediate use Technical data Tool holder: SK 40 Travel X/Y/Z: 400 / 200 / 400 mm Speed range: 40 - 2000 rpm Vertical spindle travel: 60 mm Horizontal spindle travel: 100 mm Feed rates: 8 - 400 mm/rev Table size: 700 x 330 mm Motor power: 2.2 kW Connection: 400 V / 16 A plug Weight: approx. 1300 kg Vice and tools are NOT included in the offer, but can be offered. On request, transportation and loading can be organized for an extra charge. can be organized throughout Europe. Prices plus VAT Viewing possible by appointment. Contact us, our team will be happy to help you. Pedpfx Asu Ti Akshlopt Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Year of construction: 1968, condition: good (used), For sale is a milling machine Deckel brand from 1968 The machine is in a good to very good condition and fully functional (No digital display but can be mounted additionally on request) Technical data: Tool holder: SK 40 Travel X/Y/Z: 400 / 200 / 400 mm speed range: 40 - 2000 rpm spindle travel vertical: 60 mm Ppjdpfxoihf Etj Ahlst spindle travel horizontal: 100 mm feeds: 8 - 400 mm/rev table size: 700 x 330 mm motor power: 2,2 kW connection: 400 V / 16 A plug weight: approx. 1300 kg All prices plus VAT Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES ETC. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For more information or to contact us, please visit our website

Condition: used, Year of construction: 1985, functionality: fully functional, table length: 680 mm, table width: 380 mm, table height: 345 mm, For sale is a Deckel milling table, which was installed on an FP2 milling machine. Ppedpfx Ahjuuh Sujlst The angle and rotation functions are fully functional, unfortunately there is no longer a crank. Signs of use on surface recognizable on pictures Dimensions: 38*68 cm Height: 25 cm

Condition: good (used), For sale is a Deckel FP2 with high-speed milling head (V-belt drive with gear ratio) The machine was only used for copper & graphite processing, so it is not subjected to heavy use The machine is ready for use and fully functional A digital display can be retrofitted for an additional charge. The machine can also be sold without a milling head. Partial device NOT included Accessories available for an additional charge Tool holder: SK 40 Travel paths X/Y/Z: 400 / 200 / 400 mm Speed range: 40 - 2000 rpm Vertical spindle travel: 60 mm Horizontal spindle travel: 100 mm Feed rates: 8 - 400 mm/rev Table size: 700 x 330 mm Motor power: 2.2 kW Connection: 400 V / 16 A plug Weight: approx. 1300 kg All prices plus VAT Machine purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For more information or contact options, visit us on our website Podpfelz R Iwox Ahlept

Condition: excellent (used), functionality: fully functional, machine/vehicle number: 2836-0192, Machine in good used condition, Dialog 11 control. Until recently, it was only rarely in operation in our own workshop. Documentation/manuals etc. are available. Additional accessories, cutters, zero point probes, etc. can be purchased optionally. Pedpfxeylawxs Ahlopt

Condition: used, x-travel 800 mm y-travel 400 mm z-travel 300 mm digital readout Heidenhain table surface area 1000 x 520 mm turning speed range 40 x 2000 U/min spindle taper SK 40 Ppjdpfxjqpl Uuo Ahljt total power requirement 2,2 kW weight of the machine ca. 2,2 t dimensions of the machine ca. 1700 x 1600 x 1800 m

Condition: like new (used), Year of construction: 2013, functionality: fully functional, Universal milling machine Deckel FP2 repowered by FPS built in 2013 with 3-axis digital readout Heidenhain ND 780 As good as new !!! Technical data: >> Machine no. 2202-7020 FPS no. 3364 Year of construction 2013 >> Rigid angle table >> Speed: 40 - 2000 rpm >> Feed and rapid traverse in 3 axes >> Drive power .:2.2 KW >> Travel X/Y/Z: 400/200/400 mm >> Equipment: Vertical & horizontal spindle Pedpfx Asvbifgehljpt >> Vertical quill and horizontal quill extendable - SK- 40 >> Tightening system S20x2 >> Weight approx. 1100 kg Accessories and equipment: >> 3-axis digital readout Heidenhain ND 780 >> Brake motor with immediate spindle stop >> Central lubrication >> 2 x emergency stop >> Operating instructions >> Coolant device To the machine : We offer a universal milling machine Deckel FP2 repowered by FPS in mint condition. The Deckel is equipped with a brake motor for immediate spindle stop. The machine has an electric central lubrication system. With two emergency stop switches for safety. Mechanically and electrically tested as of 2013. The Heidenhain digital display makes work easier and even more accurate. Take the opportunity to inspect and try out the lids under power on site. The machine is available immediately.

