Plum nakup rabljenega (202)

Stanje: rabljeno, Tok: 140 A Debelina pločevine: 1,5 mm Varilni razpon CO2: 35 - 225 A Varilni razpon 30Ar+CO2: 30 - 250 A Teža stroja pribl.: 90 kg Prostor potrebujem pribl.: 0,4 x 0,8 x 0,8 m Varilni aparat za zaščitni plin s paketom cevi in plinsko jeklenko. Gre za rabljeni stroj, zato prodajamo brez kakršne koli garancije. Psdpfx Aaoxbtmdjfsrc TRGOVEC Z LAGERJEM IN RAZSTAVNO DVORANO VELIKOSTI 1600 m².

Stanje: novo, Leto izdelave: 2024, GG06LX The only backhoe loader with these dimensions on the market. This machine features a highly efficient engine – the new professional backhoe loader: GG06 LX from the international brand Günter Grossmann. Like all machines from Günter Grossmann, this machine comes with a factory warranty, so you can work worry-free. The GG06 LX model is an excellent machine for construction, electrical, and plumbing companies. Backhoe loaders are manufactured using advanced technology that has been utilized in our company for many years. We stock all spare parts for our brand’s machines in Europe. Price 16,500 EUR (excl. VAT) Backhoe loader equipped with 2 buckets SPECIFICATIONS Brand: Günter Grossmann Model: GG06LX Gross weight: 2,280 kg Engine: Kubota D1105 Fuel type: Diesel Number of cylinders: 3 Rated speed: 3,000 rpm Rated power: 18.4 kW Predpfx Aajp Aru Rsfoc Displacement: 1.123 L Radiator: yes Engine oil capacity: 4 L Backhoe hydraulic pump: Parker USA Loader hydraulic pump: PWG Italia Loader hydraulic oil capacity: 84 L Backhoe hydraulic oil capacity: 42 L Hydraulic tank capacity: 22 L Hydraulic tank capacity: 22 L DIMENSIONS Length: 4,900 mm Width: 1,150 mm Height: 2,350 mm Wheel specifications: 26×12.00-12 26×12.00-12 Loader box width: 1,150 mm Minimum ground clearance: 155 mm Travel speed: 12 km/h Min. turning radius: 2,400 mm WORKING RANGE Bucket capacity: 0.6 m³ Payload: 600 kg Loader dumping height: 2,000 mm Loader digging depth: 240 mm Loader bucket lift time at full load: 8 s Bucket lowering time: 4 s Nominal bucket capacity: 0.08 m³ Maximum digging height (excavator): 3,200 mm Backhoe dumping height: 1,990 mm Backhoe max. digging depth: 2,490 mm Backhoe slewing angle (left/right): 52/59° Rated pressure (excavator): 20 MPa

Stanje: novo, Sheet width: 2065 mm Sheet thickness: 1.20 mm Opening width with tooling: 35.0 mm Opening width without tooling: 60.0 mm Maximum bending angle: 0 - 135° Total power requirement: manual Machine weight: approx. 520 kg Space requirement: approx. 2400 x 1115 x 1150 mm - Segmented upper beam for a large number of bending possibilities - Universally applicable bending machine for metalworking shops and repair businesses - High upper beam for producing tall, upturned profiles Prjdpsxabvwsfx Aafsc - Quick and easy bending process using a bow handle - Simple adjustment of the upper beam for efficient operation - Bending angle setting via scale - Individually removable segments for box bending - Robust construction with modern design Equipment: - Segmented upper and bending beams - Foot clamping - Fixed stop for angle adjustment - Back gauge - Bending segments: 38 | 38 | 38 | 50 | 50 | 50 | 50 | 76 | 76 | 101 | 127 | 152 | 203 | 254 | 254 | 254 | 254 mm

Leto izdelave: 2020, Stanje: rabljeno, Za dodatne informacije se obrnite na ATS Norway. Pedpfx Aaexcfncoferc Prosimo, ob povpraševanju navedite referenčno številko: 21319 Specifikacije: Model 2020 Hidravlični cepilec kamna 600 bar 23,5 kg Hidravlični generator Utež za kladivo Takoj na voljo Opis: Na voljo imamo hidravlični cepilec SP400 iz leta 2020 s pnevmatičnim kladivom, utežjo in hidravličnim generatorjem. Vse deluje kot mora in je bilo malo uporabljeno. Takoj na voljo Lastna teža: 23

