Used Flat Bed Die Cutting Machine for sale (72,049)

Condition: new, functionality: fully functional, Year of construction: 2025, control type: CNC control, degree of automation: automatic, laser type: fiber laser, laser power: 3,000 W, warranty duration: 24 months, Equipment: CE marking, centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, Working Area (mm): 3048×1524 X-Axis Travel (mm）: 1524 Y-Axis Travel(mm）: 3048 Z-Axis Travel（mm）: 80 X/Y Axis Positioning Accuracy: ≤0.03mm/m X/Y Axis Repositioning Accuracy: ≤±0.02mm Lodpfexvwcxex Ahvshd Maximum Synthetic Positioning Speed: 150m/min Maximum Acceleration: 1.2G Cutting Slit Width: 0.1mm-0.5mm (measured for platesless than3mm thick) Cutting Surface Roughness: Ra3.2um-Ra25.4um(measured for plate thickness below3mm） Floor Size(mm): 6000*3000 Mainframe Dimension(mm): 5000*2300*1800 Screen Size: 21"LCD TransmissionMode: Rack andpinion dual drive Table Loading Capacity: 1.1(ton)

Year of construction: 2025, condition: new, functionality: fully functional, High Speed · High Precision · High Stability The VS series high-speed laser tube cutter for small pipes has arrived! This machine features a high-precision chuck system designed specifically for tube cutting. With excellent sealing and dust protection, it delivers clamping accuracy within ≤0.1mm ideal for ultra-precise small tube processing. The chuck rotates up to 160 RPM, with acceleration reaching 1.5G, easily enabling high-efficiency processing of small-diameter tubes. easily enabling high-efficiency processing of small-diameter tubes. it supports true ultra-short tail cutting saving cost from the very beginning. Available in 3000W and 6000W, Handles square and round tubes from 10mm to 120mm in diameter, Also capable of cutting angle steel, channel steel, and I-beams Ledpfx Aewwzudehvshd A true all-rounder for small pipe fabrication. Supports automatic or semi-automatic loading Effortlessly enables smart and automated processing. One machine replaces three workers — A powerful and efficient tool for small pipe manufacturing!

Condition: new, functionality: fully functional, Year of construction: 2025, control type: CNC control, laser type: fiber laser, laser power: 3,000 W, Equipment: CE marking, centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, Type: Two chucks Groove function: Standard Lhjdewwz Dlepfx Ahvjd Power range: 3KW, 6KW Round tube processing range: 10mm~160mm Square tube processing range: 10mm~160mm Chuck maximum speed: 130r/min Machine weight: 3T Power specification: 380VAC, 50Hz Optional loading rack: G16pro-automatic loading, G16pro-semi-automatic loading Optional unloading rack: servo unloading rack, cylinder unloading rack Standard: System 3000DE-DH, including nesting, supports servo, dustproof (Y axis), dustproof (X axis), dustproof (Z axis), rear card hollow dust removal, short tail material Optional: safety fence (light curtain), radiation-proof glass

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 6,000 W, travel distance X-axis: 3,030 mm, travel distance Y-axis: 1,520 mm, travel distance Z-axis: 310 mm, total length: 9,500 mm, total width: 4,500 mm, total height: 2,050 mm, Equipment: CE marking, centralized greasing system, cooling unit, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, VS-3015CE 6KW FIber Laser Sheet Cutting Machine Working area (mm) : 3000×1500 Ljdov Ngraepfx Ahvehd X axis travel distance (mm): 1520 Y axis travel distance (mm): 3030 Z axis travel distance (mm)： 310 X/Y axis positioning accuracy ： ≤0.03mm\m X/Y axis repeat positioning accuracy： ≤±0.02mm Max. synthetic positioning speed: 150m\min Max. acceleration: 2G Double-sided control panel, adaptive multi-angle placement, simple disassembly, and can fit into a standard 40HQ container. Industrial-grade special air conditioner, constant temperature and humidity for stable performance. Automatic grease and oil injection system, intelligent air pressure monitoring device, and anti-collision detection device provide intelligent protection.

