Used Bernardo Bs 310 Dg for sale (183)

Condition: new, bore capacity in steel (diameter) 32.0 mm threading max. M 24 throat 265 mm bore stroke 150 mm turning speeds 320 - 1820 U/min morse taper 3 MK table-size 332 x 332 mm T-slots 14.0 mm column diameter 100 mm 400 x 380 mm distance spindle/base plate max. 735 mm voltage 400 V total power requirement 2.2 kW weight 246 kg range L-W-H 520 x 920 x 1380 mm Description: - robust table drilling machine with thread cutting device - very smooth running thanks to pulleys made of gray cast iron - drive: V-BELT - quality ball bearings ensure a high concentricity of the spindle - large drilling table with diagonally running T-slots - drilling table height adjustment via rack - thread cutting device - powerful and high-torque aluminum motor in accordance with IP 54 - standard with T-slots in the ground base plate - ergonomic handles for comfortable working Bslqyumovyumme Ejwl - foldable drilling spindle guard - emergency stop button at the front - manual drilling depth adjustment - control cabinet - left with main switch

Condition: as good as new (ex-display), Year of construction: 2022, Carriage length: 3200 mm Cutting width at the width stop: 1250 mm Cutting width at the crosscut stop: 2800 mm Cutting depth: 90 mm Scoring unit: yes Sawblade height adjustment: manual Bolqyumsh Ucihj Eowl Sawblade pivot adjustment: manual Width stop adjustment: manual Sawblade angle indicator: scale Cutting height indicator: - Width stop indicator: scale Crosscut ruler indicator: scale Sawblade diameter: 315 mm Speeds: 4000 / 6000 rpm Motor power: 4 kW Exhaust connection: 100 mm Machine length: 3300 mm Machine width: 2000 mm Weight: 650 kg

Condition: excellent (used), Year of construction: 2009, Bernardo FM 45 V drilling and milling machine. The FM 45 V drilling and milling machine offers an optimal price-performance ratio thanks to the standard spindle feed. The dovetail guide of the gear head ensures maximum precision and stability. Drilling capacity in steel 32 mm Drilling capacity in cast iron 40 mm Throat 260 mm Spindle speed (12) 50 - 2520 rpm Spindle mount MK 4 Quill stroke 120 mm Quill feed (3) 0.12 / 0.19 / 0.26 mm/rev Table size 820 x 240 mm Distance spindle / table 40 - 485 mm Travel path (x / y) 550 / 190 mm Height adjustment of milling head 400 mm T-slot size 14 mm T-slot distance 55 mm Motor output power S1 100% 0.85 / 1.1 kW (400 V) Motor input power S6 40% 1.1 / 1.5 kW (400 V) Machine dimensions (W x D x H) 1150 x 850 x 1450 mm Weight approx. 285 kg Standard with automatic spindle feed and thread cutting device Large speed range 50 - 2520 rpm (12 levels) Dovetail guide for x, y and z axes, adjustable via wedge strips Versatile application options, slot milling, face milling, boring,.... Solid large cross table, precisely surface-machined Bwjlqyevutw Heum Esl Milling: spindle feed via handwheel Drilling: spindle feed via handwheel High-quality aluminum motor, designed for continuous operation Stable and vibration-free cast design Simple and quick speed change using a gear lever Pivoting milling head for angle drilling, milling bevels, etc. Location: from stock 54634 Bitburg - available at short notice -

