Used Bernardo Bm 20 T for sale (193)

Condition: new, Folding machine with segmented clamping beam TB 1020 Technical specifications Working length 1020 mm Max thickness of sheet metal (400 N / mm2) 2.5 mm Maximum opening width 48 mm Bending angle 0-135 ° 1350 mm wide Depth * 1115 mm Chedod Hxmnspfx Aaqod Height 1140 mm Weight approx. 290 kg * with Backgauge Properties Universal bending machine for sheet metal working and repairers Robust construction in modern design Slight adjustment of the upper beam by means of foot pedal, hands are free for the workpiece Manual bending machine for standard bending tasks Segmented clamping beam for a large number of bending possibilities Optimal price-performance ratio Faster and easier bending operation via handle Easy setting of the lower beam on the corresponding thickness High upper beam for the manufacture of highly bent profiles Scope of delivery Segmented clamping beam Backgauge Bending segments 25 | 30. 35. 40. 45. 50. 75. 100. 150. 200. 270 mm

Condition: new, Bernardo Hydraulic guillotine shear HSB 2000 x 6 Cutting length 2000 mm Max. sheet thickness * 6 mm Cutting angle 1° 45' Motorized backgauge 0 - 600 mm Chedpoqpfwyofx Aaqjd Strokes / min 12 Number of hold-down devices 8 pcs. Table height 800 mm Support arms 3 pcs. Oil tank 100 liters Motor power 7.5 kW Length 2800 mm Depth 2800 mm Height 1670 mm Weight approx. 3925 kg * Material strength 400 N/mm² Scope of delivery: - Cutting gap adjustment - Cutting line lighting - Motorized NC backgauge - Front sheet supports - Lateral stop - Angle stop - Protective plate with photocells - E21S control unit - Foot pedal with emergency stop - Tool steel blade

Condition: new, Bernardo Hydraulic guillotine shear HSB 2000 x 4 Csdpjqpfrmjfx Aaqshd Cutting length 2000 mm Max. sheet thickness * 4 mm Cutting angle 1° 30' Motorized backgauge 0 - 600 mm Strokes / min 12 Number of hold-down devices 8 pcs. Table height 760 mm Support arms 3 pcs. Oil tank 100 liters Motor power 4.0 kW Length 2700 mm Depth 2600 mm Height 1600 mm Weight approx. 3015 kg * Material strength 400 N/mm² Scope of delivery: - Cutting gap adjustment - Cutting line lighting - Motorized NC backgauge - Front sheet supports - Lateral stop - Angle stop - Protective plate with photocells - E21S control unit - Foot pedal with emergency stop - Tool steel blade

Condition: new, Bernardo motor plate shear MTA 2060 x 3 mm NCC Cutting length 2060 mm Maximum sheet thickness * 3 mm Cutting angles 1° 30' Strokes / min 31 Working height 810 mm Back gauge 0-750 mm Table width 390 mm Motor 4,0 kW Width 2600 mm 2100 mm deep Height 1260 mm Weight CA. 1710 kg Material I a tensile strength 400 N / mm² Properties Fitted with metal high restraint, optimal for thin sheet metal Support arms on the front panel for easy editing of large panels Motorized Backgauge, precise method of Ballscrews Codpfx Aajd Hxnhsqjhd Clearly structured control panel with integrated controller Robust steel sheeting construction for vibration-free operation Support table with erected fence on both sides High operator safety protection coverage and photo cells at the back of the machine 2-edged blade made of quality steel guarantee a clean and grafreies cutting Automatic hold-down device for the fixation of the plate Scope of delivery Cutting line illumination Motor NC Backgauge Front trays Side attacks Fender with photo cells NC BRL 401.2 Pneumatic sheet high retaining device Foot pedal with emergency stop Blades made of tool steel

Condition: new, Bernardo universal lathe Titan 660 x 2000 Chsdpfx Aasfbbx Reqed Technical Specifications Centre distance 2000 mm Centre height 330 mm Swing diameter over bed 660 mm Swing diameter over cranking 900 mm Swing diameter over cross slide 460 mm Bed width 400 mm Spindle bore 105 mm Spindle mounting DIN 55029, D1-8 Speed range (16) 25 - 1600 rpm Range of longitudinal feeds (25) 0.044 - 1.48 mm/U Plan feed range (25) 0.022 - 0.740 mm/U Metric threads (54) 0.45 - 120 mm inch thread (54) 7/16 - 80 Gg/1″ Pinol diameter 90 mm Sleeve travel 235 mm Sleeve holder MK 5 Engine power 7,5 kW (10,0 PS) Machine dimensions (W x D x H) 3630 x 1200 x 1520 mm Weight approx. 2900 kg Features & Benefits Versatile application possibilities in general mechanical engineering, production, single part production, ... Central, handy switch for feeds and threads with guide and feed spindle Prism bed made of grey cast iron, inductively hardened and precision ground Modern main spindle bearings with angular contact roller bearings in precision design Hardened and ground gears and shafts, also in the feed gear Rapid traverse lengthwise and flat as standard to reduce non-productive times Large spindle bore (105 mm) for large diameter workpieces Soft start due to the mechanical multi-disc clutch Electromechanical foot brake to reduce non-productive time Best cutting performance even during face turning For stiffening the bed guide and for minimizing

