Used Maho Universal Milling Machine, Conventional Milling Machine, Conventional Milling Bench for sale (67,634)

Condition: used, NC universal tool milling machine MAHO type MH 700 P with HEIDENHAIN TNC 121 linear control . 71247 Circuit diagram no. ET 226 Built in 1979 Travel paths X: 600 mm, Y: 400 mm, Z: 400 mm Table size 900 x 500 mm Spindle mount ISO 40 Spindle speed 40-2000 rpm, 18 steps Feed rate X, Z-axis 1 - 600 mm/min, continuously variable Feed rate Y 1 - 300 mm/min, continuously variable Rapid traverse X, Z-axis 1.5 m/min Rapid traverse Y-axis 0.75 m/min Vertical spindle travel 80 mm Horizontal spindle travel 80 mm Spindle drive 4 kW Power supply 380 V, 50 Hz, 10 kW - HEIDENHAIN TNC 121 NC linear control Fgedpfx Aowd Szboh Nec - Vertical milling head with automatic Quill feed - Hydro-mechanical tool clamping - Coolant system in the machine base - Universal built-in rotary table, swiveling and tilting via threaded spindles +/- 30° - Universal built-in rotary table with manual transverse adjustment of 200 mm - Universal built-in rotary table with 360° rotation function and hydraulic clamping - Rotary table with direct indexing 72 x 5° and indirect indexing via hole plate 1:120 = 1 rev = 3° - Pivoting control panel - Central lubrication system - Electrical diagram Space requirement L x W x H 2000 x 1650 x 2250 mm Weight approx. 2800 kg Good condition

Condition: good (used), For sale are various Deckel FP3 milling machines, which are all in good condition. The special feature of this machine is the clamped table, which would be swiveling, rotating or even movable. A purchase of the machine with a "normal" milling table is also possible. The machine has been cleaned and tested by us. If desired, safety devices can also be mounted for an additional charge. L x W x H: approx. 2000 x 1600 x 1900 mm Weight: approx. 1500 kg TECHNICAL DATA Digital display: 3 - axes - digital display travels: X - axis: approx. 500 mm Y - axis: approx. 300 mm Z - axis: approx. 380 mm spindle: Speed range: approx. 40 - 2000 rpm Tool holder: ISO 40 Drive power: approx. 3.8 kW Tool clamping: manual feeds & rapid traverses: in all 3 axes Feed range: approx. 10 - 500 mm/min Rapid feeds: approx. 1.5 m/min Prices plus VAT Fgedpfoiz T Exjx Ah Noc Viewing possible by appointment. Contact us, our team is happy to help you. Trade-in or exchange possible! 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: 1996, x-travel 850 mm y-travel 630 mm z-travel 500 mm rapid traverse 10 m/min table dimensions 1.200 x 550 mm spindle tunring speed 20 - 4.200 U/min Fgodpfx Ajy Dh U Djh Nsc spindle drive 7 kW tool taper SK 40 In our assessment, the machine is in good used condition and can be inspected under power by appointment. Accessories, tools, and clamping devices shown are only included in the scope of delivery if this is noted in the additional information. Technical data and specifications are subject to change without notice and errors. Prior sale is reserved.

Year of construction: 2002, condition: good (used), Heidenhain TNC 124 X-700 mm Y-500 mm Z-500 mm taper SK40 Spindle speeds 63-3150 rpm Table 900 x 500 mm weight of machine 2500 kg machine checked before delivery spare-parts available Fjdpfx Aheinukms Nogc

Condition: good (used), functionality: fully functional, Internal article number: 26007 Universal milling machine Deckel FP1 Travel distances: X300 / Y160 / Z340 mm Fjdpfx Aszb Ni Ash Nogc Spindle stroke: 60 mm Connection power: 1.9 kW Number of spindle speeds: 16 Speed range: 40-2000 rpm Tool holder: SK40 Feed rate: Continuously variable, 5-500 mm/min Rapid traverse function: Not operational! The machine comes from an educational institution and is in good condition. You are welcome to inspect the machine while it is powered on, in our more than 500 m² heated storage area.

