Used Cegielski Radial Drill for sale (5,377)

Year of construction: 1963, condition: used, Radial drilling machine, drilling machine, boom drilling machine, universal drilling machine, milling machine -Projection: 645 mm Godpfx Asdvnbxelmebl -Taper mount: MK3 -Speeds: 95 - 1050 rpm -Columns: Ø 190 mm -Spindle stroke: 195 mm -automatic feed: 0.05/0.10/0.20 mm/rev -Clamping table: 735 x 520 mm -Dimensions: 1350/705/H2170 mm -Weight: 1100 kg

Condition: new, Drilling capacity steel ----- 50 mm Motor ----- 4 KW Speed range ----- 25 ~ 2000 r/min Spindle stroke ----- 315 mm Gbodpfx Aoga Ty Njlmol Unloading ----- 350 ~ 1600 mm Spindle mounting ----- MK5 Spindle feed ----- 0.04~ 3.2 mm/rev Cube table----- 630 x 500 x 500 mm Column diameter ----- 350 mm Foot ----- 2400 x 1000 x 200 mm Maximum distance spindle - foot ----- 350 ~ 1220 mm Weight ----- 3500 KG INCLUDED * Hydraulic clamping ! * Cooling system * CE plug * SCHNEIDER electricity

Condition: new, bore capacity in steel (diameter) 32,0 mm arm length 310 - 820 mm workpiece height max. 370 - 870 mm turning speeds 75 - 1220 U/min spindle taper MT 4 MK base plate 825 x 690 mm threading 24 M quill stroke 250 mm quill feed 0,1/0,16/0,25 mm/U travel x / y 500 / 510 mm total power requirement 2,25 kW weight of the machine ca. 1200 kg. range L-W-H 1470 x 750 x 2100 mm Description : - Large-sized base plate Gjdpfsxabrlex Almjbl - ideal for processing large workpieces - Thick-walled, polished column for increased sliding properties of the boom - Extension arm and drill head with independent hydraulic clamping - Simple height adjustment of the extension arm using a lifting motor - Ideal for drilling, countersinking, reaming and thread cutting - Hardened and ground gears, running in an oil bath - Good sliding of the drill head on the boom thanks to the ground surface scope of delivery : - Cube table - Reducing sleeves MK 5/4, MK 4/3, MK3 / 2 - LED machine light - First filling with Shell Tellus 46 - coolant device - lifting motor - hydraulic motor - operating tool - Height-adjustable protective cover

Condition: new, bore capacity in steel (diameter) 60,0 mm arm length 350 - 1.600 mm workpiece height max. 665 x 1.250 mm Gbedpfx Aljxaa H Usmsl turning speeds 38 - 2.000 U/min spindle taper MT 5 MK base plate 960 x 1.760 mm threading 42 M quill stroke 325 mm total power requirement 4,0 kW weight of the machine ca. 3.800 kg. range L-W-H 2.600 x 1.100 x 2.770 mm scope of delivery : - Cube table - Drill chuck arbor MK 5 / B 16 - Reducing sleeves MK 5/4, MK 4/3, MK3 / 2 - LED machine light - First filling with Shell Tellus 46 - coolant device - Frequency converter - Digital speed display - lift motor - hydraulic motor - Height-adjustable protective cover - operating tool

Condition: new, bore capacity in steel (diameter) 50,0 mm arm length 350 - 1.590 mm workpiece height max. 645 - 1.240 mm Gsdpfoxaad Tox Almebl turning speeds 25 - 2000 U/min spindle taper MT 5 MK base plate 980 x 1.600 mm threading 42 M quill stroke 320 mm total power requirement 4,0 kW weight of the machine ca. 3.500 kg. range L-W-H 2450 x 980 x 2840 mm Description : - Large-sized base plate - ideal for processing large workpieces - Thick-walled, polished column for increased sliding properties of the boom - Extension arm and drill head with independent hydraulic clamping - Simple height adjustment of the extension arm using a lifting motor - Ideal for drilling, countersinking, reaming and thread cutting - Hardened and ground gears, running in an oil bath - Good sliding of the drill head on the boom thanks to the ground surface scope of delivery : - Cube table - Reducing sleeves MK 5/4, MK 4/3, MK3 / 2 - LED machine light - First filling with Shell Tellus 46 - coolant device - lifting motor - hydraulic motor - operating tool - Height-adjustable protective cover

