Used Line Drilling Machine for sale (69,533)

Condition: excellent (used), bore depth 500 mm Nlodpsxx A D Tsfx Agvod spindle speed: 1

Condition: used, number of spindles 4 bore capacity in steel (diameter) 23 mm bore stroke 150 mm total power requirement kW weight of the machine ca. t dimensions of the machine ca. m Nedpfot Hw U Njx Agveld

Condition: excellent (used), Description to follow! Nedjw U U Ikspfx Agveld

Condition: used, Year of construction: 1999, throat 290 mm bore stroke 160 mm Nedpfew En D Uox Agvjld total power requirement 1,9 kW Description to follow!

Condition: used, bore capacity in steel (diameter) 60 mm throat 400 mm total power requirement 4,4 kW weight of the machine ca. 1,7 t Njdpfx Agjwftt Ievjld

Condition: used, Year of construction: 1981, drill diameter 32 mm drilling length 0 mm Universal Drill Bit Grinder lots of accessories Nsdpfet Hwn Aox Agveld

Condition: used, Year of construction: 1998, throat 290 mm Nedpfjw D Hi Tex Agvsld bore stroke 180 mm total power requirement 1,9 kW

Condition: used, Year of construction: 1986, bore capacity in steel (diameter) 32 mm throat 290 mm bore stroke 180 mm total power requirement 1,9 kW Description to follow! Nledpfx Agsw En D Ievsd

Condition: good (used), Csepel RF50/1250 Radial Drilling Machine A robust and proven radial drilling machine from the quality manufacturer Csepel (Model RF50/1250). The machine is characterized by its solid construction and is ideally suited for metalworking shops, general workshops, or demanding DIY enthusiasts. Technical specifications (according to nameplate): Manufacturer: Csepel (Budapest) Nlodpfx Aszninwegvjd Type: RF50 / 1250 Power supply: 3~ (three-phase / 380 V) Frequency: 50 Hz Control voltage: 220 V Operating current: 10 A Required fuse protection: 16 A (slow-blow) You can find more items—both new and used—in our shop! International shipping costs available upon request!

Year of construction: 1989, condition: used, functionality: fully functional, Lot of 13 used machine tools: Lathes, milling machines, radial drill, grinding machine, grinding wheel. TRANSPORT TO BE AGREED UPON DURING PURCHASE OR QUOTATION: - MT180 TRIFASE Lathe - INGERS 175 three-phase Lathe - LEGOR 300 three-phase Nlodpfezg E Hyjx Agvjd - ANSELMI 180 three-phase Lathe - Idroming 600 (DRM) - Grinding machine - BERGONZI FS 870 Radial drill - FRESA Prvomajska 1 - FRESA Prvomajska 2 - SERRMAC RAG 25/L three-phase pillar drill - ITALERI three-phase pillar drill - BIMARK MOD. 30 three-phase pillar drill - Fratelli Rosa Milano three-phase pillar drill - Salmoiraghi three-phase grinding wheel Technical details for each machine are shown in the photos. Transport costs to be determined during the quotation process. For any further information, please do not hesitate to contact us. Machines intended for countries outside the EU. ----- Price: 12,900 EUR, VAT excluded + TRANSPORT COSTS TO BE BORNE BY THE PURCHASER -----

Condition: used, Year of construction: 1985, 45 mm 30 - 765 U/min. bore stroke 180 mm throat 350 mm table surface area 720 x 560 mm Nlsdpfezk Rfcox Agvjd machine weight ab. 950 kg

Condition: ready for operation (used), Alzmetall AB 35 HST / Bench drill press & Walter Gras Arbo3 quick-change head Nljdpezn Unvefx Agvod -Drilling capacity / steel approx. 40mm -Drilling capacity / cast iron approx. 45mm -Threading capacity max. M25 -Spindle taper MK 4 -Spindle stroke 180mm -Speed range (VARIABLE) 65 - 1750 rpm -Switchable speed range 130-480 / 480-1750 rpm -Automatic feed rates 0.1-0.2-0.3mm/rev -Drilling depth adjustable via depth scale -Speed indicator -Right / left rotation -Swiveling drill head with tool -Height-adjustable work table via hand crank -Coolant system -Emergency stop -Work light Dimensions: L x W x H 1 x 0.8 x 2.1 meters / Weight approx. 1200KG Errors and omissions excepted.