Condition: new, Bernardo TM 36 BLO/ R 1200 Electric threading machine Technical specifications Threaded holes* M5 - M36 Tool holder GT 24 Speed max. 30 - 150 rpm Adjustable angle 0° - 90 Max. Working radius R 1200 mm Quick-change chuck DIN 376: M5-6 / M8 / M10 / M12 / M14 M16 / M18 / M20 / M22-24 / M27 / M30 / M33 / M36 Motor power 1200 W Voltage 230 V Weight approx. 35 kg * Material strength 400 N / mm2 Scope of delivery Operation via touchscreen Digital drilling depth display Micro spray system Blow-out device Quick-change holder Quick-change chuck according to DIN Electric motor Cedpfx Aaepag R Rsqjhd 90° angle adjustment Mounting flange features With micro-spray system as standard for constant cooling and minimum cooling lubricant consumption Includes blow-out device for removing chips, providing an optimum view of the drill hole Includes quick-change chuck for using taps for through holes and blind holes Swivel motor unit for tapping at any desired angle between 0° and 90 Higher accuracy compared to manual tapping, thread is guaranteed to be at right angles (90°) High productivity, significant time savings compared to manual tapping Quick-change chuck with integrated slip clutch prevents the tap from breaking Includes swivel arm with large radius for easy positioning of the tap on the workpiece For tapping in steel, stainless steel, aluminum and non-ferrous metals Price: Base frame 900 x 600 mm with 2 drawers for TM series 830.00 € plus 19% VAT

Condition: new, Bernardo belt grinder MS 150 x 2000 DC-2 / 400 V Technical specifications belt dimensions 150 x 2000 mm Belt speed 18 / 36 m/sec. contact wheel Ø x B 200 / 150 mm surface grinding table 500 x 150 mm suction connection Ø 2x 100 mm Suction capacity 520 m3/h speed suction 2780 rpm Motor power extraction 0,37 kW Chedpfx Aspag Ttoaqsd Motor output power S1 100% 2,5 / 3,3 kW Motor input power S6 40% 3,3 / 4,3 kW Voltage 400 V length 1130 mm Width 600 mm Height 1130 mm Weight approx. 116 kg Scope of delivery - Sanding belt K 80 - Hinged protective disk - Integrated suction - 2x aluminum suction hose diam. 100 mm - filter bag - Grinding and support table - Workpiece stop - Motor protection switch - Rubberized grinding roller - Graphite coating - Separate emergency stop button - Base frame

Condition: new, Bernardo Belt Grinding Machine MS 150 x 2000 S-2 Tape dimensions 150 x 2000 mm Belt speed 14.5 / 29 m/sec. Chedpfx Aaed Rw Rheqed Contact disc x W 200 / 155 mm Flat grinding table 460 x 150 mm Suction connection of 100 mm Engine power S1 100% 2.1 / 2.8 kW Motor recording power S6 40% 2.8 / 3.6 kW Voltage 400 V Length 1080 mm Width 520 mm Height 1000 mm Weight approx. 85 kg

Condition: new, Bernardo belt sander MS 75 x 2000 S Technical specifications Belt dimensions 75 x 2000 mm Belt speed 29 m / sec. How to contact with washer ø x W 200 / 80 mm Plan grinding table 460 x 75 mm Suction connection ø 100 mm S1 engine power output 100% 3,0 kW Motor power S6 40% 4,0 kW Chsdod Du S Hjpfx Aaqsd Voltage 400 V Length 1080 mm Width 440 mm Height 1000 mm Weight 66 kg Scope of delivery • Grinding belt grit 80 • Hinged safety glass • Grinding and supporting table • Workpiece stop • Dust exhaust port • Motor protection switch • Rubber sanding drum • Graphite surface • Separate buttons • Base