Condition: good (used), Year of construction: 2007, functionality: fully functional, Final price, as differential tax applies according to §25a of the German VAT Act (UstG). You will receive a proper invoice! Internal article number: 26043 CNC milling machine Optimum F100 Year of manufacture: 2007 The machine comes from a public educational institution. Control system: Siemens Sinumerik 802 S base line RS232 interface Spindle mount: ISO40 Speed: 100 - 6000 rpm Travel distances: X 450 / Y 300 / Z 400 mm Table: 920 x 280 mm Table load: 300 kg + Operating manual + Programming manual + Electrical wiring diagram + Accessories (Various tool holders, including various MK4 holders (reduction from basic mount to MK4 available)) + 2-axis digital display Heidenhain + Operating manual + Coolant pump Fedpfx Ahjzb I Tgs Negc Speed: 90 - 1800 rpm Travel distances: X 400 / Y 200 / Z 400 mm Feed rate: 10 - 160 mm/min Rapid traverse: 900 mm/min Power: 1.6 kW / 380V L x W x H: 150 x 150 x 175 cm Weight: 1300 kg The machine is fully functional and can be inspected in operation by arrangement, in our heated warehouse with over 500 m² of space.

Condition: used, GAMBIN 3M universal milling machine Longitudinal travel: 1000mm Transverse travel: 420mm Vertical travel: 710mm Spindle: SA40 Table: 1520 x 385 Speeds: 25 to 2000 rpm Fsdezb I R Eopfx Ah Nsgc Weight: 3800 kg

Condition: good (used), functionality: fully functional, Internal article number: 26047 Universal milling machine Fedpjzb I Nzefx Ah Nsgc Thiel Duplex 158 + Accessories (Various tool holders, including various MK4 holders (reduction from basic holder to MK4 available)) + 2-axis digital display Heidenhain + Operating manual + Coolant pump Speed: 90 - 1800 RPM Travel: X 400 / Y 200 / Z 400 mm Feed rate: 10 - 160 mm/min Rapid traverse: 900 mm/min Power: 1.6 kW / 380 V L x W x H: 150 x 150 x 175 cm Weight: 1300 kg The machine is fully functional and can be inspected under power by appointment in our heated warehouse, which covers an area of over 500 m².

Condition: good (used), Fritz Werner Universal Tool Milling Machine, Type 5130 An extremely robust and precise universal tool milling machine from the long-established, high-quality German manufacturer Fritz Werner (Model 5130). This conventional knee-type milling machine stands out due to its solid grey cast-iron construction and exceptional reliability. It is ideally suited for workshops, toolmaking shops, repair facilities, demanding DIY enthusiasts, or training centers. The machine features a swiveling vertical milling head with manual quill feed (perfect for additional drilling operations) as well as a mechanical feed gearbox. A standout feature is the retrofitted premium safety spindle guard from Tecno Più. Technical specifications at a glance: Manufacturer: Fritz Werner Werkzeugmaschinen GmbH (Berlin) Type / Model: 5130 (Series 5.130) Fodpfxjzcw Dds Ah Nogc Design: Conventional universal tool milling machine Tool holder: SK 40 (steep taper with drawbar) Table dimensions: Approx. 600 x 215 mm with 3 parallel T-slots Axis movement: Manual via precision handwheels (2 mm travel per revolution) + automatic feed (Type 101) Vertical head: Swivels ± 90° with manual quill lever and adjustable depth stop Drive: Three-phase motor (400 V, CEE plug included) Included accessories: Solid machine vise (mounted on table), drawbar, chip guard hood Safety upgrade (included): Spindle guard: Tecno Più S.r.l. (Model PTR 11/180) Year of manufacture of guard: 2017 (CE marked) Function: Impact-resistant polycarbonate shield (180 mm) with IP67 safety microswitch for automatic spindle cut-off when the guard is open. You can find other milling machines—new and used—in our shop! International shipping costs available upon request!