Condition: used, Dimensions (LxBxH): 280 x 150 x 310 cm Year built: 1988 Overall dimensions LxWxH: 2800x1500x3100 mm Online auction of metalworking and sheet metal processing machines (including a wide selection of SIEGMUND welding and clamping tables and related tools, SAFAN press brakes and SAFAN guillotine shears, MOSMAN YLS-3000 3kW laser welding machine, various FRONIUS, REHM, etc. welding machines, BOMAR, URSUS, ELHA, etc.), remaining stock of sheet metal, materials and inventory, rolling stock, technical equipment, and modern office furniture, released following the recent bankruptcy of Solex Thermal Science (Netherlands) B.V., formerly Mosman Stainless Steel in Haaksbergen, the Netherlands. The online auction opens Thursday 16 July and closes Thursday 3 September. Register your account via our website and place your bid. For viewings and inspections check the auction information on the website. Viewing day is on: - Tuesday 1 September Pickup days are on: - Thursday 10 September - Friday 11 September Nledpfx Ajzm H Ilsgvsd Dome Auctions is an innovative auction platform dedicated exclusively to the industrial sector. By focusing on machinery sales from business closures, restructurings, and bankruptcies, we provide a trusted marketplace where buyers and sellers connect with confidence. Unlike general auction houses, Dome Auctions specializes in selling complete industrial assets directly from factories, ensuring quality and reliability. With a commitment to transparency, industry expertise, and tailored service, we streamline the sales process and maximize value for all parties. As online auctions continue to grow in the European industrial market, Dome Auctions offers a professional and efficient solution for companies seeking high-quality machinery at competitive prices.

Year of construction: 2023, condition: used, Dimensions (LxBxH): 110 x 55 x 150 cm Serial number: SMK2023072160K-1 Power: 30W Working area: 110x110mm Overall dimensions LxWxH: 1100x550x1500mm Online auction of metalworking and sheet metal processing machines (including a wide selection of SIEGMUND welding and clamping tables and related tools, SAFAN press brakes and SAFAN guillotine shears, MOSMAN YLS-3000 3kW laser welding machine, various FRONIUS, REHM, etc. welding machines, BOMAR, URSUS, ELHA, etc.), remaining stock of sheet metal, materials and inventory, rolling stock, technical equipment, and modern office furniture, released following the recent bankruptcy of Solex Thermal Science (Netherlands) B.V., formerly Mosman Stainless Steel in Haaksbergen, the Netherlands. The online auction opens Thursday 16 July and closes Thursday 3 September. Register your account via our website and place your bid. For viewings and inspections check the auction information on the website. Viewing day is on: - Tuesday 1 September Pickup days are on: - Thursday 10 September - Friday 11 September Nljdpjzm H Acsfx Agvod Dome Auctions is an innovative auction platform dedicated exclusively to the industrial sector. By focusing on machinery sales from business closures, restructurings, and bankruptcies, we provide a trusted marketplace where buyers and sellers connect with confidence. Unlike general auction houses, Dome Auctions specializes in selling complete industrial assets directly from factories, ensuring quality and reliability. With a commitment to transparency, industry expertise, and tailored service, we streamline the sales process and maximize value for all parties. As online auctions continue to grow in the European industrial market, Dome Auctions offers a professional and efficient solution for companies seeking high-quality machinery at competitive prices.

Condition: excellent (used), Numerical Control Type NC 400 Through-feed motorized conveyoring belts (No.) 2 Horizontal units/supports (No.) 2 Drilling heads for each horizontal unit (No.) 2 Splindles for each horizontal drilling head (No.) 10 Max. working width (mm) 3200 - Min. working width (mm) 205 (ca.) Bottom vertical units/supports (No.) 4 Drilling heads/blocks for each bottom vertical unit (No.) 2 Vertical top pressure clamps (No.) 2 Digital quota (axes) display Total installed power (Kw) 23.7 Nsdpfxezk Euls Agvold The CNC controls the movement (X axe) of the mobile horizontal unit The CNC controls the movement (Y axe) of the stops