Condition: new, Bernardo belt sander MS 75 x 2000 S-2 Technical specifications Belt dimensions 75 x 2000 mm Belt speed of 14.5 / 29 m / sec. How to contact with washer ø x W 200 / 80 mm Plan grinding table 460 x 75 mm Suction connection ø 100 mm S1 motor power output 100% 1.5 / 2.2 kW Motor power S6 40% 2,2 / 3,0 kW Voltage 400 V Length 1080 mm Width 440 mm Height 1000 mm Weight 67 kg Scope of delivery • Grinding belt grit 80 • Hinged safety glass Chsdpod Du S Usfx Aaqjd • Grinding and supporting table • Workpiece stop • Dust exhaust port • Motor protection switch • Rubber sanding drum • Graphite surface • Separate buttons • Base

Condition: new, Bernardo belt grinder MS 75 x 2000 DC-2 / 400 V Technical specifications belt dimensions 75 x 2000 mm Belt speed 18 / 36 m/sec. contact wheel Ø x W 200 / 75 mm surface grinding table 500 x 75 mm suction connection Ø 2x 100 mm Suction capacity 520 m3/h speed suction 2780 rpm Motor power extraction 0,37 kW Motor output power S1 100% 2,5 / 3,3 kW Motor input power S6 40% 3,3 / 4,3 kW Chjdpfspag Tdox Aaqed Voltage 400 V length 1130 mm Width 520 mm Height 1130 mm Weight approx. 104 kg Scope of delivery - Sanding belt K 80 - Hinged protective disk - Integrated suction - 2x aluminum suction hose diam. 100 mm - filter bag - Grinding and support table - Workpiece stop - Motor protection switch - Rubberized grinding roller - Graphite coating - Separate emergency stop button - Base frame

Condition: new, Bernardo surface grinding machine BSG 2040 PLC Technical specifications Table clamping surface 200 x 500 mm T-slots number / width 1 / 14 mm Electro-magnetic clamping plate 200 x 460 mm Max. Travel, longitudinal 560 mm Max. travel travel, crosswise 240 mm Distance spindle center / table max. 450 mm Max. workpiece weight workpiece weight* 180 kg Grinding wheel 200 x 20 x 31,75 mm Table speed, hydraulic 7 - 25 m/min Cross adjustment Automatic feed, transverse 0.1 - 8 mm / stroke Rapid feed, cross 990 mm/min Cross feed per handwheel rotation 4 mm/rev. Graduation on handwheel 0.02 mm Vertical infeed Automatic feed, vertical 0.005 / 0.01 / 0.02 / 0.03 / 0.04 / 0.05 mm Rapid feed, vertical 480 mm/min Vertical infeed per handwheel revolution 2 mm/rev. Scale division on handwheel 0.005 mm Grinding spindle motor 2.2 kW Spindle speed 2850 rpm Hydraulic pump motor 0,75 kW Vertical feed motor 0,5 kW Length 2160 mm depth 1650 mm height 1840 mm Weight approx. 1640 kg * with magnetic clamping plate Scope of delivery - 2-axis digital display ES-12 H with LCD display - Siemens SMART panel IE V3 with touch operation - Electronic handwheel - grinding wheel - Wheel flange - LED work light - Magnetic clamping plate - Balancing stand - Balancing shaft Protective covers - Parallel puller Chodpogd Ia Ssfx Aaqed - Demagnetizing device - Coolant device - Extraction diamond - Machine shoes - Central lubrication - operating tool

Condition: new, drilling capacity: 32 mm, - MK4 - 80/2130 tons - 2-speed engine Chjdotttlfopfx Aaqsd - Rotates clockwise and counterclockwise - Table 385 x 335 mm - Table can be rotated - Emergency stop - Protective cap - Documentation - 400V