Stanje: zelo dobro (rabljeno), Leto izdelave: 2024, AROS industrijski zračni hladilnik – za zunanjo in notranjo uporabo Ta visokozmogljiv prenosni evaporacijski hladilnik zraka zagotavlja močan pretok zraka 18.000 m³/h, zato je idealen za šotore, odprte prostore, vrtove, delavnice in druge večje površine. Deluje z uporabo vode – brez potrebe po vodovodnih priključkih, ceveh ali zahtevni montaži. Rezervoar enostavno napolnite z vodo in priključite na standardno vtičnico 230 V. Z največjo porabo energije le 1 kWh je to energetsko učinkovita rešitev za hlajenje večjih prostorov. Tehnični podatki: • Model: AROS‑1823KFPS Prsdjw Ek Txepfx Aafsc • Pretok zraka: 18.000 m³/h • Moč: 1,1 kW • Napetost: 220–240V / 50Hz • Glasnost: ≤70 dB • Dimenzije: 113 × 113 × 160 cm • Material: 100 % nov polipropilen • Izvor: LR Kitajska • Datum izdelave: 28. 3. 2024 Na voljo takoj: 5 kosov >>

Stanje: novo, Working width: 6020 x 1000 Bending beam rotation: approx. 140° Weight approx.: 2 t Dimensions (LxWxH): approx. 7000 x 1700 x 1500 Power supply: Three-phase current 230 V / 400 V - 1.5 Max. bending angle: 180° Folding length: 6020 - HIGH ECONOMIC EFFICIENCY - FULLY HYDRAULIC - HIGH-QUALITY STEEL - CONSTANT CLAMPING PRESSURE - MANUAL SHEARING DEVICE - WITH PROFILING UNIT Predpfjrzx Emsx Aafjc - ELECTRONIC ANGLE ADJUSTMENT The RULI long folding machine is the ideal machine for sheet metal workers as well as large and small sheet metal processing businesses. It stands out due to its simple and sophisticated design and is particularly low-maintenance. The RULI long folding machine operates fully hydraulically, with clamping and bending controlled by a small lever. The upper beam is mounted on trunnions and closes vertically, allowing for evenly distributed clamping pressure across the entire length and preventing sheet displacement during clamping. Two angle scales allow for reading and setting individual bending angles. This machine should be installed on a concrete floor or ceiling (minimum thickness 12 cm).

Stanje: dober (rabljeno), Leto izdelave: 1999, Sheet width 2040 mm Sheet thickness 3 mm Prsdpfevgnm Hox Aafsc Upper beam opening width 350 mm Max. bending angle 0-135° Adjustability of lower and bending beam 80 mm Control system Fastimatic M200 Drive power 2.2/1.5 kW Machine weight approx. 2460 kg Space requirement approx. 3.2 x 2.8 x 2.1 m Motorized swivel bending machine with motorized adjustment of the bending beam for setting the sheet thickness, Fastimatic M200 (DELEM FM 200 B) screen control for controlling the upper beam stroke, bending angle, and backgauge with up to 30 working steps, emergency stop switch with magnetic holder, backgauge with ball screw spindles, CE marking. The bending capacity refers to sheets with a strength of 400 N/mm². For stainless steel (Inox), due to higher strength, the capacity is lower. Little used machine, very good condition - original paint! This is a used machine, therefore we sell under exclusion of any warranty. STOCKING DEALER WITH 1600 m² SHOWROOM.