Condition: good (used), Year of construction: 1980, functionality: fully functional, Škoda W 160 H Horizontal Boring Machine Manufacturer: Škoda, Czechoslovakia Type: W 160 H Year of Manufacture: 1980 Serial Number: Ob 22084 Design: Table-type horizontal boring machine Working Spindle Diameter: 160 mm Spindle Taper: Metric M 100 Spindle Speed Range: 2–800 rpm Main Motor Power: 55 kW Longitudinal Travel of Column X: 6,000 mm Vertical Travel of Spindle Head Y: 2,500 mm Working Spindle Stroke: 1,600 mm Quill Stroke: 1,250 mm Working Feed Range During Drilling: 0.5–1,600 mm/min Working Feed Range During Milling: 0.5–3,200 mm/min Rotary and Sliding Table: 2,000 × 2,000 mm Maximum Table Load Capacity: 20,000 kg Weight of Rotary Table: Approximately 9,500 kg Machine Weight: Approximately 68,000–70,000 kg Nledpfjzpytgsx Agvjd Total Weight Including Rotary Table: Approximately 78,000–80,000 kg The standard parameters of the working spindle, travels, speeds, and power correspond to the commonly specified design of the Škoda W 160 series. Scope of Supply Škoda W 160 A machine, Rotary and sliding work table 2,000 × 2,000 mm, Table load capacity 20 tons, Excluding floor mounting plates, which will remain installed in the existing foundation. I would like to add the following wording to the advertisement: The machine is offered including a rotary and sliding work table. Floor mounting plates are not included in the supply and will remain installed in the existing foundation.

Condition: excellent (used), Year of construction: 1998, Hofmann HT 200 U frame dowel and elongated hole drilling machine with angle adjustment Special drilling machine for stair construction, window construction, and universal applications through pneumatic height adjustment. Angled dowelling and picket drilling can be easily achieved thanks to the rotating drilling unit. Motor with pole change, two speeds Motor power 1.5 / 1.8 kW, 1400 / 2800 rpm Motor start with practical handle switch Precision chuck with two inserts 16mm and M10 thread Table size approx. 1100 x 240mm Linear laser for precise positioning of the workpiece Drilling unit can be rotated 65 degrees to the left and right Pneumatic adjustment of the machining height, dowelling on two levels without readjustment The desired drilling heights can be set for each drilling level with a handwheel and digital counter; switching is then done pneumatically from the front Crossfeed approx. 320mm, stepless or in a 12mm grid Drilling stroke approx. 200mm 2 pneumatic workpiece clamps, can be placed at the front and rear of the table 2 swiveling workpiece supports 2 side stops, also usable as a front support Undercarriage Dust extraction connection 80mm 4 used but good drill bits 9, 12, 16, 19mm Few paint spots have been repaired, very good condition, see original photos A used swiveling elongated hole drilling machine in this condition is rarely available. Nlsdpfxoyfta To Agvsd CE marking Operating manual Dimensions approx. 1200 x 1200 x 1200mm (LxWxH), weight 310kg. The machine can be demonstrated on site by appointment. We only offer machines that are ready for demonstration and are in our warehouse, see "other offers from this provider".

Condition: used, Radial drilling machine, Kolb, heavy-duty design. Nledpfx Agjznl Dbjvsd

Condition: used, Year of construction: 2016, operating hours: 5,613 h, total height: 2,350 mm, total length: 4,300 mm, total width: 1,880 mm, Colour: Grey Empty weight: 1.310 kg - Year: 2016 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: AB/226310 - Operating hours: 5613 - Main motor power [kW]: 5.5 - Number of controlled axes [pcs]: 1 - Working range X [mm]: 3050 - Working range Y [mm]: 900 - Working range Z [mm]: 60 - Number of milling spindles [pcs]: 1 - Tool holder interface: ISO30 - Max. spindle speed [rpm]: 18000 - Horizontal drilling unit: Yes - Horizontal drilling spindles [pcs]: 6 - Max. drilling depth [mm]: 35 - Vertical drilling unit: Yes Nljdpfszh Hkcjx Agvod - Vertical drilling spindles [pcs]: 12 - Max. drilling depth [mm]: 60 - Manual operation: Yes - Control: SCM Xilog - Software: Xilog Plus - Saw unit present: Yes - Safety feature: - Spindle speed control: Continuously adjustable - Transport dimensions: 4300mm x 1880mm x 2350mm (l x w x h) - Transport weight [kg]: 1310kg - 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 Glenn Smeets