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 1,500 W, positioning speed: 80 m/min, repeat accuracy: 0.03 mm, input frequency: 50 Hz, warranty duration: 24 months, working range: 6,000 mm, Equipment: cooling unit, safety light barrier, G-12A HIGH SPEED PROFESSIONAL TUBE LASER CUTTING MACHINE 1500-3000W The G series is equipped with many high-quality components with extreme performance and powerful cutting functions,suitable for tube cutting of various types and diameters ● The Highest Standards of Chucks in the Industry ● Two Methods for Fewer-tailing Cutting ● Variable Diameter Wheel Supporting ● Automatic Unloading Device ● Super Dust Removal System ● Patented Dust Baffle ● High-strength Cage Structure Welded Machine Bed Technical Parameter: Power: 1500W-3000W Maximum Tube Processing Size: 6000mm*φ120mm Max. Rotating Speed of Chucks: 160r/min X/Y-axis Positioning Accuracy≤0.05mm X/Y-axis Repositioning Accuracy≤±0.03mm Maximum positioning speed: 80m/min Max. Acceleration: 1.5G Round Tube Processing Dim: Φ10mm-Φ120mm Square Tube Processing Dim: 10mm*120mm Overall Dimensions: 9000mm*2700mm The Highest Standards of Chucks in the Industry The highest standards of chucks in the industry with strong clamping force, high rigidity, high speed, and stable performance Two Methods for Fewer-tailing Cutting Support two fewer-tailing cutting methods , choose one of them on the software interface according to different tube diameters Chuck double jaws: standard double jaws, small tube cutting precision is guaranteed Support: 2 sets of variable diameter wheel support standard (optional to increase to 3 sets)/optional servo support Unloading: [3M/4M] cylinder unloading rack/optional-[3M/4M] servo unloading rack/optional Loading: [Fully automatic loading rack/simple fully automatic loading rack/semi-automatic loading rack]/optional Dust removal: standard rear card hollow dust removal Short tail: chuck fixed, crossbeam fixed, short tail, front card open, rear card Continue to move forward, shorten the tail, ≥80 mm; if the short tail function is not used, the tail is about 200 mm Variable Diameter Wheel Supporting G Series has a wide range of cutting for various types and diameters of tubes, supported by the variable diameter wheel Automatic Unloading Device Efficient automatic unloading, saving time and labor costs, greatly improving production efficiency Super Dust Removal System The super dust removal system with ventilation design inside the chuck and the tube reduces the slag hanging in the tube, which is independently researched and developed by Glorystar Patented Dust Baffle Patented dust baffle protects important components from pollution and ensures stable performance Ledpfxouc Sifs Ahvehd High-strength Cage Structure Welded Machine Bed The industry’s highest-quality high strength cage structure welded machine bed with long life, anti-vibration, anti-torsion and anti-deformation

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 12,000 W, sheet thickness steel (max.): 80 mm, sheet thickness brass (max.): 80 mm, table length: 3,000 mm, table width: 1,500 mm, travel distance X-axis: 1,550 mm, travel distance Y-axis: 3,050 mm, travel distance Z-axis: 290 mm, workpiece weight (max.): 1,400 kg, input voltage: 380 V, input frequency: 50 Hz, type of input current: three-phase, total length: 9,100 mm, total width: 3,120 mm, total height: 2,200 mm, warranty duration: 24 months, working range: 3,015 mm, Equipment: centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, All New Full Cover Fiber Laser Cutting Machine | GS-CE/ GS-CE PRO Series | 3000-60000W MACHINE AVAILABLE ON HAND The machine can be loaded into a container. This GS-CE series FULL COVER FIBER LASER CUTTING MACHINE offers maximum safety for metals cutting. Thanks to its full cover structure and protective glass observation window, you can observe the operation and avoid hazards such as laser radiation, sparks, etc. It also has a fast exchange table, and the exchange is within 10s. It will be your ideal solution for safe and efficient metal cutting! Working platform size: 3000mm*1500mm, 4000mm*1500mm, 6000mm*1500mm, 6000mm*2500mm; Laser power 6KW-80KW Ledpfx Aoub Nwdehvohd CNC system: FSCUT Max. Acceleration：2.8G BOCI cutting head Intelligent anti-collision function Automatic lubrication Schneider relay Laser fault alarm Cooling fault alarm Laser protection glass Water cooler TÜV CE certificate Optional function: automatic loading and unloading system Control unit supports graphic formats: AI, BMP, Dst, Dwg, DXF, DXP External programming System complete incl. cooler, extraction system and safety light barriers Demonstration machine as good as new