Stanje: novo, Funkcionalnost: popolnoma funkcionalen, moč: 11,03 kW (15,00 KM), vrsta goriva: dizel, barva: rumena, skupna masa: 1.020 kg, lastna masa: 1.020 kg, obratovalna teža: 1.020 kg, dvižna višina: 2.610 mm, stanje pnevmatik: 100 odstotek, stanje pogona: 100 odstotek, stanje verige: 100 odstotek, število sedežev: 1, emisijski razred: Euro 5, Leto izdelave: 2025, Gunter Grossmann & Kubota Japan 1000 Y The latest model and top quality from JAPAN 1000. The Japan 1000 is a high-end machine designed for demanding construction, electrical, and plumbing companies. 1. Japanese KUBOTA 15 HP engine 2. American EATON drive motors 3. American EATON swing motor 4. Two-speed travel 5. Adjustable track undercarriage 6. Articulated boom (Pro) 7. Concealed travel motors 8. Concealed hydraulic hoses 9. Modern structural design 10. Complies with the latest EURO 5 emission standards 11. Parker hydraulic pump 12. Integrated hydraulic oil cooler with Kubota engine 13. Heavy-duty rubber tracks for a smooth ride 14. Servo joystick controls 15. Two travel speeds We have all spare parts for machines of our brand available throughout Europe. SPECIFICATIONS Model: Japan 1000 Y Brand: Gunter Grossmann Operating weight: 1,020 kg Bucket capacity: 0.025 cbm Bucket width: 340 mm Engine: Japan - KUBOTA Rated power: 11.8 kW/2300 rpm Main pump: Parker Swing motor: Eaton Travel motor: Eaton Travel speed: 3 km/h Boom swing: Side-shift Travel speed: Two-speed Drive motors: Concealed Pedpfjvuk Uvox Aaforc Hoses in the boom: Concealed DIMENSIONS Overall dimensions (LxWxH): 2770 x 896 x 1490 mm Wheelbase: 770 mm Total track length: 960 mm WORKING RANGE Max. digging depth: 1,650 mm Max. digging height: 2,610 mm Max. digging radius at ground level: 2,890 mm Swing radius: 360° Max. dozer blade lift height: 345 mm Max. dozer blade digging depth: 255 mm

Stanje: novo, Sheet width: 1020 mm Podexaaxkepfx Aaferc Sheet thickness: 2.5 mm Opening width: 48 mm Max. bending angle: 0 - 135° Total connected load: Manual operation Machine weight approx.: 285 kg Space requirement approx.: 1.35 x 0.82 x 1.14 m Features: - Universally applicable folding machine for tinsmiths and repair workshops - Robust construction with modern design - Easy adjustment of the upper beam via foot pedal - Hands remain free to handle the workpiece - Manual bending machine for standard bending tasks - Segmented upper beam for a wide range of bending options - Excellent price-performance ratio - Fast and simple bending process via clamp handle - Non-slip rubber pad on the foot pedal for safe operation - Easy adjustment of the lower beam to suit different sheet thicknesses - High upper beam for producing deep, upstanding profiles Scope of delivery: - Segmented upper beam - Manual backgauge - Bending segments: 25 | 30 | 35 | 40 | 45 | 50 | 75 | 100 | 150 | 200 | 270 mm

Stanje: novo, Working width: 4010 mm Bending beam rotation: approx. 140° Power supply: Three-phase 230 V / 400 V – 1.5 kW Max. bending angle: 180° Bending length: 4010 mm Prjdpfx Ajr A Ntweafsc - HIGH ECONOMIC EFFICIENCY - FULLY HYDRAULIC - PREMIUM QUALITY STEEL - CONSISTENT CLAMPING PRESSURE - INTEGRATED MANUAL SHEAR - WITH PROFILING UNIT - ELECTRONIC ANGLE ADJUSTMENT The RULI long folding machine is the ideal machine for tinsmiths and both large and small sheet metal processing companies. It stands out for its simple and well-engineered design and is particularly low-maintenance. The RULI long folding machine operates fully hydraulically; clamping and bending are each controlled by a small lever. The oscillating, vertically closing upper beam allows clamping pressure to be evenly distributed over the entire working length, preventing sheet movement during clamping. Two degree scales enable reading and setting of individual bending angles. Installation of the machine is carried out on a concrete floor or concrete ceiling (minimum thickness 12 cm).

Stanje: rabljeno, Širina čeljusti: 160 mm Maksimalna vpenjalna širina: pribl. 310 mm Pedsmi U Itjpfx Aafjrc Vpenjalna sila: pribl. 5 t Višina čeljusti: 50 mm Mere (D/Š/V): 750 x 160 x 200 mm Teža: pribl. 60 kg 3 kosi hidravličnih vpenjal s napenjalno ročico. Cena za kos. Gre za rabljeno primež, zato prodaja brez kakršnegakoli jamstva. PRODAJALEC Z ZALOGO IN RAZSTAVNO HALO 1600 m².