Year of construction: 1995, condition: ready for operation (used), 4 Lenz CNC PCB drilling and routing machines are offered. 1) One CNC vertical PCB drilling and routing machine, Lenz LGX 460-2AL, year of manufacture: 1995, travel X/Y: approx. 550mm/460mm, rapid traverse X/Y: approx. 40m/min, max. drilling rate Z-axis: approx. 500strokes/min, spindles: Precise SC53H, spindle speed: approx. 20000rpm, tool holder: 3mm, tool capacity: 308, control: SIEB & MEYER CNC 44.00. Equipped with a cooling unit and a loader. Overall dimensions of the base machine X/Y/Z: approx. 1650mm/1700mm/2250mm, additional length of the loader unit: approx. 820mm. 2) One CNC vertical PCB drilling and routing machine, Lenz GX 460-2, year of manufacture: 1989, travel X/Y: approx. 550mm/460mm, number of spindles: 2, rapid traverse X/Y: approx. 15m/min, max. stack height Z-axis: approx. 10mm, tool holder: 3mm, tool capacity: 88, control: SIEB & MEYER CNC 45.00, equipped with a cooling unit, overall dimensions X/Y/Z: approx. 2100mm/1450mm/1800mm. 3) One CNC vertical PCB drilling and routing machine, Lenz GX 600-1, year of manufacture: 1991, travel X/Y: approx. 650mm/600mm, number of spindles: 1, rapid traverse X/Y: approx. 15m/min, spindle: Precise SC63, spindle speed: approx. 20000rpm, tool holder: 3mm, tool capacity: 88, control: SIEB & MEYER CNC 44.00. Equipped with a cooling unit, overall dimensions X/Y/Z: approx. 2000mm/1500mm/1800mm. 4) One compact CNC vertical PCB drilling and routing machine, Lenz TB 500-1, travel X/Y: approx. 475mm/390mm, number of spindles: 1, rapid traverse X/Y: approx. 10m/min, spindle speed: approx. 15000rpm, tool holder: 3mm, control: SIEB & MEYER CNC 35.00. Equipped with a cooling unit and a spare control unit, overall dimensions X/Y/Z: approx. 1500mm/1100mm/1520mm. The machines can be purchased individually or as a package. Inspection possible by appointment. Nlsdeznmy Depfx Agvod

Condition: new, Year of construction: 2026, functionality: fully functional, The highest quality CORMAK MZS21x1 multi-spindle drilling machine with 21 alternating left / right spindles, enabling the execution of just such number of holes at the same time. Each spindle accelerates to 2840 rpm. Machine description The distance between the individual spindles is 32mm. This means that holes can be made at intervals of 32mm and multiples (by inserting drills into the spindle, for example, for a spacing of 128mm, put them in every fourth, and for a spacing of 64mm, leave every second spindle empty). Advantages 0 ° -90 ° pneumatic head with tilting lock in any position and 45 ° reference point the spindles are rotated by a 1.5 kW electric motor collets for quick clamping of 6-8 mm drill bits two self-leveling pneumatic clamps left / right aluminum fence extension 740mm without limiter Foot pedal for pressing-drilling-loosening high accuracy of components execution ensures precise work two auxiliary rollers 820mm wide quick change of device height adjustment and direct reading of drilling depth! maximum drilling depth of 60mm makes this device meet the expectations of most workshops holes are made at random intervals the distance between the first and last spindles is 640mm Technical parameters NUMBER OF SPINDLES 21 pcs DISTANCE BETWEEN SPINDLES 32 mm MAX. DRILL DIAMETER 10 mm MAX. DRILLING DEPTH 60mm MAX. DRILLING DIAMETER 35 mm MAX. WORK AREA 3000 x 2500 mm SPINDLE ROTATION 2,840 rpm REQUIRED PRESSURE TO WORK 0.6 - 0.8 Mpa MOTOR POWER 1.5 kW DIMENSIONS WITHOUT TABLE EXTENSION 1400 x 1300 x 1400 mm Nljdpfsvuf Rlex Agvod