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 30,000 W, travel distance X-axis: 3,050 mm, travel distance Y-axis: 13,050 mm, travel distance Z-axis: 450 mm, positioning accuracy: 0.03 mm, repeat accuracy: 0.02 mm, workpiece weight (max.): 20,000 kg, input frequency: 50 Hz, total length: 16,800 mm, total width: 2,200 mm, total height: 5,120 mm, warranty duration: 24 months, working range: 13,000 mm, Equipment: CE marking, centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, safety light barrier, GS-CL Series, Glorystar Single Table Gantry Type Metal Laser Cutting Machine Laser Power: 12000-80000W Fits in a standard 40HQ container The GS-L Series is a high-power metal laser cutting machine with a gantry-type segmented bed design. It can be freely customized to meet processing format requirements according to customer needs. Key Features: ● Super Large Processing Format with a gantry-style segmented design. ● The GS-L Series has the largest Z-axis travel and height in its class in the industry. Supports extreme thickness cutting for plates over 20mm. Capable of cutting ultra-thick plates up to 70mm. ● High Negative Pressure Automatic Partition Dust Removal ● Equipped with a high-air-volume fan for effective dust removal. Technical parameters: Working area (mm): 13000mm*3000mm（bevel cut: 12500mm*2500mm） X axis travel distance (mm): 3050mm Y axis travel distance (mm): 13050mm Z axis travel distance (mm): 450mm X/Y axis positioning accuracy: ≤0.03mm/m X/Y axis repeat positioning accuracy: ≤±0.02mm Max. synthetic positioning speed: 110m/min Lhsdpfx Ahovmwn Hsvsd Max. acceleration: 1.2G Min. setting unit: 0.001mm Floor size (mm): 18500mm*6500mm Main body dimension (mm): 16800mm*5120mm*2200mm Worktable max. weight capacity (T): 20 tons (even load bearing)

Condition: new, Year of construction: 2025, ML750 Ledpfjvv R H Uex Ahvshd Inner chase size 750 X 520 mm Max. die cutting size 750 X 520 mm Working speed 28±2 s/min Max. rule length ≤15 m Motor power 2.2 kW Weight 2000 kg Overall machine dimensions 1650 X 1540 X 1650 mm

Condition: like new (used), Year of construction: 2022, Hot stamping plate dimension(W*L): 330mm* 260mm Die cutting plate dimension(W*L): 330mm* 350mm Max.unwind roll diameter& Max.rewind roll diameter: 650mm(can load 2000 meters material) Max.speed: 23000 times/h Applicable blade height: 7mm-23mm Applicable hot stamping tooling height: 1.5-4mm Lodep H Swdjpfx Ahvohd Die cutting accuracy: 0.1mm Hot stamping accuracy: 0.2mm Dimensions: 5300mmx1300mmx1700mm Voltage/current: 3 phase 380V/32A Main motor power :7.5KW Gross power: 15KW Total weight: About 4000KG

Condition: new, Brand New - One Year Warranty Max. die cutting size 1100 X 800 mm Lhedovv R Hzjpfx Ahved Working speed 23±2 s/min Max. rule length ≤30 m Motor power 5.5 kW Weight 4500 kg Overall machine dimensions 2080 X 1950 X 1900 mm