Stanje: novo, Sheet metal width: 1020 mm Sheet thickness: 2.0 mm Opening width: 48 mm Max. bending angle: 0 - 135° Working height: 900 mm Total required power: manual operation Machine weight: approx. 285 kg Space requirement: approx. 1350 x 820 x 1140 mm Psdpfxjxaaufj Aaforc Features: - Segmented upper and bending beam for a wide range of bending applications - Clamping by means of foot pedal - Hands remain free for optimal positioning of the sheet - Versatile bending machine suitable for tinsmiths and repair shops - Robust construction with modern design - Manual bending machine for standard bending tasks - Segmented upper beam for a large number of bending options - Excellent price-performance ratio - Fast and easy bending process via bow handle - Slip-resistant rubber coating on the foot pedal for safe working - Easy adjustment of the lower beam to suit the respective sheet thickness - High upper beam for manufacturing high-flanged profiles Scope of delivery: - Segmented upper beam - Segmented lower beam - Manual rear gauge - Bending segments: 25 | 30 | 35 | 40 | 45 | 50 | 75 | 100 | 150 | 200 | 270 mm

Stanje: novo, Working width: 3010 mm Bending beam rotation: approx. 140° Connection rating: Three-phase current 230 V / 400 V – 1.5 kW Predpjrzx Dzjfx Aafoc Max. bending angle: 180° Bending length: 3010 mm - HIGH ECONOMIC EFFICIENCY - FULLY HYDRAULIC - HIGH-QUALITY STEEL - CONSISTENT CLAMPING PRESSURE - MANUAL CUTTING DEVICE - WITH PROFILING UNIT - ELECTRONIC ANGLE ADJUSTMENT The RULI long folding machine is the ideal machine for tinsmiths and both large and small fine sheet metal processing companies. It is characterized by its simple yet sophisticated design and is not prone to breakdowns. The RULI long folding machine operates fully hydraulically, with clamping and bending controlled via a small lever. The floating, vertically closing upper beam ensures evenly distributed clamping pressure over the entire length, preventing the sheet from shifting during clamping. Two degree scales allow for precise reading and setting of the individual bending angles. The machine must be installed on a concrete floor or ceiling (minimum 12 cm thickness).

Stanje: rabljeno, Širina čeljusti 125 mm Največji razpon: cca 200 mm Sila vpenjanja: cca 3 t Višina čeljusti: 40 mm Mere (dolžina/širina/višina): 500 x 130 x 200 mm Teža: cca 30 kg Hidravlični primež z vpenjalno ročico. Gre za rabljen primež, prodaja se izključno brez kakršnega koli jamstva. Predpetq I Nwsfx Aafsc Trgovec z zalogo in razstavno dvorano 1600 m².

Stanje: novo, Sheet width: 2065 mm Sheet thickness: 1.20 mm Opening width: 30.0 mm Max. bending angle: 0 - 135° Total power requirement: manual Machine weight: approx. 500 kg Space required: approx. 2400 x 1115 x 1150 mm - Versatile bending machine suitable for metal workshops and repair shops - Robust construction in a modern design - Easy adjustment of the upper beam via foot pedal, leaving hands free to handle the workpiece - Manual bending machine for standard bending tasks Prodpfxexaat Io Aafec - Segmented upper beam for a wide variety of bending options - Auxiliary cylinder supports the folding process during edging - Fast and simple bending process via Bow handle - Easy adjustment of the lower beam according to sheet thickness - High upper beam suitable for manufacturing profiles with high upturned edges Equipment: - Segmented upper beam - Backgauge - Bending segments: 38 | 38 | 38 | 50 | 50 | 50 | 50 | 76 | 76 | 101 | 127 | 152 | 203 | 254 | 254 | 254 | 254 mm

Stanje: novo, Working width: 4010 mm Bending beam rotation: approx. 140° Power supply: Three-phase 230 V / 400 V – 1.5 kW Max. bending angle: 180° Bending length: 4010 mm - HIGH ECONOMIC EFFICIENCY - FULLY HYDRAULIC - PREMIUM QUALITY STEEL - CONSISTENT CLAMPING PRESSURE - INTEGRATED MANUAL SHEAR - WITH PROFILING UNIT Prsdorzx D Nepfx Aafec - ELECTRONIC ANGLE ADJUSTMENT The RULI long folding machine is the ideal machine for tinsmiths and both large and small sheet metal processing companies. It stands out for its simple and well-engineered design and is particularly low-maintenance. The RULI long folding machine operates fully hydraulically; clamping and bending are each controlled by a small lever. The oscillating, vertically closing upper beam allows clamping pressure to be evenly distributed over the entire working length, preventing sheet movement during clamping. Two degree scales enable reading and setting of individual bending angles. Installation of the machine is carried out on a concrete floor or concrete ceiling (minimum thickness 12 cm).