Condition: new, functionality: fully functional, Year of construction: 2026, CORMAK BBM40PNEU Hinge Boring Machine – Precision Machining for Furniture Fittings The CORMAK BBM40PNEU hinge boring machine is a compact, efficient, and easy-to-use woodworking drill designed for precise drilling of holes for furniture hinges. The machine performs exceptionally well in furniture production, offering repeatable drilling accuracy and stable tool guidance. Thanks to its intuitive design and robust components, the BBM40PNEU ensures high-quality work while remaining simple to operate. Key Advantages Pneumatic system – Pneumatic spindle lowering provides convenient and precise positioning as well as drilling repeatability, significantly improving efficiency and the quality of hinge installation. Pneumatic quick-connect system – Allows easy disconnection of the machine from a stationary compressed-air source, and together with its compact design, enables use as a hand-held drill directly on assembly sites. Precise drilling for furniture hinges – An adjustable depth stop located at the rear of the machine allows full control over drilling parameters, minimizing the risk of material damage. Compact and stable construction – A rigid base with a large worktable (350 × 300 mm) ensures comfort and safety during operation. High-power 1.1 kW motor – A uniquely powerful motor compared to competitive machines, providing sufficient torque for working with Blum-type hinges and other fittings systems. Three working spindles – Allow simultaneous drilling of the main hinge hole and the side pilot holes. Applications The CORMAK BBM40MAN hinge boring machine is used in: production of kitchen, bathroom, and office furniture, carpentry workshops and maintenance departments, service companies specializing in hardware installation, schools and training centers related to woodworking. Standard Equipment 3-spindle hinge boring head, pneumatic fence feed (110 mm), adjustable depth stop, Nodoxzdhrepfx Agveld 300 × 260 mm worktable, powerful 1.1 kW motor (230 V), 35 mm cutter + two 2 mm drill bits for BLUM hinges. Technical Specifications Specification Value Table dimensions 300 × 260 mm Fence feed 110 mm Distance between spindle and table 130 mm Tool shank diameter 10 mm Number of spindles 3 Speed 2800 rpm Workpiece clamping manual Control pneumatic Motor 1.1 kW Power supply 230 V Overall dimensions 350 × 500 × 550 mm Weight 20 kg

Condition: new, Year of construction: 2026, functionality: fully functional, CORMAK BH40M Hinge Drilling Machine – Precise Machining of Furniture Fittings The CORMAK BH40M hinge drilling machine is a compact, efficient, and easy-to-use horizontal wood drilling machine designed for precise drilling of holes for furniture hinges. Ideal for carpentry and furniture manufacturing, the machine offers consistent drilling and stable tool guidance. Thanks to its intuitive design and robust components, the BH40M ensures high-quality work while maintaining ease of operation. Main Advantages of the Machine Without a Compressed Air System: Precise drilling for furniture hinges – an adjustable depth stop allows for drilling with full parameter control, minimizing the risk of material damage. Compact and stable construction – a rigid base with a large work table (790 x 390 mm) ensures comfort and safety. Compressed air-free – the lack of a pneumatic system translates into reliability and low operating and maintenance costs. A 0.75 kW motor – the head drive provides sufficient torque for working with Blum hinges and other hardware systems. Three working spindles – allow for simultaneous drilling of holes for the main hinge and side guides. Design and Technology The CORMAK BH40M model is designed with ease of use and durability in mind. A mechanical working head travel of 110 mm and manual control ensure full control over the work cycle. The 10 mm tool shank diameter allows for the use of standard hardware drills. Compact overall dimensions (800 x 630 x 780 mm) and a weight of 45 kg make this furniture hardware drill ideal for field assembly work. Precision and Efficiency Thanks to the optimally selected spindle speed (2800 rpm) and the ability to manually adjust settings, the operator can quickly and accurately drill holes for any standard hinge type. Adjustable drilling depth (up to 20 mm) allows for easy adaptation to various front thicknesses and hinge types. Stable workpiece clamping and parameter control minimize assembly errors and increase the efficiency of the entire process. The CORMAK BH40M hinge drilling machine is suitable for: kitchen, bathroom, and office furniture production, carpentry workshops and maintenance departments, service companies specializing in hardware installation, woodworking schools and training centers. Standard Equipment Three-spindle drilling head for hinges, Nljdpow Hbwqefx Agvod mechanical guide travel (110 mm), adjustable depth stop, work table 790 x 390 mm, 0.75 kW (230 V) motor, manual control and workpiece clamping. Optional Equipment drill bits for Blum hinges and other systems, positioning templates for various types of fittings, sets of mounting plates and side stops. Technical Data Table Dimensions 790 x 390 mm Guide Travel 110 mm Space Between Spindle and Table 155 mm Tool Shank Diameter 10 mm Number of Spindles 3 Max. Drilling depth: 20 mm Speed: 2800 rpm Workpiece clamping: manual Manual control Motor: 0.75 kW Power supply: 230 V Overall dimensions: 800 x 630 x 780 mm Weight: 45 kg