Condition: excellent (used), Year of construction: 2016, operating hours: 27 h, SBL 1060 SE Year: 2016 Sheet feeder: Manual non-stop pile feeder Material range: Paper and board from 470 × 350 mm to 1060 × 760 mm Max cutting format: 1050 × 740 mm Min sheet size: 470 × 350 mm Max sheet size: 1060 × 760 mm Max cutting pressure: 300 tons Material thickness: 0.1 – 2 mm (corrugated/laminated max 4 mm) Min gripper margin: 9.5 mm Max inside chase size: 1155 × 852 mm Cutting plate size: 1076 × 756 mm Max speed: 8,000 sheets/hour Power consumption: Total 32 kW (22 kW + 10 kW for lower plate heating) Machine dimensions (L×W×H): 5,900 × 5,700 × 2,615 mm Max pile height – feeder (with pallet): 1,750 mm Max pile height – delivery (with pallet): 1,450 mm Feeder Section - Pneumatic feeder table - Non-stop manual feeder system - Anti-static system - Pre-pile device - Manual suction group adjustment - Micrometric suction adjustment Lhjdpfx Aswypp Ishvsd - Motorized side pile adjustment - Suction belt feeder table - High-pressure lubrication pump - 2 pneumatic side register guides - Electronic control of front and side register Cutting/Embossing Section - Automatic pressure adjustment up to 300 tons - Preparation and introduction table for die frames in platen - 2 quick-lock die chase frames with bottom plate - Pneumatic locking of the chase and lower supporting plate - Centerline System - Micrometric system - Heated lower support plate (24 mm) - Cutting plate: 4 mm - Compensation plate: 3 mm - Archiveable 1 mm thin cutting plate Stripping Section - Quick lock for upper and central stripper frames - 2 standard upper stripper frames - 2 standard lower stripper frames - Double accessory kit for lower stripper prep (pins, bars, clamps, etc.) Delivery Section - High-pile automatic non-stop delivery with conveyor - Guillotine for automatic removal of gripper margin waste - Sheet deceleration device - Tab insertion device

Condition: not inspected (used), functionality: unexamined, input voltage: 380 V, input frequency: 50 Hz, total height: 600 mm, total length: 700 mm, total width: 500 mm, overall weight: 150 kg, No minimum price – guaranteed sale to the highest bidder! Submitting a bid obligates timely collection between 04/05/26 and 07/05/26. MACHINE DETAILS Operating voltage: 380 V Frequency: 50 Hz Ledpfoyr Nvwsx Ahvehd Dimensions & Weight Dimensions (L x W x H): 700 x 500 x 600 mm Machine weight: 150 kg External reference: Lot 78