Stanje: rabljeno, Leto izdelave: 1979, X-axis travel: 300 mm Y-axis travel: 160 mm Z-axis travel: 340 mm Spindle taper: ISO 40 Spindle speeds: 40 – 2,000 rpm Feeds (infinitely variable): 5 – 500 mm/min Rapid traverse: 1,200 mm/min Prsdjviyf Hopfx Aafoc Creep feed: 4 mm/min Control: Heidenhain TNC 113 Total power requirement: 1.6/2 kW Machine weight: approx. 570 kg Space requirement: approx. 1.2 x 1 x 1.75 m Tool milling machine with 3-axis active digital readout "Heidenhain TNC 113" for automatic positioning for preselected slide positions in both absolute and incremental modes, automatic infinitely variable feeds on the X and Z axes, and manual (cross) feed on the Y axis. Additionally, a movable upper arm with 100 mm travel. We kindly ask private buyers to refrain from making enquiries, as this is a well-maintained professional machine and, including VAT, it generally exceeds the budget of hobby mechanics. This is a used machine; therefore, sale is made without any warranty or guarantee. IN-STOCK DEALER WITH 1,600 m² SHOWROOM.

Stanje: novo, Sheet width: 2020 mm Sheet thickness: 2.0 mm Opening width: 122 mm with segments Max. bending angle: 0 - 135° Working height: 930 mm Total power requirement: manual operation Machine weight: approx. 1020 kg Prsdexaamhepfx Aafoc Space requirements: approx. 2.75 x 0.56 x 1.26 m Features - Segmented upper beam for a wide range of bending operations - Universally applicable folding machine for sheet metal workshops and repair shops - High upper beam for producing tall upstanding profiles - Fast and simple bending operation by means of a bow handle - Easy adjustment of the upper beam for efficient operation - Bending angle setting via scale - Individually removable segments for box bending - Large opening width for processing large workpieces - Sturdy construction in modern design Scope of delivery - Segmented upper beam - Bending segments: 25 | 30 | 35 | 40 | 50 | 75 | 100 | 150 | 200 | 300 | 500 | 510 mm

Stanje: novo, Working width: 5020 mm Bending beam rotation: approx. 140° Power supply: Three-phase current 230 V / 400 V – 1.5 kW Max. bending angle: 180° Folding length: 5020 mm - HIGH EFFICIENCY - FULLY HYDRAULIC - HIGH-GRADE STEEL CONSTRUCTION Predpfxorzx Ebe Aafsc - CONSISTENT CLAMPING FORCE - MANUAL CUTTING DEVICE - WITH PROFILING UNIT - ELECTRONIC ANGLE ADJUSTMENT The RULI long folding machine is the ideal piece of equipment for sheet metal fabricators and both large and small metalworking businesses. It stands out due to its simple and proven design, and it is particularly low-maintenance. The RULI long folding machine operates fully hydraulically, with clamping and bending each controlled by a small lever. The swing-mounted, vertically closing upper beam allows for uniformly distributed clamping pressure across the entire working length, preventing sheet displacement during clamping. Two degree scales allow for easy reading and precise setting of individual bending angles. The machine is to be installed on a concrete floor or ceiling (minimum thickness 12 cm).