Condition: ready for operation (used), Year of construction: 1989, Immediately available from training center: Universal Milling Machine Horizontal - Vertical WMW Auerbach Type FW 250 x 1000 / 2 Year of manufacture: 1989 Table: 1250 x 250 mm Table load capacity: 1250 kg Travel X/Y/Z: 700 / 400 / 500 mm Heidenhain 3-axis digital readout SK 40 Spindle speeds: 55 – 2800 rpm Feeds: 10 – 630 mm/min, stepless Vertical head Fgodpfszcwbcex Ah Noc Horizontal milling device Drive power: 6.3 kW Weight: 2.5 t Offered at EUR 2,000 – plus VAT, ex location

Condition: ready for operation (used), Year of construction: 1996, Immediately available ex location: CNC universal milling machine Reckermann Type: Primo II Year of manufacture: 1996 Heidenhain TNC 430 control Spindle taper SK 50 Infinitely variable spindle speeds: 20 – 2,000 rpm Table load capacity: 1,000 kg Stepless feed rates: 20 – 6,000 mm/min Travel (X / Y / Z): 1,000 / 400 / 350 mm Fjdjzcwaljpfx Ah Njgc Drive: 7.5 kW Weight: 4 t Price: EUR 2,500 plus VAT, ex location

Condition: excellent (used), Year of construction: 1993, Vertical spindle mount SK 30 Speed range 265 – 3000 rpm Drive power 1.5 / 2 hp Horizontal spindle mount SK 30 Speed range 50 – 1500 rpm Drive power 3 / 4.2 hp Fodszbikmspfx Ah Nsgc Table surface area 800 x 200 mm Longitudinal travel X-axis, automatic approx. 600 mm Transverse travel Y-axis, automatic approx. 200 mm Vertical travel Z-axis, automatic approx. 400 mm Distance between table and milling spindle 300 mm Feed rates, stepless 30 - 340 mm/min Rapid traverse yes Dimensions L x W x H approx. 1300 x 1250 x 1800 mm Weight 900 kg Accessories / Special features: • 3-axis digital display ELESTA • Vertical milling head, SK 30 with boring quill, swiveling left-right • Horizontal milling attachment, SK 30 • Feed in all 3 axes, steplessly adjustable via potentiometer on the control panel • Rapid traverse • Rotary table, swiveling left-right • Coolant system • 2-stage main motor • Central lubrication This very good GUALDONI machine comes from an educational institution and can be inspected and demonstrated under power at any time by prior appointment. Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel / Germany

Condition: good (used), Mikron WF 41C CNC Universal Milling and Boring Machine Professional, extremely robust MIKRON WF 41C CNC universal milling and boring machine. Thanks to its sturdy construction, the machine is ideally suited for workshops, prototype manufacturing, maintenance, or demanding toolmaking applications. The machine is equipped with the proven HEIDENHAIN TNC 155 contouring control. It is extremely easy to program directly at the machine thanks to plain-language conversational guidance; it supports graphic simulations and allows for the easy loading of external CNC programs via the serial interface (ideal for CAD/CAM applications). Technical Data Overview CNC Control Model: HEIDENHAIN TNC 155 Operating modes: Manual operation (like digital readout), positioning with manual input, single block, block sequence, program test (graphic simulation) Interface: V.24 / RS-232-C for data transfer Feed Drives & Travel Ranges X-axis travel (table longitudinal, automatic): 630 mm Y-axis travel (spindle slide transverse, automatic): 500 mm Z-axis travel (table vertical, automatic): 460 mm Feed rate: Infinitely variable from 1 – 3000 mm/min in all 3 axes Rapid traverse speed: X- and Y-axis: 6000 mm/min | Z-axis: 4000 mm/min Max. vertical installation height: 559 mm (between vertical milling head and angle table) Milling spindle drive Spindle speeds: 21 gear stages Speed ​​range: 31.5 – 3150 rpm Spindle motor power: 6.0 / 8.0 kW Tool holder: ISO 40 / M16 with pull stud groove (SK 40 DIN 2080) Quill travel (vertical): 90 mm Table geometry & workpiece capacity Angle table clamping surface: 500 x 1000 mm T-slots: 7 (spacing: 63 mm, width: 14-H7 mm) Vertical clamping surface: 397 x 550 mm (with 4 x 4 M16 threaded holes, 90 mm spacing) Max. recommended workpiece weight: 500 kg Electrics & cooling Fedpjzcqf Iofx Ah Njgc Electrical connected load: 13.5 kW Coolant tank volume: approx. 100 liters Dimensions & weights Machine dimensions (machine only): 1745 mm (L) x 1501 mm (W) x 2124 mm (H) Max. operating footprint (incl. control arm): 2930 mm (L) x 2115 mm (W) x 2125 mm (H) Machine weight (net): 3100 kg (incl. vertical milling head and angle table) "Everything from a single source: We would be happy to offer you suitable bank financing for your project." komplett-konzept.leasingo.de You can find more items—new and used—in our shop! International shipping costs on request!