Condition: good (used), Year of construction: 1964, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 200 mm, travel distance Z-axis: 400 mm, spindle speed (max.): 200 rpm, spindle speed (min.): 40 rpm, input frequency: 50 Hz, Machine is in good condition! Ppsdpfjilg H Esx Ahlst Tool holder: SK 40 travels X/Y/Z: 500 / 200 / 400 mm speed range: (18 steps) 40 - 2000 rpm spindle stroke vertical: 60 mm spindle stroke horizontal: 100 mm feeds: 8 - 400 mm/rev table size: 700 x 300 mm motor power: 2,2 kW connection: 400 V / 16 A plug weight: approx. 1300 kg space requirement LxWxH, approx.: 1200 x 1250 x 1670 mm head swivels: 90° / 90 Equipment: - 3-axis digital display - Coolant device We would be pleased to demonstrate the machine under power on site. All data without guarantee. Subject to prior sale. The object of purchase is sold under exclusion of any warranty. The exclusion does not apply to claims for damages arising from grossly negligent or intentional breach of obligations of the seller and for any injury to life, limb and health.

Condition: used, Counter bearing and adapter for milling machine for horizontal milling Counter bearing and adapter (counterholder) for DECKEL milling machine (Bearing block with dovetail mounting adapter DECKEL FP1 + FP2) Type 9570 Dovetail width, narrow: approx. 72 mm Dovetail width, wide: approx. 88 mm Dovetail height: approx. 15 mm Length (bearing block): 133 mm Width (bearing block): 50 mm Ppsdexcbl Dspfx Ahljt Total height (bearing block): 105 mm Bearing bore: Ø 17 mm (with bronze bearing bushing) Distance from bore axis to dovetail mounting face: approx. 82.5 mm (center height) - Adapter fits dovetail and mounting surface, raises center height by 22.5 mm to 105 mm Total length (dovetail rail): 635 mm Weight: 3.8 kg Very good condition

Condition: excellent (used), functionality: fully functional, Equipment: documentation/manual, F736 Universal milling machine Deckel FP1 with 3-axis active digital readout TNC 111 Heidenhain 2008 Retrofit at FA Huttelmaier Very good CONDITION Technical data: >> Year of construction 1985 Machine no. 2102-2891 >> Rigid angle table >> Speed: 40 - 2000 rpm >> Infinitely variable feed in 3 axes >> Rapid traverse in 3 axes >> Drive power .:1,5 / 1,9 KW Ppodou Nvwvepfx Ahlot >> Spindle brake >> Travel X/Y/Z: 300/160/340 mm >> Vertical milling head can be moved 100 mm on headstock >> Vertical quill and horizontal quill - SK40 >> Tightening system S20x2 >> Weight approx. 800 kg Accessories and equipment: >> 3-axis digital readout Heidenhain TNC111 >> Coolant device >> Operating instructions, spare parts plan To the machine : Universal milling machine Deckel FP1 built in 1985 in very good condition. The FP1 was overhauled by Huttelmaier in 2008. The machine has very little crank play and all spindles can be moved easily. The milling machine runs very smoothly even at maximum speeds. On this newer FP1 model, the feed rate is infinitely variable in three axes, and the machine also has rapid traverse in these axes. A great advantage is the active 3-axis digital display. With this Heidenhain line control you can enter dimensions which the machine automatically approaches. The FP1 was in a training company where it was only used occasionally. An oil change was carried out. Mechanically and electrically tested. The Heidenhain digital display makes work easier and even more accurate. Take the opportunity to inspect and try out this little gem under power on site.