Condition: new, The machine does not include a stand. The BF3 Deluxe stand is available separately under item no. 56-1017. Drilling capacity in steel: 32 mm Drilling capacity in cast iron: 40 mm Max. cutter head diameter: 80 mm Throat: 220 mm Bslqyumsfkz Tio Ejwl Spindle speed: (12) 75 – 3200 rpm Spindle mount: MT 4 Quill stroke: 120 mm Quill feed: (3) 0.10 / 0.18 / 0.26 mm/rev Table size: 800 x 240 mm Travel (x / y): 555 / 205 mm Milling head tiltable: -60° to +60° Spindle / table distance: 60 – 485 mm Milling head height adjustment: 425 mm T-slot size: 14 mm Motor power output S1 100%: 1.1 / 1.5 kW (400 V) Motor power consumption S6 40%: 1.5 / 2.2 kW (400 V) Machine dimensions (W x D x H)*: 1140 x 770 x 1500 Weight approx.: 308 kg * without base frame Features: - Powerful 2-speed motor, speed range 75 - 3200 rpm - Milling head pivots to both sides for angle drilling, milling chamfers, etc. - High safety thanks to height-adjustable chuck guard with microswitch - Standard with automatic spindle sleeve feed and thread cutting device - Dovetail guide for x-, y-, and z-axes, adjustable via V-ledges - Quick and easy speed changes using the gear selector switch - Standard with digital display for spindle sleeve feed - High stability thanks to the dovetail guide of the gear head - Spindle adjustment via handle Fine adjustment via handwheel - Stable and vibration-free cast iron construction Scope of delivery: - 3-axis digital readout i200 with LCD display - Keyless drill chuck 3 – 16 mm / B 16 - Drill chuck arbor MT 4 / B 16 - Drawbar spindle M 16 - Reducing sleeve MT 4/3 - Combined shell mill arbor MT 4 / 27 mm - Height-adjustable protective cover - Automatic sleeve feed - LED machine light - Digital sleeve stroke display - Thread cutting device - Lamellar protective cover - Longitudinal measuring scale - Operating tool

Condition: good (used), Year of construction: 2011, Center high 230 mm Between centers 1500 mm Swing dia over bed 465 mm Swing dia over cross slide 270 mm Swing dia in bridge 690 mm Length of bridge 240 mm Spindle hole 58 mm Spindle face CAMLOCK D1-6 Spindle taper MT 6 Bjlqyewb Dm Djum Eswl Speed range 25 – 2000 rpm (12 ranges) Tailstock taper MT 4 Pinole travel 128 mm Spindle power 5,5 kW Weight 1720 kgs Dimensions LxWxH = 2700 x 1080 x 1370 mm Accessories - SINO 3 axis D.R.O. - 3 jaws chuck D250 mm - Tailstock - Coolant unit - 4-fold toolholder

Condition: used, Year of construction: 2005, Used machine Year of manufacture 2005 Bernardo S 480 P wood band saw Cutting width 600 mm Cutting height 435 mm Saw blade length 4590 mm Cutting speed 1560 m/min Table dimensions 610 x 700 mm Table height 910 mm Saw table inclination 0 - 45° Extraction nozzle diameter 100 mm Motor power 4 kW Voltage 400 V Weight approx. 330 kg Sturdy wood band saw with large, swiveling gray cast iron saw table. The cutting height is adjusted using a handwheel and can be read precisely on a mm scale. For precise work, the saw blade run can be checked via a viewing window on the front. Cutting width: 465 mm Cutting height: 310 mm Saw blade length: 3640 mm Cutting speed: 439 / 939 m/min Table dimensions: 480 x 480 mm Table height: 950 mm Bjlqyuovymg Som Eswl Saw table inclination: -10° to +45° Extraction nozzle diameter: 2 x 100 mm Roller diameter: 480 mm Motor power: 1.5 kW (2.0 HP) Weight: approx. 145 kg Cutting height adjustment using a handwheel via a rack with a mm scale Torsion-free machine body guarantees smooth and precise running Die-cast aluminum flywheels with special rubber bandage for a long service life of the saw blades Large-dimensioned saw table made of gray cast iron, swivels from -10° to +45° Standard with two suction nozzles (100 mm) for optimal chip extraction Easily movable parallel stop made of aluminum with quick clamping system and integrated magnifying glass Standard with two speeds to adjust the cutting speed to the respective material Viewing window on the front to check the saw blade run Availability: short term Storage location: Flörsheim

Condition: new, sheet width 2020 mm plate thickness 2,0 mm daylight opening 124 mm bending angle max. 0 - 135 ° Bjlqyskm Rq Rsum Eewl work height max. 930 mm total power requirement von Hand kW weight of the machine ca. 1.010 kg dimensions of the machine ca. 2,75 x 0,56 x 1,26 m characteristics - Easy to use swivel bending machine - Flat guide for exact movement of the upper beam - Manually adjustable bending angle using a scale - Robust welded steel construction, designed for heavy use - Large opening width for processing tall workpieces - Optionally with back gauge for series work - Quick and easy bending process using a bow handle - Workpiece clamping by means of a large lever