Condition: good (used), Year of construction: 1998, Mikron UM 710/900 Universal Milling Machine Fgsdpfjzcqcgex Ah Njc High-precision universal tool milling machine from the renowned Swiss manufacturer MIKRON, model UM 710/900. The machine comes from a well-maintained environment and stands out for its hallmark Mikron precision and generous working area (up to 900 mm travel in the X-axis). It is ideally suited for toolmaking, prototyping, training purposes, or demanding repair workshops. Technical specifications at a glance (manufacturer data): Working range & axes: Longitudinal travel (X-axis): 710 / 900 mm Cross travel (Y-axis): 630 mm Vertical travel (Z-axis): 500 mm Work spindle: Tool holder: SK 40 / DIN 69871 Gear stages: 4 Speed ​​range: variable (vertical & horizontal) Main drive & feed: Spindle drive power: 11 kW (at 44% duty cycle) / 7.5 kW (at 100% duty cycle) Feed rate (X, Y): 0 – 10,000 mm/min (programmable) Feed rate (Z): 0 – 8,000 mm/min (programmable) Rapid traverse (X, Y / Z): 10 m/min / 8 m/min Clamping table (angle table): Clamping surface: 600 x 1,200 mm T-slots: 9 (14-H7, 63 mm spacing) Max. table load: 500 kg Electrics, dimensions & weights: Connected load: Total installed nominal power 21.5 kW Operating voltage: 3 x 400 V - 50 Hz Coolant system: 150-liter capacity Machine weight: approx. 4,300 kg (incl. protective enclosure) "Everything from a single source: We would be happy to offer you suitable bank financing for your project." komplett-konzept.leasingo.de You can find more items – new and used – in our shop! International shipping costs on request!

Condition: good (used), Year of construction: 1995, functionality: fully functional, SHW UF 31, year of manufacture 1995, Heidenhain TNC 415 B control, travel X/Y/Z 1000/700/625 mm, feed rate X/Y/Z 2,000 mm/min, rapid traverse X/Y 4,000 mm/min, rapid traverse Z 2,000 mm/min, rotary table feed up to 4 rpm, main drive 20 kW, tool holder SK 50, programmable milling head, swivel time horizontal/vertical 6 sec, NC rotary table, spindle speed stepless up to 2,500 rpm, spur gearing, milling head swivels +/- 90°, quill manual 115 mm, quill motorized 100 mm, electronic handwheel, connected load 35 kW, milling spindle bearings replaced in 2025. Fgjdjyx Un Topfx Ah Noc

Condition: excellent (used), Year of construction: 1993, x-travel 400 mm y-travel 375 mm z-travel 350 mm turning speeds 63 - 4000 U/min spindle taper ISO 40 Pull studs ISO TYP B quill stroke 50.0 mm table: 650 x 350 mm workpiece weight max. 200 kg T-slots 5x 14H7 feed range 10 - 1000 mm/min rapid traverse 1.5 / 1.0 m/min Number of working hours ca. 504 h control DIGI "VRZ 650" voltage 380 V total power requirement 8.0 kW weight of the machine ca. 1550 kg. range L-W-H 1640 x 1580 x 1840 mm from a training center very little run (!!) operating hours approx. 504 hours Equipment: - robust conv. electro-motorized universal milling machine - HEIDENHAIN digital display incl. control panel * swiveling, front right * display font 0.005/0.001 mm - Electro-motorized adjustment of all axes (X/Y/Z axis) * rapid traverse in all 3x directions * Manual adjustment via handwheel also possible - Infinitely variable speed adjustment - Vertical milling head with quill adjustment * ISO 40 tool holder * automatic tool clamping with clamping/pull bar Fodpfx Aozbc Dysh Njgc * Swivel milling spindle guard - Robust work table incl. T-slots ... 650 x 350 mm * Number/size of T-slots 5 pieces 14H7 * Distance T-slots 63.0 mm * Safety housing (own construction) - Coolant device incl. lower chip tray - Counter support = horizontal milling device - Halogen/machine lighting - Central lubrication incl. container - Original operating instructions