Condition: excellent (used), Year of construction: 2011, XYZ Proturn SLX 355 ProtoTRAK CNC Gap Bed Centre Lathe ProtoTRAK SLX Control (2011) Max’ Distance Between Centres 1000mm Max’ Swing over Cross-slide 225mm Max Swing over Bed 360mm Spindle Bore 52mm Spindle Speeds 50 – 4000 rev/min Spindle Motor 5.75Kw Quick Change Tool Post Tailstock MT4 Tailstock Dia’ 75mm Tailstock Travel 160m Manufactured | 2011 Supplied with: 3 Jaw Chuck Interlocking Chuck & Main Guards Machine Manuals 3 Toolholders (More available if required). TRAKing Constant Surface Speed Coolant Worklight Auto Lubrication For Sale with Jet Machinery Ltd Jet Machinery Stock No: #79003 Machine Serial Number: SL281 Lhodpfxjx D U Ars Ahvod Cost: £22,500.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: excellent (used), Year of construction: 2021, XYZ RMX 3500 3 Axis CNC Bed Milling Machine ProtoTRAK RMX Control YOM 2021 Spindle: 5HP – Programmable 40 – 5000rpm 2 Ranges 40 – 600 & 300 – 5000rpm ISO40 Quill Dia 105mm Table: 1370 x 355mm 4 0ff T Slots T Slot size 15.9mm Max load 600kgs Lhsdpfxox D Tbmj Ahved Travel: X – 787mm Y – 508mm Head Vertical (Z) – 500mm Quill (Z) 127mm Dims without travel – 1905 x 2069 x 2225mm Dim with travel – 2758 x 2869 x 2490mm Weight 2430Kgs Power Requirements 22A Air Requirements 6bar YOM 2021 For Sale with Jet Machinery Ltd Jet Machinery Stock Number: #78900 Machine Serial Number: RM310097 £35,000.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: ready for operation (used), Year of construction: 1992, operating hours: 10,643 h, functionality: fully functional, travel distance X-axis: 1,500 mm, travel distance Y-axis: 815 mm, travel distance Z-axis: 815 mm, rotational speed (max.): 3,600 rpm, controller model: Heidenhain iTNC 530, A retrofit of the machine was carried out in 2010! TECHNICAL DETAILS Travel range X-axis: 1,500 mm Travel range Y-axis: 815 mm Travel range Z-axis: 815 mm Clamping table: 3,250 x 815 mm Table load capacity: 5,000 kg Quill stroke: 150 mm Spindle: SK 50 Speed range: 40–3,600 rpm MACHINE DETAILS Control: Heidenhain iTNC 530 Lhodpfx Asyrdxtehvsd Milling heads: Usable as single, double, triple, or quadruple head Total power requirement: 44 kW Dimensions & Weight Required space: approx. 8 x 4 x 4.5 m Transport dimensions base unit: approx. 6 x 3 x 3.5 m Control cabinet: approx. 2.6 x 0.6 x 2.6 m Machine weight: approx. 20 t Operating Hours Control operating hours: 20,987 h Machine operating hours: 19,703 h Program run time: 10,643 h EQUIPMENT Hydraulics Various sheet metal parts

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2006, operating hours: 2,500 h, travel distance X-axis: 8,500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 95 mm, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS X-axis travel: 8,500 mm Y-axis travel: 400 mm Z-axis travel: 95 mm A-axis: Spindle rotation A1-axis: Tailstock rotation V-axis: Bar support on processing line (90 mm) W-axis: Workpiece support relief (85 mm) X1-axis: Tailstock travel (610 mm) Laser power: 2,500 W Max. tube diameter: 140 mm Max. tube length: 8,500 mm Square tube: 12–120 mm side length Table length: 8,500 mm Working length: 8,500 mm Max. bar length: 8,500 mm Max. total bar weight: 130 kg (15 kg/m) Workpiece total load (max.): 4,000 kg MACHINE DETAILS Control: Sinumerik 840D Laser type: CO laser Ljdpfxsypayuj Ahvshd Laser source model: Rofin DC 025 Input power type: Three-phase Compressed air connection: 6 bar Dimensions & Weight Dimensions (L x W x H): 17,536 x 4,604 x 2,237 mm Total weight: 10,000 kg Operating hours: 22,500 h EQUIPMENT CE marking Documentation/manual Chiller unit Dust extraction Cutting head: Autofocus with capacitive sensor and collision protection Automatic bundle loader with alignment, measuring, and separation system Scimitar tube transfer system CNC-controlled tube support system with 5 active support units Intelligent part ejection with conveyor belt for short pieces up to 300 mm Fume extraction: 2,000 m³/h with high-performance filtration system Cooling: MTA TAE 121 chiller, 260-liter cooling circuit Hydraulics: 25-liter tank, 25 l/min pump, 70 bar system pressure

Condition: not inspected (used), Year of construction: 2012, operating hours: 9,910 h, functionality: unexamined, working height: 45 mm, working length: 2,600 mm, TECHNICAL DETAILS Max. working length: 2,600 mm Max. working height: 45 mm MACHINE DETAILS Total connected load: 6.5 kW Operating hours: 9,910 h The machine is sold and delivered in its actual and legal condition ("as seen and approved") based on photographic documentation and technical/commercial documents of a descriptive nature. The buyer has the right to inspect the goods prior to collection and assumes responsibility for the installation, securing, and operation of the machine at the destination. External reference: 6063 Lhedpfx Ahjyq Ez Hsved