Condition: new, Year of construction: 2022, Suction nozzle diameter: 180mm Nominal volume flow: 4200 m³/h Scavenging bag volume: 2 x 175 l Filter cleaning: manual Bweljd Txbljqyum Eel Motor power: 3.8 kW / 400V Machine height: 1700 x 600 x 2400 mm (L x W x H) Weight: 69 kg

Condition: excellent (used), Year of construction: 2010, Bernardo VMS 360 vertical band saw. Top condition as a training machine - hardly used The vertical band saws in the VMS series are suitable for sawing almost all sawable materials (e.g. steel, plastic, non-ferrous materials, colored materials, etc.). They are mainly used in general production, in tool and fixture construction for the manufacture of punching and cutting tools. Cutting width: 355 mm Cutting height: 230 mm Working height: 960 mm Cutting speed 20 - 90 m/min Saw band length: 2840 mm Saw band width: 3 - 16 mm Table size: 500 x 400 mm Motor power: 0.75 kW Blade welding device: 2.4 kVA Machine dimensions (L x D x H) Boljvutxdeqyum Eswl 940 x 560 x 1850 mm Weight approx. 250 kg Comes standard with band welding device, annealing device, scissors and grinding stone Comes standard with continuously adjustable cutting speed Machine body made of robust steel construction for smooth running Precision blade guide for optimal cutting results Ideal for sawing complicated contours and shapes Blow-out device with compressor included in delivery For radius sawing, saw bands from 3 mm width available Solid cast iron table, the large support surface ensures safe working Location: from stock 54634 Bitburg - available at short notice -

Condition: new, Special offer price for in-stock items! Only while supplies last! Price net ex-works, freight prepaid. The machine does not include a base frame. BF3 Deluxe base frame is available separately under item no. 56-1017. Drilling capacity in steel: 32 mm Drilling capacity in cast iron: 40 mm Max. cutter head diameter: 80 mm Throat: 220 mm Spindle speed: (12) 75 - 3200 rpm Spindle mount: MT 4 Quill stroke: 125 mm Table size: 800 x 240 mm Travel (x / y): 555 / 225 mm Milling head swivel range: -90° to +90° Distance spindle to table: 60 - 485 mm Milling head height adjustment: 425 mm T-slot size: 14 mm Motor power output S1 100%: 1.1 / 1.5 kW (400 V) Motor power input S6 40%: 1.5 / 2.2 kW (400 V) Machine dimensions (W x D x H)*: 1140 x 770 x 1500 mm Weight approx.: 287 kg * without base frame Features: - Easy and quick speed changes using the gear selector switch - Versatile applications such as drilling, milling, threading, etc. - Extremely smooth operation thanks to ground gears running in an oil bath - Forward and reverse rotation for threading - Spindle adjustment via handle, fine adjustment via handwheel - Dovetail guide for the x-, y-, and z-axes, adjustable via V-shaped guides - Milling head pivots on both sides for angle drilling, milling chamfers, etc. - Large, solid cross table with precise surface finish - Optimal price-performance ratio for the cost-conscious user Scope of delivery: Keyless drill chuck 3-16 mm / B 16 Drill chuck arbor MK 4 / B 16 M 16 drawbar spindle MK 4/3 reduction sleeve MK 4/27 mm combination milling arbor Height-adjustable protective cover Thread cutting device LED machine light Digital spindle stroke indicator Lamellar protective cover Longitudinal measuring scale Operating tool Bwslqyumodh Hbce Ejl

Condition: new, turning length 1500 mm turning diameter 560 mm turning diameter over slide 350 mm turning speeds 25 - 1600 U/min swing diameter over bed slide 350 mm turning dia. in gap 785 mm quill travel 180 mm spindle bore 105,0 mm engine output 7,5 kW spindle taper DIN 55029 D 1-8 quill: 5 MK weight of the machine ca. 2.370 kg. range L-W-H 2.840 x 1.150 x 1.460 mm Scope of delivery: - 3-axis digital display ES-12 V with LCD display - 3-jaw chuck PS3-315 mm / D8 - Clamping disk 450 mm - Fixed steady rest - passage diameter max. 180 mm - Follow-on steady rest - passage diameter max. 120 mm - 2 centering points - Initial filling with Shell Tellus 46 - Motor with magnetic brake in accordance with CE standard - Foot pedal with brake function in accordance with CE - Coolant system - Quick-change tool holder with 4 inserts - Protective device for quick-change tool holder - Slip clutch - LED machine light - Change gears Belju Elm Ejqyum Eewl - Reduction sleeve - Chip back wall - Operating tool