Condition: like new (used), Year of construction: 2012, 🔩 Universal Steelworker / Ironworker Machine – 80 Ton Punching Capacity This robust and versatile steelworker is engineered for demanding steel fabrication applications, combining punching, shearing, notching, and profile cutting in a single, powerful unit. With 80 tons of punching force and multiple dedicated workstations, it ensures efficient and precise steel processing across a wide range of tasks. 🧰 Punching Station - Punching force: 80 tons - Max. punching capacity: 28 × 20 mm - Max. hole diameter × thickness: 57 × 10 mm - Stroke length: 55 mm - Number of strokes (20 mm stroke): 25 / min - Throat depth: 305 mm (optionally up to 625 mm) - Max. hole diameter: 57 mm (up to 160 mm with enlarged throat) - Working height: 1087 mm 📏 Flat Steel Shearing - Maximum thickness: 300 × 20 mm - Maximum width: 450 × 15 mm - Blade length: 483 mm - Working height: 890 mm 🧱 Section & Angle Cutting - At 90°: 150 × 150 × 13 mm - At 45°: 70 × 70 × 10 mm - Working height: 1155 mm 🔹 Bar Shearing - Round bar: Ø 45 mm - Square bar: 45 × 45 mm - Working height: 1175 mm ✂️ Notching Station - Material thickness: 12 mm - Width: 40 mm - Rectangular notch: 40 × 90 × 12 mm - Triangular notch: 60 × 60 × 12 mm - Working height: 890 mm ⚙️ General Data - Motor power: 7.5 kW - Dimensions (W × D × H): 1760 × 710 × 1830 mm - Weight: approx. 2000 kg ✅ Key Benefits - Multiple workstations for punching, notching, and shearing Cedpjxtxcbjfx Aaqohd - High efficiency with up to 25 strokes per minute - Heavy-duty construction for long-term durability and accuracy - Ideal for workshops, steel fabrication plants, and maintenance departments

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 Chsdpfx Aasvutw Heqed 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 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: used, No. 04492 Mobile extraction unit / Mobile dust extractor with fine dust filter cartridge Bernardo DC 400 Used Air flow rate 2520 m3/h High air flow rate due to large filter surface Including cleaning brush for manual filter cleaning Effective filtering of finest particles Filter surface 4 m2 Max. negative pressure 1800 Pa Suction connection diameter 1x 130 mm / 2x 100 mm Chip bag capacity 300 l Idle speed 2950 rpm Sound pressure 87.1 dB Motor output power S1 100% 1.5 kW (2.0 hp) Voltage 400 V / 50 Hz With dust protection housing self-construction No further documentation available Transport dimensions approx. 1100 x 600 x 2100 mm LWH Weight approx. 75 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices excl. VAT, payment before collection or dispatch Codpfjxn Tlyjx Aaqjhd Terms of delivery: ex warehouse

Condition: new, Bernardo Frame Press HRP 3000 Robust and torsion-resistant hydraulic frame press with high-quality pressure cylinders. Whether it is used for furniture or door production, block or frame gluing, the high pressing force of 2,000 kg per cylinder and precise, angle-accurate pressing of large-sized components enable all tasks to be carried out effortlessly. Technical Specifications Working length: 2,400 mm Working height: 1,550 mm Cylinder stroke: 95 mm Pressing force: 2,000 kg Vertical hole pitch: 50 mm Horizontal hole pitch: 160 mm Overall length: 3,250 mm Overall height: 2,070 mm Frame depth: 925 mm Weight: approx. 315 kg Features • Versatile use, e.g. for frame, window, and door production • Robust frame press with solid steel construction • Centralized control of the hydraulic cylinders including pressure gauge • Efficient gluing thanks to hydraulic design Chedpfx Aexrnvbsaqod • Pressure cylinders equipped with rocker plates as standard Scope of Delivery • 4 movable pressure beams, each with one vertical hydraulic cylinder and counter support • 1 movable pressure beam with two horizontal hydraulic cylinders • 1 movable, adjustable pressure yoke

Condition: excellent (used), Year of construction: 2020, Radial fan, chip extraction fan, fan, extraction, chip blower, high-performance fan -Condition: unused (stock item) Codpfsxg Hp Asx Aaqohd -Manufacturer: Bernardo, radial fan extraction -Type: RV 403 -Engine power: 2.2 kW / 2850 rpm -Volume flow: 5800 m³/h -Pressure: 1690 Pa -Connection input: Ø250 mm -Connection output: 215 x 215 mm -Fan wheel: Ø 360 x 100 mm -Protection class: IP 54 -Dimensions: 650/590/H650 mm -Weight: 59 kg

Condition: like new (used), Year of construction: 2018, operating hours: 200 h, functionality: fully functional, Table dimensions 405 x 815 mm Magnetic table 400 x 800 mm Table travel length/cross 830 / 450 mm Chodpfxexlcmno Aaqjd Distance between spindle center and table surface 580 mm Grinding wheel dimensions 350 x 40 x 127 mm Motor power 4.0 kW Weight 3400 kgs Equipment, Accessories - Siemens PLC controller with touch screen - 2-axis digital readout system - Hardened and ground bed guides - Automatic infeed - Hydraulic oil tank cooler - Electric magnetic table with demagnetization - Flange-mounted grinding wheel - Built-in diamond dressing unit - Grinding wheel balancing stand - Balancing mandrel - Coolant system - Halogen lamp - Machine feet - Magnetic chip separator - Machine manuals The machine is in original condition and barely used (approx. 100-200 hours). No defects. It is being sold due to company closing.