Condition: excellent (used), functionality: fully functional, Equipment: documentation/manual, Universal milling machine Deckel FP1 with 3-axis digital readout RSF 2006 Overhauled TOP Technical data: >> Machine no. 53819/08 >> Rigid angle table >> Speed: 40 - 2000 rpm >> Feed 2 axes >> Drive power .:1 / 1.5 KW >> Travel X/Y/Z: 300/150/340 mm >> Vertical quill and horizontal quill - SK40 >> Spindle brake >> Tightening system S20x2 >> Weight approx. 700 kg Podpfxsvb Ud Uo Ahlopt Accessories and equipment: >> 3-axis digital display from RSF Elektronik >> Coolant device >> Machine feet To the machine : We are offering a Deckel FP1 universal milling machine in very good condition. The Deckel has very little crank play and all spindles can be moved easily. An oil change has been carried out. The FP1 was overhauled by Huttelmaier in 2006 and has been used very little since then. The digital display from RSF makes work easier and even more precise. Take the opportunity to inspect and try out this machine under power on site.

Condition: good (used), functionality: fully functional, Universal milling machine Deckel FP2 in special paint finish light gray with 3-axis digital display K+C NEW Technical data: >> Machine no. 5983 Year of construction approx. 1975 >> Rigid angular table (newly revised) >> Speed: 40 - 2000 rpm Ppedpou I Rm Nsfx Ahlot >> Feed and rapid traverse in 3 axes >> Drive power .:2,2 KW >> Travel X/Y/Z: 400/200/400 mm >> Equipment: Vertical & horizontal spindle >> Vertical quill and horizontal quill extendable - SK- 40 >> Tightening system S20x2 >> Weight approx. 1100 kg Accessories and equipment: >> 3-axis digital display K+C Newly assembled with manufacturer's warranty. Display unit: Reference points, setting zero points, entering coordinates, mm/inch switching, absolute or incremental coordinates, circular functions, hole rows, radius milling functions, etc. >> Operating instructions for digital display >> Coolant device To the machine : We offer a universal milling machine Deckel FP2 in good condition. The Deckel has very little crank play and all spindles can be moved easily. The machine has been completely dismantled and repainted. An oil change has been carried out. Mechanically and electrically tested. The digital display from K+C makes work easier and even more accurate. You also have a 1 year guarantee on the new digital display. Take the opportunity to inspect and try out the lids on site under power. The machine is available immediately.

Condition: excellent (used), Year of construction: 1978, functionality: fully functional, Universal Milling Machine Deckel FP2 with 3-Axis Digital Readout Heidenhain, infinitely variable feed, in very good condition Technical Data: >> Year of manufacture: 1978 Machine No.: 2202-10163 >> Fixed angle table >> Spindle speeds: 25 - 2500 rpm >> Infinitely variable feed on all 3 axes >> Rapid traverse on all 3 axes >> Drive power: 3.0 kW >> Spindle brake >> Travel X/Y/Z: 400/220/400 mm >> Vertical milling head can be shifted 150 mm on spindle carrier >> Vertical and horizontal quill - SK40, extendable >> Drawbar system S20x2 >> Weight approx. 1400 kg Accessories and Equipment: Pedexghtvspfx Ahlept >> 3-axis digital readout from Heidenhain >> Coolant system >> Mechanical central lubrication About the machine: Offered here is a Deckel FP2 universal milling machine in very good condition. The FP2 has very little backlash, and all spindles move smoothly. The machine runs quietly even at maximum speeds. On this newer FP2 model, the feed rate is infinitely adjustable on all three axes, and each axis is equipped with a rapid traverse. An oil change has been performed. Mechanically and electrically tested. The Heidenhain digital readout makes operation easier and improves precision. You are welcome to view and test the machine under power at our facility.

Condition: reconditioned (used), Year of construction: 1989, Dear Sir or Madam, For sale is a partially overhauled Deckel FP1 milling machine equipped with a 3-axis Heidenhain TNC113 active control, notable for its ease of operation. This modern version, built in 1989, features central lubrication, an electric coolant pump, and a machine lamp, among other benefits. The machine has undergone extensive partial refurbishment in our workshop and is therefore in excellent condition. You are welcome to inspect the machine on-site at any time. Delivery time: on request Machine no.: 2102-xxxx Table: Rigid angled table or rotary-tilt-swivel table Travel (X/Y/Z): X 300 mm / Y 160 mm / Z 340 mm Quill travel: 60 mm Pedpepy Eldofx Ahlspt Connected load: 1.9 kW Number of spindle speeds: 16 Speed range: 40–2000 rpm Tool taper: SK40 Feed: Infinitely variable 5–500 mm/min Rapid traverse: 1200 mm/min Equipment and accessories: 3-axis Heidenhain TNC113 digital readout with active control, infinitely variable feed regulation on all 3 axes, coolant unit, central lubrication, technical documentation, leveling feet, safety equipment (optional) Our service promise to you: - We are a certified master workshop specializing in mechanical engineering - All machines undergo thorough inspection - All lubricants and any worn parts are replaced in advance - Upon request, we can fully or partially overhaul your selected machine - If required, you can order additional accessories such as tools, etc., directly - We can also install further equipment such as safety devices upon request - We are happy to handle shipping and/or installation