Condition: new, Year of construction: 2022, Suction nozzle diameter: 200 mm / 2 x 100 mm Nominal volume flow: 2000 m³/h Scavenging bag volume: 1 x 110 l Filter cleaning: manual Bwslqyumsfbmzgo Esl Motor power: 1.5 kW / 400V Machine height: 1000 x 500 x 2100 mm (L x W x H) Weight: 39 kg

Condition: new, bore capacity in steel (diameter) 32,0 mm throat 230 mm bore stroke 120 mm morse taper 3 MK table: 400x320 mm turning speeds 105 - 1725 U/min total power requirement 1,2 kW weight 245 kg range L-W-H 470x810x1710 mm Furnishing: - Compact, stable cast iron construction in a modern design - Infinitely variable speed control - is changed The speed is read on a digital display - Table height adjustment via rack and crank - Right and left rotation of the quill for thread cutting - Powerful 2-stage motor, speed range from 105 - 1725 rpm - Base plate with T-slots for clamping high workpieces - Safety switch with undervoltage release - The spindle runs in the precision ball bearing scope of delivery - Key chuck 1 - 13 mm / B 16 Bwslqyusvf Nzvom Eol - Drill chuck arbor MK 3 / B 16 - Reducing sleeve MK 3/2 - Digital speed display - LED machine light - Height-adjustable protective cover

Condition: new, power capacity 0,75 kW degree 45° Grad turning speeds 10.000 U/min milling height 4,0 mm motor 400 Volt range L-W-H 560 x 300 x 450 mm weight 44,0 kg Description : Belqsixmlmoyum Eowl - Advantage of the sliding guide rail: the workpiece is not moved and therefore cannot be scratched - Ideally suited for deburring and chamfering (visible edges) of various - Materials e.g .: steel, aluminum, non-ferrous materials, plastics, etc. - Ideal for producing visible edges with excellent surface quality - High dead weight for vibration-free work scope of delivery - Slidable guide rail 500 mm - milling head - HM indexable inserts - Operating tool

Condition: new, plate thickness 1,50 mm blade length 150 x 150 mm table: 457 x 305 mm cutting angle 90 ° adjustment of stroke 20,0 mm weight 73,0 kg range L-W-H 460 x 630 x 1150 mm - Notching with a burr-free cut, without deformation of the cut edges Bwelqjixm Dzeyum Eel - For punching out corners, shapes, etc. up to a maximum of 150 x 150 mm - Body made of high-quality gray cast iron for precise work - Blades made of surface-hardened tool steel Furnishing: - manual notching machine - 2x material stops - Scales support tables - hand lever

Condition: new, bore capacity in steel (diameter) 32,0 mm throat 255 mm bore stroke 120 mm morse taper 4 MK table: 385 x 335 mm turning speeds 80 - 2130 U/min Bolqyuovixnysm Eowl total power requirement 1,1 / 2,2 kW weight 125 kg range L-W-H 460 x 900 x 1730 mm Furnishing: - Surface-machined work table - Height adjustable via rack and hand crank - Ground base plate with T-slots for clamping high workpieces - V-belt drive with balanced drive pulleys for smooth running - Adjustable drilling depth stop for precise infeed of the quill - Powerful 2-stage motor, speed range from 80 - 2130 rpm - Direction of rotation switch for clockwise and counterclockwise rotation included in the scope of delivery - Cross line laser device for comfortable work - Compact, stable cast iron construction in a modern design - Stable and polished steel column, designed for heavy use Scope of delivery: - Drill chuck arbor MK 4 / B 18 - Keyless chuck 1 - 16 mm / B 18 - Cam switch for right-left rotation - Cross line laser device - T-nuts - Height-adjustable protective cover