Condition: excellent (used), Year of construction: 1993, x-travel 500 mm y-travel 380 mm z-travel 350 mm tool taper ISO 40 spindle turning speed range 63.0 - 4000 U/min feeds 10 - 1000 mm/min Fodpfx Ahezbc Dgj Njgc quill stroke 50.0 mm table-size 800 x 360 mm table load ca. 250 kg T-slots 14H7 - 5/63 mm rapid traverse X-axis 1.5 m/min rapid traverse Z-axis 1.5 m/min rapid traverse Y-axis 1.0 m/min Control DIGI "VRZ 650" Number of working hours 810 h voltage 380 V control voltage 110 V engine output 8.0 kW weight 1850 kg dimensions of the machine ca. 1880 x 1796 x 1840 mm from a training center very little run (!!) operating hours approx. 810 hours Equipment: - robust conv. electro-motorized universal milling machine - HEIDENHAIN digital display incl. control panel * swiveling, front right * display font 0.005/0.001 mm - Electro-motorized adjustment of all axes (X/Y/Z axis) * rapid traverse in all 3x directions * Manual adjustment via handwheel also possible - Infinitely variable speed adjustment - Vertical milling head with quill adjustment * ISO 40 tool holder * Automatic tool clamping with clamping/pull bar - Robust work table incl. T-slots ... 800 x 390 mm * Number/size of T-slots 5 pieces 14H7 * Distance between T-slots 63.0 mm * Safety housing (own construction) - Coolant device incl. lower chip tray - Counter support = horizontal milling device - Halogen/machine lighting - Central lubrication incl. container - Original operating instructions

Condition: used, z-travel:380 mm y-travel:400 mm x-travel:500 mm tool taper:SK 40 vertical head swivelling:beidseitig 90 Grad table-size:LxB 700x425 mm dimensions of the machine ca.:2x2x2 m quill stroke:60 mm groove width:14H7 mm flute distance:63 mm weight of the machine ca.:2 t total power requirement:10 kW Speed range of live tooling:5 - 3000 min -1 Fgsdpscxxmqsfx Ah Njc Loading:max. 250 kg clamping slots:6 power capacity - milling spindle:5,5 kW

Condition: used, machine/vehicle number: 2806-0743, x-travel:800 mm y-travel:550 mm z-travel:500 mm table surface area:(B x T )1000x550 mm spindle turning speed - stepless:0 - 5000 U/min feed speeds - directly programable:2- 6000 mm/min rapid traverse:6,0 m/min quill stroke:80mm mm Tool bore:SK40 total power requirement:12 kW weight of the machine ca.:3,9 t dimensions of the machine ca.:(LxBxH) 2200x2800x2400 mmxmmxmm Deckel FP5 NC Universal Milling Machines - CNC - Swivelable left or right) 90 ° & Tilting Vertical Spilndle Head - Rigid Fixed Table: 1100 x 550 mm (Max. Load 450 kg) Fgodpfx Ajcxxngjh Noc - High RPM on Both vertical and Horizontal Spindles - Powerful 9,0 kw AC drives for Main Spindle - Equipped with Electronic handwheel and handheld rapid travel attachement - Dialog 4 - 3D Path Control System. - Seperate Power cabin, Chip tray

Condition: used, Year of construction: 1967, x-travel:1100 mm y-travel:700 mm z-travel:500 mm distance spindle /table:9-509 mm spindle head - swivable:360° spindle taper::SK 40 spindle turning speed range:30 - 2066 U/min turning speeds steps:27 Fjdpfx Ahjcxxyzo Nsgc feed speeds:1,6 - 820 mm/min feed steps:27 surface area:1435 x 460 mm rapid traverse X- and Y-axis:2,8 m/min rapid traverse Z-axis:1,4 m/min total power requirement:10 PS(HP) weight of the machine ca.:3,1 t dimensions of the machine ca.:2,36 x 1,65 x 1,45 m (b x h x t)

