Used Horizontal Drilling for sale (10,459)

Condition: excellent (used), HEIDENHAIN TNC-310 Working travels 500x260x480 mm (+ spindle stroke 160 mm) Bwsdpfxofrbtde Aguew cross table 880x320mm additional with Manual hand wheels Spindle speeds 100-9000 Rpm Misc accessories MARCELS MASCHINEN CH

Condition: excellent (used), Year of construction: 1999, I sell the CNC drilling machine with inserting BIESSE COMIL INSIDER KT2. Year 1999. 2 pcs. CNC drilling heads from top. Bjdpfjt N Hmmjx Aguoww 1 pcs. Grooving saw 3 pcs. 3Master vibratori Vibration dowel inserting device. Part of the BIESSE line consisting of: COMIL Insider drilling - milling - grooving - dowel inserting - gluing - accessories inserting line Manufacture year 1999-2001. Possible to sell the machines separately. Vibration loaders and conveyors on agreement. For more photos and details please send the request.

Condition: used, total length: 3,700 mm, total width: 1,650 mm, total height: 190 mm, Year of manufacture: 2001 Colour: White Empty weight: 3.300 kg - Year: 2001 - Documentation available: Yes - CE marking present: Yes - Serial number: 291/01 - Drive system: Teach-in - Control system type: Monforts Control System MTC K - Power [kW]: 15.0 - Centre height [mm]: 250 - Swing over bed [mm]: 500 Bwodpfx Ajzhuvgjgujw - Carriage turning diameter [mm]: 290 - Distance between centres [mm]: 1500 - Bed width [mm]: 365 - Spindle bore [mm]: 70 - Min. spindle speed [rpm]: 2 - Max. spindle speed [rpm]: 2800 - Options: Quick-change tool post, Fixed steady, Digital readout, Three-jaw chuck - Transport dimensions: 3700mm x 1650mm x 190mm (l x w x h) - Transport weight [kg]: 3300kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Shank cutters and drill bits in mint condition, unused, sharpened and second-hand, for CNC machines, as shown in the examples. Bwjdpfxezrybpj Agusw Technical data: - Length: Various - Diameter: Various - Shank: Various - Weight: 12 kg - Application: Woodworking

Condition: used, The robust Optimum B 23 Pro bench drill for drilling into wood, metal or other materials, featuring a quick-action chuck. Technical data: - Spindle mount: MK 2 Bwedpfx Agozrytlouew - Rated power: 750 W // 400 V // 50 Hz

Condition: used, Year of construction: 1962, grinding length 450 mm grinding width 250 mm workpiece height 275 mm table surface area 760 x 200 mm distance spindle center to table max. 400 mm table speeds 0 - 30 m/min cross feed 0 - 60 mm/Hub rapid traverse cross 1,2 m/min grinding wheel size ø 250 x 30 x ø 51 mm grinding spindle speed 1400 / 2800 U/min Bjdpfxj Adalpj Agusww total power requirement 4 kW weight of the machine ca. 1 t dimensions of machine L x W x H 1,55 x 1,23 x 1,80 m Accessories: magnetic plate 450 x 175 mm, grinding wheel with flange, wet grinding attachment

Condition: used, Year of construction: 2015, Used machine Year of manufacture: 2015 Note: Operator terminal and angle scale on the right side! Cutting length: 3200 mm Max. saw blade overhang: 100 mm Feed rate, continuously variable: 5-100 m/min; return speed: 130 m/min Saw carriage guided on round shafts Drive via gear and rack and pinion system Automatic cutting length detection via laser sensor on the saw carriage Quick-change system for main and scoring saw blade (ProLock) Cutting direction against the stop Motor: 13.5 kW, total connected load: 18 kW, rated current: 38 A Electronic cutting height adjustment (continuously variable) for the sawing unit Raising and lowering of the sawing unit by means of a positioning drive Dimensional measurement via non-contact magnetic measuring system Including nesting program Scoring saw adjustment, horizontal and axial, from the control panel via electric servo motors Scoring saw unit with pneumatic lowering, scoring saw motor 2.2 kW Manual pressure regulators for package clamps and pressure bar for sensitive materials Tilting table on the left: 2300 x 600 mm with air cushion Solid stop rail with 2000 mm 2 side tables, 2300 mm with air cushion Material pusher, cutting length 3200 mm Feed rate: 25 m/min; return speed: 80 m/min Rear support table with 9 double roller tracks Package clamps, 6 pieces, 2-finger design, opening height 80 mm 3 veneer stops for cutting panels with protruding veneers Device for automatic positioning of the trimming position by the material pusher Lateral pressing device for workpieces from 20 to 1200 mm Modular control system with 24" TFT flat screen PC with Windows 7 Pro operating system With thermal label printer Availability: approx. January 2027 Bwodpfx Ags Adv Ruoujw Location: North Rhine-Westphalia