Condition: new, bore capacity in steel (diameter) 28,0 mm threading 12 M bore stroke 130 mm throat 250 mm table: 375 x 375 mm morse taper 3 MK turning speeds 75 - 3.200 U/min total power requirement 1,1 / 1,5 kW weight of the machine ca. 215 kg. range L-W-H 450 x 600 x 2.020 mm Description : - 12 switchable speeds thanks to the powerful 2-stage motor - Direction of rotation switch for clockwise and counterclockwise rotation for thread cutting - Solid work table (rotatable 360 ??°), swiveling from -45 ° to + 45 ° - Machined machine base for clamping particularly high workpieces - Quality ball bearings ensure high concentricity - Easy tool change thanks to the automatic tool ejector - Adjustable drilling depth stop, drilling depth can be read off using a scale - Stable and polished steel column, designed for heavy use - Very smooth running thanks to ground gears in the gearbox - High level of safety thanks to the height-adjustable chuck guard with microswitch Scope of delivery: - Key chuck 1 - 13 mm / B 16 - Drill chuck arbor MK 3 / B 16 - Reduction sleeve MK 3/2 Bwelqyumed Ikywj Ejl - Automatic tool ejector - Thread cutting device - Right-left rotation device - Height-adjustable protective cover - work light

Condition: new, sheet width 2065 mm Bwelqyujixmypom Esl plate thickness 1,20 mm daylight opening 30,0 mm bending angle max. 0 - 135 ° total power requirement manuell weight of the machine ca. 500 kg. dimensions of the machine ca. 2400 x 1115 x 1150 mm - Universally applicable bending machine for plumbing and repair shops - Robust construction in a modern design - easy adjustment of the upper beam by means of a foot pedal, Hands are free for the workpiece - manual bending machine for standard bending tasks - segmented upper beam for a large number of bending options - An auxiliary cylinder supports the bending process when folding - faster and easier bending process using a bow handle - easy adjustment of the lower beam to the respective sheet thickness - high upper beam for the production of high-edged profiles Furnishing : - Segmented upper cheek - back gauge - bending segments 38 | 38 | 38 | 50 | 50 | 50 | 50 | 76 | 76 | 101 | 127 | 152 | 203 | 254 | 254 | 254 | 254 mm

Condition: new, bore capacity in steel (diameter) 28,0 mm throat 320 mm bore stroke 150 mm morse taper 3 MK table: 500 x 350 mm turning speeds 75 - 3010 U/min total power requirement 1,35 / 1,7 kW weight 290 kg range L-W-H 600 x 700 x 1900 mm Description: - Standard with automatic quill feed (0.04 - 0.3 mm / rev) - Helical gear for optimal power transmission - High efficiency and smooth running thanks to helical gears - in combination steel against reinforced fiber material - Automatic quill feed - is deactivated when the set drilling depth is reached - Direction of rotation switch for clockwise and counterclockwise rotation for thread cutting - Stable and polished steel column, designed for heavy use - Quality ball bearings ensure high concentricity - 8 switchable speeds through powerful 2-stage drive motor - Adjustable drilling depth stop with mm scale Scope of delivery: Bolqyusvf Ny Sem Eswl - Keyless chuck 1 - 16 mm / B 16 - Drill chuck arbor MK 3 / B 16 - Reducing sleeve MT 3/2, MT 3/1 - Automatic tool ejector - Right-left rotation device - Height-adjustable protective cover

Condition: new, pressure 1000 kg throat 95.0 mm table length 120 mm table width 120 mm total power requirement manuell kW weight of the machine ca. 17.0 kg dimensions of the machine ca. 270 x 130 x 330 mm Description: - For pressing in and out bearings, bushings, etc. - Made of torsion-resistant steel - Includes mounting holes, ideal for mounting on a workbench - Suitable for bushing removal, straightening, bending, reaming, etc. - Adjustable lever bar, depending on the required force Bwslqjixm Dhsyum Esl - Ideal for repair shops and general workshop use

Condition: new, pressure 40.0 t Bwelqyeu Tv D Usum Esl chamfer lenght 1600 mm distance between columns 1200 mm column arm 200 mm ram stroke speed 60.0 mm/sec return speed 80. mm/sec work speed 60.0 mm/sec work stroke 100 mm table height 760 mm table width 150 mm oil volume 130 ltr. voltage 400 Volt Control ESA E21 total power requirement 4.0 kW weight 3030 kg range L-W-H 2050 x 1800 x 2030 mm Furnishing: - compact hydraulic press brake - BERNARDO NC control model E21 - swiveling control panel - electrical adjustment of the backgauge - Back stop on recirculating ball spindles - electrical adjustment of the immersion depth - Laser protection device in front - Upper deer foot tool - divided - Tool holder with quick change system - Universal die block - side + rear protective device - 2x front support arms - movable double foot switch (operation)