Condition: used, Year of construction: 1971, x-travel:450 mm y-travel:320 mm z-travel:450 mm table-size:950 x 300 mm Fjdsiv Tf Hepfx Ah Negc spindle turning speed range:39-2320 U/min spindle taper:SK 40 power capacity - milling spindle:2,5 kW total power requirement:2,8 kW weight of the machine ca.:1,3 t dimensions of the machine ca.:1,4 x 1,3 x 1,8 m with vertical head, spindle quill, swivelling horizontal spindle, variable adjustable feed for all 3 axes, coolant device, machine light, chip pan, emergency cut-off

Condition: used, machine/vehicle number: 2810 - 4271, x-travel:500 mm y-travel:400 mm z-travel:450 (390) mm surface of table:710 x 430 mm spindle speed max.:40 - 4000 U/min Fodpfx Aoh Ra Izsh Nsgc feed range:10-2000 mm/min rapid traverse:4,0 m/min spindle drive motor:4,0 kW tool taper:SK40 control:CNC Contour 3 power capacity:9 kW weight of the machine ca.:2 t dimensions of the machine ca.:2,4 x 2,3 x 2,3 m Deckel FP4 NC Machine for Medium - Heavy range use. - Spindle Head can be swiveled 90° (left or right) - Universal Work Table ( 710 x 430 mm ) - Hydralic Tool clamping system SK40 with Pull studs DIN 2080 or DIN 69872. - Deckel Contour 3 CNC control Systems. - Portable Electronic handwheel and Handheld operating unit for easy Setting and control. - Powerful 2.2 kw Siemens Axis Servo motors and 4.0 kw Motor for Main Spindle. The machine has Central Lubricant system, Seperate Power cabinet, Enclosed Chip tray and Splash cabin

Condition: used, machine/vehicle number: 2820-0419, x-travel:500 mm y-travel:400 mm z-travel:400 (340) mm table surface area:710 x 430 mm turning speed range:40 - 4000 U/min feed range:02 - 3600 mm/min rapid feed:4,0 m/min milling-head swivable +/-:90° quill stroke:80 mm spindle taper:SK 40 control:Contour 3 total power requirement:5,5 kW weight of the machine ca.:1,9 kg dimensions of the machine ca.:2 x 1,4 x 1,8 m Deckel Model FP3 A Fodpoh Ra Niefx Ah Negc - Spilndle Head can be swiveled 90 ° (Left of Right) - Universal tilting rotary swivel table (Size - 710 x 430 mm - Deckel Contour 3 CNC control Systems. - Hydralic Tool clamping system SK40 with Pull studs DIN 2080 or DIN 69872 - Portable Electronic Handwheel for All Axis Control Central Lubricant system, Chip tray with Splash cabin will provide complete protection, clean and safe working Area.

Condition: used, machine/vehicle number: 1621, x-travel:800 mm y-travel:300 mm z-travel:400 mm table-size:1000 x 440 mm Tool taper:SK40 spindle speeds:40 - 2000 U/min speed steps work spindle:18 spindle speed max.:( 6000 Possible by interchanging the Belt U/min feed range:10 - 500 mm/min feed steps:18 total power requirement:3 kW weight of the machine ca.:2,1 t dimensions of the machine ca.:1600x1550x1930 m The models FP3L has a tilting Spilndle Head can be swiveled 90° left or right direction for vertical and horizontal machining application. - With Rigid Angular Table: 1000 x 440 mm (6 nos of "T-Slots" with of 12mm width) - With 2 Step Dial Configaration for Quick changing on Speed and Auto Feed - Quick Lever for rapid traverse movement on all axis - Universal Table , Separate power cabinet, and Chip tray Fjdpfxoh Ra Nqe Ah Nogc

Condition: used, Year of construction: 1973, x-travel:815 mm y-travel:400 mm z-travel:410 mm quill stroke:130 mm turning speed range - stepless:67 - 2300 U/min :8 feed speeds:0,04 - 0,08 - 0,15 mm/min feeds of table:15 - 230 mm/min table surface area:1120 x 255 mm T-Slots:3 mm Fgsdpfx Ahsvimrme Noc T-slot - width:16 mm T-slot - distance:63 mm distance spindle - column:260 mm ram adjustment:315 mm main drive motor:1,5 kW weight of the machine ca.:1,0 t dimensions of the machine ca.:1,75 x 1,80 x 2,10 m