Condition: used, Year of construction: 1987, - Lid Contour 3 CNC control - Sliding vertical milling head with extendable spindle - counter bearing for long milling arbors - Hydraulic tool clamp - Automatic speed gearbox - Automatic clamping in X/Y/Z axes - Automatic central lubrication - coolant device - direct path measurement - Collision protection clutch in Z/Y axes - year of construction 1987 Technical data Working range: - X-axis (longitudinal): 485 mm - Y-axis (transverse): 385 mm - Z-axis (vertical): 380 mm - Vertical quill stroke: 80 mm - Vertical milling head can be moved on headstock: 150 mm Main drive: - Motor: pole-changing three-phase AC brake motor and manual gearbox with clockwise/anticlockwise rotation - Power: 3.7 / 4.4 kW - 18 working spindle speeds: 50 - 2500 rpm - Step change: 1.25 - Tool holder: SK40 (M16) - Tool clamp: hydraulic Feed drive: - X-axis: 1 DC motor - Y- and Z-axis: 1 DC motor - All axes: ball screws - Feed speed programmable: 10 - 1000 mm/min - Rapid traverse X-/Y-/Z-axis: 2000 mm/min Universal table: - Number of T-slots: 7 - T-slot width: 14/H7 mm - T-slot spacing: 63 mm - Center bore Ø/depth: 63H6 / 8 - Distance from table center to screw-on surface: 260 mm - Max. Passage height (vertical milling spindle/table surface): 490 mm - Permissible load: 300 kg - Weight: 230 kg - Rotation range in horizontal position (axis C): 360 ° - Tilt range (axis A): +450 / -150 ° - Pivoting range (axis B): ± 450 ° - Measuring range with direct digital display: Resolution 360000 x 0.001 ° - Reduction ratios: 60:1 / 120:1 / 240:1 Installation: - Space requirement with safety area: approx. 2.3 x 2.5 m - Operating voltage: 400 V / 50 Hz - Total connected load: 7.5 kW / 9.5 kVA Podju Awlzjpfx Ahlept - Machine weight: approx. 1830 kg - Floor load: 3000 kg/m²

Condition: refurbished (used), Year of construction: 1988, - Refurbished in 2022 - Heidenhain TNC320 CNC control - CNC or manual control possible - Movable vertical milling head with extendable spindle - Counter bearing for long milling arbors - Hydraulic tool clamping - Automatic gearshift - Automatic clamping in the X, Y, and Z axes - Automatic central lubrication - Coolant system - Direct position measurement - Collision protection coupling in the Y and Z axes - Built in 1988 - Including tool holders, drilling/milling tools, and tool carriage Specifications Working area: - X-axis (longitudinal): 485 mm - Y-axis (transverse): 385 mm - Z-axis (vertical): 380 mm - Quill stroke (vertical): 80 mm - Vertical milling head manually movable on spindle block: 150 mm Main drive: Pedpfewhk Ubox Ahlopt - Pole-changing Three-phase brake motor: Manual gearbox with forward/reverse rotation - Power: 3.7 / 4.4 kW - Work spindle speeds: 63 - 3150 rpm (18 steps) - Step increment: 1.25 - Tool holder: SK40 (M16) - Tool clamping: Disc spring package - Tool release: Hydraulic Feed drive: - X-axis: 1 DC motor - Y & Z-axis: 1 DC motor - Ball screws: all axes - Feed rate: 2 - 3000 mm/min (programmable) - Rapid traverse X/Y/Z-axis: 3000 mm/min Table slide: - Number of T-slots: 4 - T-slot width: 14H7 mm - T-slot spacing: 63 mm - Permissible load: approx. 600 kg Installation: - Space requirement (including safety area): approx. 2300 x 2500 mm - Machine weight including vertical milling head and angle table: approx. 1830 kg - Operating voltage: 400 V - Total connected load: 12.5 kVA - Floor load: 3000 kg/m²