Condition: new, pressure 20,0 t stroke 185 mm table surface area 170 mm Breite column travel between the guideways 510 mm weight of the machine ca. 112 kg dimensions of the machine ca. 1630 x 560 x 730 mm Furnishing: - Standard with pressure cylinder that can be moved to the left and right Bslqyjlki E Tsum Ejwl - For aligning, pressing, bending, assembling gears, discs, etc. - Standard with foot pedal and hydraulic hand pump for piston delivery - Standard with support prism for aligning shafts - With automatic piston retraction by integrated return spring as standard - Height-adjustable press table with locking bolts - Large manometer for reading the compressive force - Including two-stage hydraulic pump - Robust construction with welded steel frame

Condition: new, turning length 1500 mm turning diameter 460 mm swing diameter over bed slide 270 mm turning dia. in gap 690 mm spindle bore 80.0 mm turning speeds 25 - 1700 U/min bed width 300 mm spindle taper DIN 55029 D 1-8 taper in tailstock 4 MK Bslqysu Elkdeum Ejwl quill travel 130 mm total power requirement 5.5 kW weight of the machine ca. 1845 kg. range L-W-H 2750 x 1080 x 1600 mm Scope of delivery: - 3-axis digital display ES-12 V with LCD display - 3-jaw chuck PS3-250 mm / D8 - Clamping disk 450 mm - Coolant system - Initial filling with Shell Tellus 46 - Fixed steady rest - passage diameter max. 150 mm - Follow-on steady rest - passage diameter max. 110 mm - Quick-change tool holder with 4 inserts - Protective device for quick-change tool holder - Motor with magnetic brake according to CE standard - Foot pedal with brake function according to CE - Slip clutch - Rapid traverse lengthwise and facewise - Change gears - 2 centering points - Reducing sleeve - Thread gauge - LED machine light - Chip back wall - Operating tool

Condition: new, sheet width 1270 mm plate thickness 2.0 mm daylight opening 48.0 mm daylight opening 150 mm ohne Segmente bending angle max. 0 - 135 ° work height max. 900 mm weight of the machine ca. 465 kg dimensions of the machine ca. 1620 x 1070 x 1280 mm Furnishing: - Swivel bending machines with segm. Upper, lower and bending beam - Universally usable bending machine for sheet metal works and repair shops - Robust construction in a modern design - Easy adjustment of the upper beam using a foot pedal - Hands are free for the workpiece - Manual bending machine for standard bending tasks - Segmented upper beam for a large number of bending possibilities - Optimum price-performance ratio - Quick and easy bending process using the bow handle - Non-slip rubber covering on the foot pedal for safe working - Easy adjustment of the lower beam to the respective sheet thickness Bwjlqokm Rrkjyum Eol - High upper beam for the production of high folded profiles Scope of delivery : - Segmented upper, lower and bending beam - manual backgauge - Corner segment left / right each 75 mm | 25 | 30 | 35 | 40 | 45 | 50 | 75 | 100 | 200 | 250 | 270mm

Condition: new, sheet width 1020 mm plate thickness 2.5 mm daylight opening 48.0 mm daylight opening 150 mm ohne Segmente bending angle max. 0 - 135 ° work height max. 900 mm weight of the machine ca. 340 kg dimensions of the machine ca. 1350 x 820 x 1300 mm Furnishing: - Swivel bending machines with segm. Upper, lower and bending beam Bolokm Rq Usqyum Eswl - Universally usable bending machine for sheet metal works and repair shops - Robust construction in a modern design - Easy adjustment of the upper beam using a foot pedal - Hands are free for the workpiece - Manual bending machine for standard bending tasks - Segmented upper beam for a large number of bending possibilities - Optimum price-performance ratio - Quick and easy bending process using the bow handle - Non-slip rubber covering on the foot pedal for safe working - Easy adjustment of the lower beam to the respective sheet thickness - High upper beam for the production of high folded profiles Scope of delivery : - Segmented upper, lower and bending beam - manual backgauge - Corner segment left / right each 75 mm | 25 | 30 | 35 | 40 | 45 | 50 | 75 | 100 |200 | 270 mm