Condition: used, Year of construction: 2013, operating hours: 29,512 h, functionality: fully functional, machine/vehicle number: NS4331, travel distance X-axis: 600 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 600 mm, rapid traverse X-axis: 50 m/min, rapid traverse Y-axis: 50 m/min, rapid traverse Z-axis: 50 m/min, feed length X-axis: 600 mm, feed length Y-axis: 600 mm, feed length Z-axis: 600 mm, feed rate X-axis: 50 m/min, feed rate Y-axis: 50 m/min, feed rate Z-axis: 50 m/min, nominal power (apparent): 52 kVA, controller manufacturer: FANUC, controller model: 31i, workpiece height (max.): 750 mm, workpiece diameter (max.): 630 mm, workpiece weight (max.): 400 kg, total height: 3,020 mm, total length: 5,363 mm, total width: 2,500 mm, table width: 450 mm, table height: 1,200 mm, table length: 450 mm, table load: 400 kg, rotary table diameter: 450 mm, rotational speed (min.): 50 rpm, rotational speed (max.): 15,000 rpm, overall weight: 11,500 kg, spindle speed (min.): 50 rpm, spindle speed (max.): 15,000 rpm, coolant supply: 45 bar, spindle motor power: 22,000 W, spindle nose: BT40, number of spindles: 1, number of slots in tool magazine: 120, tool length: 350 mm, tool diameter: 140 mm, tool weight: 8,000 g, input voltage: 380 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, We offer a Toyoda FH450S, 4-axis horizontal CNC machining center, manufactured in 2013 (March 2013), purchased new and installed at our facility in August 2016. It is in good used condition. Manufacturer: Toyoda (JTEKT) Model: FH450S Serial Number: NS4331 Year of Manufacture: 2013 Condition: Used, good condition Key Specifications: - CNC Control: FANUC 31i (1,000 programs, 499 tool offsets, 48 coordinate systems, Ethernet board, program restart) - X / Y / Z Travel: 600 / 600 / 600 mm - 2 perforated pallets, 450 x 450 mm, with automatic pallet changer (7 s) Bedpfs Ad Rhnjx Agusww - Maximum pallet load: 400 kg; maximum workpiece size Ø 630 x 750 mm - B-axis: NC rotary table, resolution 0.001° - Spindle: BT40, 50 - 15,000 rpm, power 22 / 18.5 kW (30 min / continuous) - Rapid Traverse Rates X / Y / Z: 50 m/min; roller guides - Positioning Accuracy: ±0.003 mm, repeatability ±0.0015 mm - Tool Magazine: 120 positions (expanded from 60); tool change time 1.2 s - Power Supply: 380 V - 3-phase - 50 Hz, 52 kVA - Machine Weight: 11,500 kg; footprint 2,500 x 5,363 mm, height 3,020 mm Additional Equipment: - Through-spindle coolant with 30 µm fabric filter and approximately 800-liter tank - Pump: 45 l/min at 50 bar - Toyoda chip evacuation system with 70 bar pump and cyclone filter - Knoll chip conveyor for cast iron and aluminum, oil skimmer - Probe