Stanje: rabljeno, Leto izdelave: 1998, Thread diameter 72 mm Predpfx Aasv Irh Rofec Thread length 200 mm Bolt threads from 6 - 72 mm Bolt threads from 1/16 - 2 3/4" Inch threads 1/4 - 2 3/4 - 1/16 - 2 1/2" Cutting head speed 35 + 70 rpm Pipe threads 16-63 mm Pipe threads 1/16 - 2 1/2" Total power requirement 2000/2300 watts Machine weight approx. 227 kg Space requirement approx. 1.2 x 0.6 x 1.2 m The thread cutting machine "REMS Unimat 75" is a high-performance unit for efficient cutting of bolt and pipe threads. Operating principle: stationary material – rotating head, manual, self-centering vice, pole-reversible motor, automatic lubricant cooling, drive via robust planetary gearbox, right and left rotation, thread cutting head for Strehler thread cutting dies. The Strehler dies are, according to the previous owner, regrindable. Electrically interlocked safety cover. Included is a 2 x 1 m base tray which is placed under the machine, with 2 grille inserts. Year of manufacture estimated. The machine was overhauled by Rems around 2015 and has barely been used since, as external threads have been produced on other machines. Since then, the machine has been in storage and is now being sold. Please note: current new price is €26,000. This is a used machine, therefore we sell under exclusion of any warranty. STOCKED DEALER WITH OWN STORAGE AREA OF 1,600 m².

Stanje: novo,

Stanje: kot nova (razstavni stroj),

Stanje: rabljeno, Leto izdelave: 2015, x-travel 600 mm y-travel 800 mm z-travel 600 mm Accuracy 1.7 + L μ Temperature range 20 °C Machine weight approx. 1200 kg Space requirement approx. 1319 x 1940 x 2710 mm Gantry measuring machine on granite measurement plate with high precision, high-accuracy precision guides, wear-free air bearings, contactless scale system on all axes 0.1 μm, as well as with 3-axis CNC control, joystick, PH10M rotary/swivel head, measuring probe scanning kit 2 + scanning module kit. Dell OptiPlex system PC with LED monitor, keyboard, laser printer, and software for graphical representation of form deviation, assistant for generating movement paths, simulation model, Excel protocol output, statistics module. Flexible change system for storing the scanning modules. As is well known, measuring machines must be professionally dismantled by a specialized company and transported with special equipment. For this, a cost factor of approx. 3,500 EUR + VAT must be considered. The machine has already been dismantled, properly secured on pallets, and certified. It is now located in our warehouse. Predpfx Ajvu E Rlsafjc This is a used machine, therefore we sell under exclusion of any warranty. STOCK-HOLDING DEALER WITH 1,600 m² SHOWROOM

Stanje: rabljeno, Leto izdelave: 1970, Vrtalna zmogljivost v jeklu (premer): 50 mm Izmik: 300 mm Vrtalni hod: 200 mm Vretenasti stožec: MK 4 Vretenaste hitrosti: 55 - 600 obr/min Premer mize: 500 mm Podevlah Hepfx Aafjrc Premer stebra: 180 mm Pomiki: 0,07/0,11/0,16/0,22 mm/ob Skupna potrebna moč: 1,47 / 1,84 kW Teža stroja cca: 500 kg Prostorske zahteve cca: 1,3 x 0,65 x 2,17 m Težka stebrna vrtalna mašina z 2-stopenjskim motorjem in nastavitvijo vrtljajev preko jermenice. Stroj s akcijsko ceno! Gre za rabljeni stroj, prodaja je brez kakršnekoli garancije. PRODAJALEC Z ZALOGO IN RAZSTAVNO DVORANO 1600 m².

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1971, Swing diameter over bed: 800 mm Swing diameter over cross slide: 480 mm Turning length: 3000 mm Swing diameter in gap: 850 mm Centre height over bed: 380 mm Bed width: 550 mm Spindle head: DIN 55022/8 Podpswwatrjfx Aaforc Spindle bore: 73 mm Speeds: 18 - 900 rpm Feeds: 224 / 0.018–10 mm/rev Thread pitches – metric: approx. 84: 0.2 – 224 mm Total power requirement: 17.5 kW Machine weight approx.: 8.6 t Space requirements approx.: 5.5 x 1.8 x 1.72 m Solid universal lathe with longitudinal and facing automatic feed, pole-changeable spindle motor (i.e. two spindle speeds by increasing the motor speed), single-lever operation for all slide movements, feed preselection switch, hardened bedways, double-walled bed for high rigidity, front guideway raised and rear guideway set deep in the V-prism for high accuracy, triple bearing spindle, threads in mm, inch and diametral pitch. Year of manufacture is estimated. Extensive accessories! This is a used machine, therefore we sell under exclusion of any warranty. STOCK-HOLDING DEALER WITH 1,600 m² SHOWROOM