Condition: new, functionality: fully functional, Year of construction: 2026, CORMAK BBM40MAN Hinge Boring Machine – Precision Machining for Furniture Fittings The CORMAK BBM40MAN hinge boring machine is a compact, efficient, and easy-to-use woodworking drill designed for precise drilling of holes for furniture hinges. The machine performs exceptionally well in furniture production, offering repeatable drilling accuracy and stable tool guidance. Thanks to its intuitive design and robust components, the BBM40MAN ensures high-quality performance while remaining simple to operate. Key Advantages Nodpfx Asxzdicsgvjld Precise drilling for furniture hinges – The adjustable depth stop located at the rear of the machine allows drilling with full parameter control, minimizing the risk of material damage. Compact and stable construction – A rigid base with a large worktable (350 × 300 mm) provides comfort and safety during operation. Powerful 1.1 kW motor – A uniquely strong motor compared with competing machines, providing the necessary torque to work with Blum-type hinges and other hardware systems. Three working spindles – Enable simultaneous drilling of the main hinge cup hole and the side pilot holes. Construction and Technology The CORMAK BBM40MAN hinge boring machine is designed for simplicity, durability, and ease of use. A mechanical feed of the working head with a 110 mm range and manual control ensures full control of the working cycle. The 10 mm tool shank diameter allows the use of standard hinge-boring bits. Compact overall dimensions (370 × 500 × 600 mm) and a weight of 21.5 kg make this hinge boring machine ideal also for on-site assembly work. Precision and Work Efficiency With an optimally selected spindle speed (3000 rpm) and the ability to manually adjust the settings, the operator can quickly and accurately drill holes for any standard hinge type. Adjustable drilling depth allows easy adaptation to different front thicknesses and hinge systems. Stable workpiece clamping and full parameter control minimize assembly errors and increase overall process efficiency. Applications The CORMAK BBM40MAN hinge boring machine is used in: production of kitchen, bathroom, and office furniture, carpentry workshops and maintenance departments, service companies specializing in hardware installation, woodworking schools and training centers. Standard Equipment 3-spindle hinge boring head, mechanical fence feed (110 mm), adjustable depth stop, 350 × 300 mm worktable, powerful 1.1 kW motor (230 V), manual control and workpiece clamping, 35 mm cutter + two 2 mm bits for BLUM hinges. Technical Specifications Specification Value Table dimensions 350 × 300 mm Fence feed 110 mm Distance between spindle and table 130 mm Tool shank diameter 10 mm Number of spindles 3 Max. drilling depth 10 mm Speed 2800 rpm Workpiece clamping manual Control manual Motor 1.1 kW Power supply 230 V Overall dimensions 370 × 500 × 600 mm Weight 21.5 kg

Condition: new, Year of construction: 2026, CORMAK PLBM290 horizontal drilling machine is a professional solution for efficient wood machining. Equipped with advanced features ensuring proper machining quality. Machine features accurate drilling achieved by a bilaterally tilted drilling unit four-level head (16-20-22-25 mm) 2 limiting switches left/right spindle rotation simple, one-handed handling 100 mm diameter extracting connector Technical data Table dimensions 570x300 mm Table extension 600x300 mm Drilling table height 810 mm Drilling depth 155 mm Drilling width adjustment 300 mm Height adjustment 160 mm Spindle speed 1400 / 2800 rpm S1 continuous work motor power 3.8 kW Power supply 400V Extracting connector diameter 100 mm Nedpfx Agjvuq Hljvold Two-jaw chuck 0-20 mm Dimensions 570x850x1340 mm Weight 140 kg