Condition: used, total width: 1,450 mm, total length: 6,550 mm, total height: 1,300 mm, Colour: Green Empty weight: 3.000 kg - Drive system: Conventional - Number of axes [pcs]: 2 - X-axis travel [mm]: 3250 - Y-axis travel [mm]: 300 - Table width [mm]: 3750 - Table depth [mm]: 400 - Max. grinding wheel diameter [mm]: 355 - Options: External cooling, Knife Sharpener - Transport dimensions: 6550mm x 1450mm x 1300mm (l x w x h) Bwodpfxj Adza Uj Agujw - Transport weight [kg]: 3000kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, operating hours: 50 h, power: 1 kW (1.36 HP), input voltage: 400 V, input frequency: 50 Hz, type of input current: three-phase, spindle mount: MK 3, height adjustment type: mechanical, actuation type: electric, rotational speed (min.): 225 rpm, total height: 1,790 mm, throat depth: 293 mm, table width: 360 mm, table length: 514 mm, overall weight: 260 kg, Equipment: CE marking, rotational speed infinitely variable, The pillar drill was hardly used and served only as a backup in case of production downtime. Its condition is very good. The original purchase price was €5,270.00 on October 13, 2022. Bede Afxahepfx Aguoww

Condition: excellent (used), machine/vehicle number: 6710, drilling for cup hinges laser pneumatic clamping devices drilling diameter of the central spindle: 0-70mm maximum drilling diameter: 45 mm pneumatic head movement mechanism for installing cup hinges rotary head for three spindles in a row 230 V Bsdpfxsz D Ai Rj Agujww 1.1 KW year of manufacture: 2012 DTR manual – YES CE marking – YES Weight – 42 kg External dimensions: 770x800x800

Condition: good (used), Year of construction: 2001, functionality: fully functional, travel distance X-axis: 710 mm, travel distance Y-axis: 610 mm, travel distance Z-axis: 660 mm, controller manufacturer: Mazatrol, controller model: Fusion 640M, workpiece height (max.): 710 mm, workpiece diameter (max.): 730 mm, workpiece weight (max.): 500 kg, total height: 3,050 mm, total length: 10,145 mm, total width: 9,850 mm, table width: 500 mm, table length: 500 mm, table load: 500 kg, overall weight: 11,600 kg, spindle speed (min.): 30 rpm, spindle speed (max.): 15,000 rpm, coolant supply: 15 bar, spindle motor power: 30 W, number of spindles: 1, number of slots in tool magazine: 120, Equipment: chip conveyor, documentation/manual, We are pleased to offer this Mazak FH 5800 with the Mazak Palletech system. This machine was manufactured in 2001 and is fitted with the Mazatrol Fusion 640M control system. It is a robust and precise machine, suitable for efficient machining and batch production. Thanks to the horizontal spindle and pallet configuration, the machine is suitable for versatile machining operations and high productivity. The Mazak Palletech automation system enables more efficient and unmanned production. Technical specifications: Table dimensions: 500 x 500 mm Number of pallets: 10 Table load capacity: 500 kg X-axis travel: 710 mm Y-axis travel: 610 mm Z-axis travel: 660 mm Table indexing: 360° in 1° increments Spindle mount: DIN 69871A/40 Bsdpfxez Rmq Tj Agujww Spindle speed: 35 – 15,000 rpm Spindle motor: 30/22 kW Magazine capacity: 120 positions We realise that you may wish to receive further information or view the machine. In that case, please contact us, providing your company details so that we can get in touch with you. About Mamach Machinehandel: With over 40 years experience in the CNC machinery sector, we are now one of Europe’s leading suppliers of metalworking machinery. Our success is based on high quality, customer-focused service and a strong international network. Discover our wide range of used CNC lathes and machining centres – we’d be happy to advise you personally!

Condition: good (used), Year of construction: 2023, CNC turning machine Manufacturer: DMG Mori Machine model: CLX 350 V3 Control system: SIEMENS Slim Line Multi Touch Year of manufacture: 2023 TECHNICAL DATA Travel distances - C-axis, degrees: 360 Spindle - Spindle head - Bar diameter: (mm): 66 - Max. speed: (rpm): 5,000 - Drive power 100% duty cycle: (kW): 11 - Drive power 40% duty cycle: (kW): 16.5 Turret - Tool positions: 12 - Tool positions for driven tools: 12 - Tool holder: VDI30 Tailstock - Hydraulic, controlled via M-function EQUIPMENT FEATURES + C-axis + Through-hole chuck, diameter 65 mm (max.) + Direct measuring system for the X-axis + Chip conveyor + Electronic handwheel + 3-jaw chuck, diameter 210 mm (hydraulic) Bsdpfx Agsz Sa Svousww + DMG Mori IoT connector + Coolant spray nozzle, 5 bar + Hydraulic tailstock + Tool package - Chip conveyor not included Subject to changes and errors in the technical data and specifications.