Condition: ready for operation (used), Year of construction: 1984, functionality: fully functional, feed length X-axis: 500 mm, feed length Y-axis: 400 mm, feed length Z-axis: 400 mm, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, rotational speed (max.): 2,500 rpm, rotational speed (min.): 50 rpm, input voltage: 400 V, Deckel FP4M Universal Milling Machine in excellent technical and optical condition. Psdsytb Uhjpfx Ahlopt Machine no. 2203-1389 Year of manufacture: 1984. Technical specifications: - Working travel X/Y/Z: 500/400/400 mm - Speed range: 50 - 2500 rpm - Power: 3.7 / 4.4 kW - Spindle brake - Auto feed: X-Y-Z infinitely variable 6.3 / 630mm/min - Rapid traverse X-Y-Z 1300mm/min - Fixed angle table - Vertical quill 90mm stroke - Tool holder ISO 40/M16 - Weight approx. 1500 kg Machine options: - 3-axis Heidenhain digital readout - Coolant system - Chip tray - Central lubrication - Automatic pulse lubrication on milling head - Machine books with spare parts list and electrical diagrams

Condition: ready for operation (used), Year of construction: 1989, functionality: fully functional, feed length X-axis: 300 mm, feed length Y-axis: 160 mm, feed length Z-axis: 340 mm, travel distance X-axis: 300 mm, travel distance Y-axis: 160 mm, travel distance Z-axis: 340 mm, spindle speed (max.): 2,000 rpm, spindle speed (min.): 40 rpm, Deckel FP1 milling machine with Heidenhain TNC113 digital readout in very good condition. Technical specifications: Year of manufacture: 1989 Machine no.: 2102-5533 * Speed: 40 - 2000 rpm * Infinitely variable feed on 3 axes * Rapid traverse on 3 axes Pedpfx Ahsytcarsljpt * Spindle brake * Table movement X/Y/Z: 300/160/340 mm * Vertical milling head can be adjusted 100 mm on the spindle block * Vertical quill * Drawbar system SK40/M16 * Weight approx. 800 kg Accessories and equipment: 3-axis digital readout Heidenhain TNC113 Coolant system Central lubrication Operating manual, spare parts diagram

Condition: excellent (used), Year of construction: 2000, functionality: fully functional, Technical details x-travel 300 mm y-travel 160 mm z-travel 290 mm table surface area 600 x 210 mm tool taper SK 40 spindle turning speed range (16) 40 - 2000 U/min feeds -stepless- 5 - 500 mm/min rapid traverse 1,2 m/min spindle motor 1,5 / 1,9 kW total power requirement 9,5 kVA weight of the machine ca. 830 kg dimensions of the machine ca. 2000 x 2200 x 1655 mm Additional information The machine is in very good condition and comes from a training workshop. Equipment: Ppsdpfxsy U U Nij Ahlot * 3-axis positioning control with active digital display Heidenhain TNC 123 - Manual mode: Manual operation and positioning with manual input - Automatic mode: Single-block programme run, programme storage * Fixed angle table * Movable vertical milling head, swivel range +/- 90 degr., quill stroke 60 mm * Coolant equipment * Central lubrication * Tailstock with counter bearing * Manual

Condition: used, x-travel 500 mm y-travel 400 mm z-travel 400 mm In our assessment, the machine is in good used condition and can be inspected under power by appointment. Psdpsy Umhdsfx Ahlspt Accessories, as well as the tools and clamping devices shown in the images, are included in the scope of delivery only if explicitly noted in the additional information. Subject to changes, errors in technical data and specifications, and prior sale!

Condition: good (used), Clamping surface of the fixed angle table: 195 x 605 mm Table travel longitudinal/vertical automatic and manual: 290/300 / 330/340 mm Spindle head transverse travel manual: 150 mm Spindle taper: ISA 40 16 spindle speeds: 40 - 2000 rpm 16 feeds: 10 - 500 mm/min Ppsdpfx Ahjyvgf Rjlot Spindle drive motor: 380 V, 1/1.4 kW Weight approx.: 660 kg Space requirement: 1200 x 900 x 1570 mm