Condition: used, Year of construction: 2015, Technical details: turning diameter over bed: 420 mm turning diameter over support: 255 mm turning length: 1000 mm turning dia. in gap: 580 mm centre height: 205 mm spindle bore of work spindle: 52 mm range of revolution per miute: 30 - 550 / 550 - 3000 (FU gesteuert) / 2 step U/min feed:: längs: 0,05 - 1,7 mm/U feed:: plan: 0,025 - 0,85 mm/U tailstock quill taper MT: 4 tailstock quill adjustment:: 120 mm total power requirement: 5,5 kW weight of the machine ca.: 1,5 t dimension machine xH: 2,1 x 1,1 x 1,5 m Chodpfx Ajvaxi Esaqed Thread cutting possible, e.g. metric thread and inch thread Infinitely variable speed control 3-axis position indicator 3-jaw chuck Ø 200mm Multifix size B quick-change tool holder *

Condition: excellent (used), Year of construction: 2010, Bernardo VMS 360 vertical band saw. Top condition as a training machine - hardly used Chodpfevutxdex Aaqod 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) 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, square edge steel 16 x 16 mm flat steel 100 x 5 mm L-beam 60 x 8 mm bending radius min. 190 mm round bar steel 18,0 mm weight of the machine ca. 33,0 kg. Characteristics : - For precise cold and hot bending of flat, round and square steel - Stable design for screwing on the workbench - Infinitely adjustable bending stop with locking pin - With eccentric quick clamping for efficient work - Readable bending angle up to 120° - High repetition accuracy thanks to the bending angle stop - Ideal for repair shops and locksmiths Scope of delivery: - Bending plate sharp / round - Radius bending plate R 20 / R 25 Chsdpfx Aaexcux Reqod - offset block - Bending plate for round bar - offset plate - Radius bending plate R 10 / R 15 - angle stop - Clamping block with eccentric clamp - Material stop

Condition: new, Bernardo Gluing Press HVS 3000 Chjdpfx Aaoxrnu Dsqsd The HVS 3000 gluing rack stands out for its universal application, as well as its easy and quick operation, making it indispensable for daily use in workshops and carpentries. Technical Specifications Working length: 2800 mm Working height: 1460 mm Cylinder stroke: 65 mm Pressing force: 2500 kg Vertical hole pitch: 50 mm Total length: 3000 mm Total height: 2070 mm Frame depth: 925 mm Weight: approx. 198 kg Features • Suitable for a wide range of applications such as solid wood gluing, door manufacturing, edge banding, etc. • Robust gluing press with solid steel construction • Faster and more efficient bonding compared to screw clamps • Supplied as standard with 4 adjustable pressure beams and 1 pressure bracket • No tilting of pressure cylinders due to double spring-mounted guide Scope of delivery • 4 movable pressure beams, each with a vertical hand hydraulic cylinder and counter support • 1 movable, adjustable pressure bracket

Condition: new, 6,5 mm ST 40 3,5 mm VA 90° Grad blade length 250 x 250 mm table: 810 x 750 mm work height max. 950 mm engine output 4,0 weight 630 kg range L-W-H 810 x 750 x 1150 mm Characteristics : - Notching with a burr-free cut, without deformation of the cut edges - Blades made of surface-hardened tool steel - Operation by means of a foot pedal, so both hands are free for the workpiece - Large dimensioned work table with built-in scales Chodpfxexcux Ds Aaqjd - T-slots for precise guidance of the swiveling stops - Protective cover in front of the cutting blade for high security scope of delivery - 1 set of cutting knives - 2 swiveling material stops - Plexiglas protective cover - Foot pedal with emergency stop

Condition: new, sheet width 1050 mm plate thickness 1.0 mm Chjdpfx Asxcuxwsaqod daylight opening 95.0 mm angle adjustable from - to 0 - 150 Grad total power requirement manuell weight of the machine ca. 180 kg range L-W-H 1320 x 790 x 1050 mm characteristics - Universally applicable bending machines for plumbing and repair shops - Simple pivoting movement of the bending beam using a bow handle - Easy adjustment of the upper beam for efficient work - High upper beam for producing high-edged profiles - The piano inserts in the upper, lower and bending beam result in a large number of bending options - Cassettes and special profiles with opposite bends are with these Models easily feasible Scope of delivery : - Segmented upper, lower and bending beam - bending segments 25 | 30 | 35 | 40 | 45 | 50 | 75 | 100 | 150 | 2 x 250 mm