Condition: refurbished (used), Year of construction: 2017, BUCK TBFZ 3000 CNC incl. tools and clamping wedges The machine has been comprehensively overhauled and modernized. Conversion to Heidenhain iTNC530 including completely new control cabinet Travel: X-3000 mm, Y-1.500 mm, Z-1500 mm Z1: 500 mm A-axis: +/- 20° Depth of drilling in a single pass Z: 1.500 mm Drill depth by readjusting Z1: 2.000 mm Drilling performance with single-lip internal thread drilling tools: 3-40 mm diameter NC rotary table 360° B-axis: 2.500 x 2.300 mm max. Tischladung: 25.000 kg Internal coolant supply (IKZ): 70/100 bar Spindle drive power at 60%: 20.5 kW Express travel X/Y/Z: 15.000 mm/min Spindle speed: 0-6,000 RPM Control: Heidenhain iTNC530 tool holder: SK50 Bedpfxez Ntr Io Aguoww Space requirements: approx. 8.5 m x 8.5 m x 3.5 m machine weight: approx. 24,000 kg max. table load: 25.000 kg

Condition: used, Year of construction: 2021, Drilling capacity in St 60 55 mm threading in St 60 M 30 M 36 Short spindle MK 4 spindle stroke 140 mm throat 300 mm column diameter 145 mm Machine table - usable table surface 615x430 mm T-Slots Amount - Width - Distance 2x14x224 mm distance spindle - column min./max. 150/735 mm feed 0,1 + 0,3 mm/U 0 stufenlos Spindle Speed 70-2.400 U/min. engine 3,0 kW machine weight ab. 380 kg Standard equipment: - 7" TFT LCD display with touch function: * Manual input of spindle speed set value * Actual speed display * Integrated drilling depth display with touch zero point transfer * Virtual drilling depth scale in the display * Machine status indicators and warnings on the display * Service information * Selectable operating language: DE/EN/FR/ES/IT/NL/RU - Thread cutting device, for thread cutting with stop, max. 6 threads/min (thread cutting capacity depending on spindle speed), thread depth adjustable via depth stop and on the TFT LCD display (4 tools) - Infinitely variable speed adjustment via adjustment lever - Spindle protection with electrical fuse - Three separate buttons for clockwise rotation - anticlockwise rotation - stop - Mushroom pushbutton (latching) for EMERGENCY STOP - Main switch, lockable - Clockwise and counter-clockwise rotation via contactor control - Control voltage 24 V, protection class IP 54 - Paint finish: DD textured paint signal white RAL 9003, PANTONE 4545c, black Bwsdpfjz I Ub Hjx Aguew Item 20.5 Foot switch in addition to the thread cutting device, for switching the direction of spindle rotation in the process. direction of rotation during the process Item 25. Coolant unit B, consisting of: separate container (33 l), pump with motor protection switch, complete armature motor protection switch, complete fitting Item 37.5 Technology calculator in the display The technology calculator guides you through the cutting task Determination of the cutting data using the following parameters: - Manufacturing process - Tool diameter - Cutting speed - Material table - Transfer function of the spindle speed as set value

Condition: used, Year of construction: 1998, Number of spindles in the hole row: 11 Bwodpfoz I Ivdjx Aguow Number of horizontal spindles: 3 Pot-band drilling head: yes, Hettich Drill spacing: 32mm Power consumption: 2.2kW Drilling unit: swiveling