Condition: not inspected (used), Year of construction: 1986, functionality: unexamined, travel distance X-axis: 2,000 mm, travel distance Y-axis: 900 mm, travel distance Z-axis: 1,000 mm, rotational speed (max.): 1,700 rpm, controller model: Heidenhain TNC 155, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS X-axis travel: 2,000 mm Y-axis travel: 900 mm Z-axis travel: 1,000 mm Clamping surface: 2,200 x 960 mm Spindle speed range: 20 – 1,700 rpm Tool holder: SK 50 Rapid traverse: 10 m/min Number of milling head positions: 4 MACHINE DETAILS Ledpfxjyv Ar Uj Ahvshd Control model: Heidenhain TNC 155 Dimensions & Weight Space requirement (L x W x H): approx. 7,000 x 4,200 x 2,900 mm Machine weight: approx. 16 t

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2011, machine/vehicle number: 908, laser power: 3,200 W, travel distance X-axis: 1,500 mm, travel distance Y-axis: 4,500 mm, travel distance Z-axis: 600 mm, No minimum price – guaranteed sale to the highest bidder! Bids are binding and require collection within the period from 08/04/26 to 16/04/26! TECHNICAL DETAILS X-axis travel: approx. 1500 mm Y-axis travel: approx. 4500 mm Z-axis travel: approx. 600 mm Laser power: 3.2 kW Table dimensions: 3500 x 2000 mm MACHINE DETAILS Lifting device model: TRUMPF LOADMASTER Number of suction units (lifting device): 12 Lifting device features: Light barrier system Dimensions & Weight Dimensions (L x W x H): 12000 x 7000 x 2400 mm Machine weight: 15 t EQUIPMENT Shuttle table Ledpjylalvsfx Ahvjhd Additional laser head Accessories Note: The laser cutting system can be transported on trucks up to 3000 mm wide and therefore does not require a special permit. External reference: 18

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, Overall height: 1350 mm Width with control cabinet: 850 mm Depth: 1420 mm Motor power: 1.5 / 3.0 kW Disc diameter: 200 mm Lsdpfxsywr Alo Ahvjhd Cutting range up to: 40 mm

Year of construction: 1985, condition: used, machine/vehicle number: 60802 A 17983 J, cutting circuit: bis 400 A space needed: 820 x 1220 x 930 mm weight: 750 kg Ledpe Sdrfefx Ahvohd

Condition: excellent (used), machine/vehicle number: 02 P 0587, cutting circuit: 15 - 40 A electrical connection: 230 V, 16 A kW space needed: 470 x 250 x 250 mm weight: 10 kg Lhjdjdyy Diepfx Ahved

Year of construction: 1990, condition: used, machine/vehicle number: 90030003, table size: 500 x 1200 mm movement x: 1000 mm movement y: 550 mm movement z: 600 mm spindle taper: ISO 40 spindle turning speed range: 60 - 2700 rpm spindle drive: 10 kW electrical connection: 380 V, 20 kVA kW space needed: 3200 x 2800 x 2650 mm weight: 7,3 t Ledps Npwfofx Ahvohd

Condition: ready for operation (used), machine/vehicle number: 4105, Grinding area: approx. 130 x 255 mm Grinding speed: 2800 rpm Table size: 150 x 300 mm Drive motor: 380 V, 1.5 kW Required space: 750 x 700 x 1700 mm Weight: about 380 kg Lsdpfx Ajh Ugwvohvehd Cup wheel Ø: 180 mm

Condition: ready for operation (used), machine/vehicle number: 30116, Arc current at 100% ED: 120 A Voltage: 110V Ledpfx Asga Tmyohvehd electr. Connection for: 380 or 400 V Required space: 1250 x 900 x 1000 mm