Condition: good (used), Indexable insert drills, high-performance drills with indexable inserts, solid drills, end mills, shank cutters, milling cutters, indexable insert end mills, end mills with internal cooling, indexable insert end mills, boring heads -Manufacturer: Amec, adjustable indexable insert drill Revolution Drill with internal cooling -Type: V Maxx R44x35-40M -Shaft diameter: 40 mm -Drill diameter range (D1): 66.0 mm to 71.1 mm (adjustable via cartridges) -Drilling depth: 3.5 x D / Usable length approx. 253 mm -Reversible inserts: not included Bwodpfx Asz Imzljgujw -Dimensions: Ø 63 x 355 mm -Weight: 5.0 kg

Condition: good (used), Year of construction: 2008, functionality: fully functional, Technical details cutting diameter 1000 mm saw band length 11100 mm cutting width 1100 mm total power requirement 20 kVA weight of the machine ca. 14 t dimensions of the machine ca. 5,4 x 3,2 x 3,9 m Additional information Cutting capacity: Ø 1000 mm, W 1100 x H 1000 mm min. Ø 400 mm, W 400 x 100 mm Face parallelism monitoring: optical display in mm Motor power – band drive: 11.0 kW Hydraulics: 3.7 kW Coolant: 0.36 kW Cleaning brush: 0.09 kW Band speed: 15 – 120 m/min (infinitely variable) Tank capacity: 115 l (hydraulics) 250 l (coolant) Saw band dimensions: 80 x 1.6 x 11,100 mm Space requirements: W 5366 x H 3215 x D 3863 mm Table height: 820 mm Bedpfx Agez Iy Dysueww Weight: 14,000 kg – no foundation required Color: Red/black

Condition: used, Year of construction: 2008, machine/vehicle number: 30655, overall weight: 5,500 kg, total length: 2,540 mm, total width: 2,290 mm, total height: 2,340 mm, FICEP P51 - CNC PUNCHING & DRILLING MACHINE FOR FLAT BAR AND PLATES | YEAR 2008 | 800 KN The Ficep P51 is a CNC-controlled punching and drilling machine for automated hole processing of flat bar and plates. Punching and drilling run in a single pass with automatic material feed - saving marking, re-clamping and handling on parts with many holes. CONDITION & HANDOVER Used machine from stock, year 2008, serial number 30655. - Condition and function are confirmed during the viewing or upon request. - Viewing possible by arrangement (no demonstration under power). - Service and reconditioning before handover by arrangement. FUNCTION & APPLICATION A hydraulic punching unit and an integrated drilling unit process the workpiece in one pass. A carriage with hydraulic, self-adjusting grippers and ball screw drive positions the material under CNC control (Ficep MINOSSE). Processes: punching, drilling, marking, countersinking and tapping. Typical applications: structural steelwork and connection technology as well as the fabrication of beams, brackets and frame structures with a high share of holes. TECHNICAL DATA - Manufacturer: Ficep | Model: P51 | Year: 2008 | Serial number: 30655 - Machine type: CNC punching and drilling machine - Punching force: 800 kN (approx. 80 t) | Punching units: 1 - Max. punching diameter: 46 mm | Material thickness (punching): 3-25 mm - Drilling units: 1 | Spindle power: 7.5 kW | Max. drilling diameter: 28 mm Bwsdsz Nyvyspfx Aguow - Plate width: 100-500 mm | Plate length: from 100 mm, not limited by design thanks to roller conveyors - Workpiece weight: up to 100 kg (standard) / up to 250 kg (reduced positioning) - Travel: X 1,000 mm | Y 500 mm | Positioning speed: 20 m/min - Carriage drive: ball screw | Clamping: hydraulic grippers - Control: Ficep MINOSSE CNC - Frame: one-piece steel C-frame with integrated hydraulic unit, electrics, pneumatics and CNC unit - Machine dimensions (L x W x H): approx. 2,540 x 2,290 x 2,340 mm | Machine weight: approx. 5,500 kg SCOPE OF DELIVERY - 1 x Ficep P51 main machine (one-piece steel C-frame) - 1 x punching unit (800 kN) - 1 x drilling unit (7.5 kW) - 1 x carriage with hydraulic grippers and ball screw drive - 1 x Ficep MINOSSE CNC control unit - 1 x hydraulic unit (integrated in the machine frame) - 1 x safety light curtain LOGISTICS & LOCATION Location: Ulft (Netherlands), close to the German border. Dismantling, transport, installation and commissioning can be carried out by ASM by arrangement - individually calculated upon request. ABOUT ASM Arendsen Steel Machinery (ASM) specializes in reconditioned Ficep structural-steel machinery - from sawing and drilling lines and profile drilling machines to plasma cutting systems. Further Ficep machines on request. CONTACT / INQUIRY Arrange a viewing | Price on request | Request a callback. Sale exclusively to commercial customers (B2B).

Condition: new, Year of construction: 2025, New UWM drilling and milling machine Type: 40A Drilling capacity up to: 40 mm Bwodpe Aazzdofx Agujw

Condition: used, Year of construction: 1995, Max. bending capacity: 300 kN (30t) Bwsdpfx Ags Aaz U Dsujw Pressure adjustable from 0-300 kN Tool height: 300 mm Biegleistung:140 x 20 mm at V125; 200 x 18 (19) mm at V200 Automatic and manual mode possible Miscellaneous accessories and operating manual Weight: approx. 700 kg

Condition: used, total width: 900 mm, total length: 2,050 mm, total height: 2,100 mm, Year of manufacture: 1956 Colour: Green Empty weight: 2.400 kg - Year: 1956 - Serial number: 3706 - Drive system: Conventional - Drive system: Gear drive - Number of drills [pcs]: 4 - Power [kW]: 6 - Table type: Fixed table - Table length [mm]: 1800 - Table width [mm]: 350 - Drilling depth [mm]: 160 - Drilling capacity [mm]: 25 - Reach [mm]: 275 - Main spindle power [kW]: 6.0 - Min. spindle speed [rpm]: 180 - Max. spindle speed [rpm]: 2000 Bjdpfjz R Dt Eox Agusww - Options: Tapping function - Transport dimensions: 2050mm x 900mm x 2100mm (l x w x h) - Transport weight [kg]: 2400kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 2000, power: 1.5 kW (2.04 HP), input voltage: 400 V, type of input current: three-phase, KNUTH KTB 32 Column Drilling Machine – 32 mm, 400 V For sale: KNUTH KTB 32 industrial pillar drilling machine, manufactured in 2000. Heavy-duty floor-standing column drill with belt drive, adjustable worktable, and mechanical speed adjustment. Suitable for drilling operations in metalworking workshops, maintenance departments, and production facilities. Bsdpfoz R Dy Sex Agueww Technical specifications: Manufacturer: KNUTH Model: KTB 32 Year of manufacture: 2000 Serial number: 0002017 Maximum drilling diameter: 32 mm Motor power: 1.5 kW Power supply: 400 V, three-phase, 50 Hz Spindle taper: MT3 / MK3 Approximate dimensions (L × W × H): 800 × 500 × 1800 mm Approximate weight: 140 kg Drive: Belt-driven Worktable: Height-adjustable Quantity: 1 unit Condition: Used machine. The actual condition and included equipment are shown in the photographs. No specific functional test results are provided. Location: Gatciems, Latvia. Inspection is possible by prior arrangement. Loading assistance is available. Transport within Europe can be arranged upon request. MixStock reference: 50026-26

Condition: good (used), Indexable insert drills, high-performance drills with indexable inserts, solid drills, end mills, shank cutters, milling cutters, indexable insert milling cutters, shank cutters with internal cooling, indexable end mills, indexable insert drills Bwedpfxe Aaymxs Agusw -Finger end mill: Indexable insert end mill with internal cooling -Hole: Ø 50 mm -Diameter: Size/reversible inserts see photos -Dimensions: Ø 70 x 285 mm -Weight: 2.8 kg

Condition: good (used), Indexable insert drills, high-performance drills with indexable inserts, solid drills, end mills, shank cutters, milling cutters, indexable insert end mills, shank cutters with internal cooling, indexable insert end mills Bedpfo Aayncox Aguoww -Finger end mills: Indexable insert end mills with internal cooling, 10 pieces -Hole: Ø 32 mm -Diameter: See photos for sizes/reversible inserts -Submission/Price: complete -Transport dimensions: 265/100/H190 mm -Weight: 7.3 kg