Condition: new, bore capacity in steel (diameter) 50,0 mm arm length 320 - 1.220 mm workpiece height max. 330 - 1.170 mm turning speeds 25 - 2000 U/min spindle taper MT 5 MK base plate 1300 x 980 mm threading 42 M quill stroke 335 mm total power requirement 4,0 kW weight of the machine ca. 3000 kg. range L-W-H 2035 x 1000 x 2830 mm Furnishing: - Large-sized base plate, ideal for processing large workpieces - Thick-walled, polished column for increased sliding properties of the boom - Extension arm and drill head with independent hydraulic clamping - Simple height adjustment of the extension arm using a lifting motor - Ideal for drilling, countersinking, reaming and thread cutting - Hardened and ground gears, running in an oil bath - Good gliding ability of the drill head on the boom - sanded surface Scope of delivery: - Cube table - Drill chuck arbor MK 5 / B 16 - Reducing sleeves MK 5/4, MK 4/3, MK3 / 2 Godsxaaabepfx Almsbl - LED machine light - First filling with Shell Tellus 46 - coolant device - lifting motor - hydraulic motor - operating tool - Height-adjustable protective cover

Condition: new, bore capacity in steel (diameter) 40.0 mm threading 30 M workpiece height max. 380 - 785 mm arm length 985 mm spindle taper 4 MK boring head swiweling right/left -80 / +80 Grad table surface area 1210 x 520 mm turning speeds 50 - 2000 U/min column diameter 220 mm column diameter 220 mm table surface area 1210 x 510 mm quill stroke 200 mm feed range - spindle 0.08 - 0.50 mm/U total power requirement 2.2 kW weight of the machine ca. 2800 kg dimensions of the machine ca. 2450 x 1200 x 2720 mm characteristics - A variety of clamping and machining options thanks to the construction-related construction - Electromotive height adjustment of the drill head without adjusting the Drilling position, ideal for deep hole drilling - Drill head can be swiveled 180 °, boom can be moved back and forth and horizontally pivotable - Thread cutting device and 6 automatic drilling feeds in the Basic equipment included - Large table surface (1195 x 500 mm) for simultaneous clamping several workpieces - Digital speed and drilling depth display included in the scope of delivery - Quick set-up of the drill head on the workpiece, the clamping takes place hydraulically - Heavily ribbed column ensures great rigidity of the boom - Stable construction guarantees vibration-free work - As standard with electronically infinitely variable speed control scope of delivery - Electromagnetic spindle feed - Digital speed display - Digital drilling depth display - Electromotive drill head adjustment - First filling with Shell Tellus 46 - Keyless chuck 1 - 13 mm / B 16 Gbodpjxaadyjfx Almjl - Drill chuck arbor MK 4 / B 16 - Reducing sleeve MT 4/3, 4/2, 3/1 - Thread cutting device - LED machine light - coolant device - Height-adjustable protective cover

Condition: new, Drilling capacity steel ----- 40 mm Motor ----- 3 KW Speed range ----- 25 ~ 2000 rpm Gbjdpfx Asga T Dtolmel Spindle stroke ----- 315 mm Unloading ----- 300 ~ 1300 mm Spindle mounting ----- MK4 Spindle feed ----- 0.04~ 3.2 mm/rev Cube table----- 630 x 500 x 500 mm Column diameter ----- 350 mm Foot ----- 2400 x 1000 x 200 mm Maximum distance spindle - foot ----- 350 ~ 1250 mm Weight ----- 2500 KG INCLUDED * Cooling system * CE plug * SCHNEIDER electricity * LED lighting

Condition: refurbished (used), Year of construction: 2006, functionality: fully functional, drilling capacity: 40 mm, quill stroke: 200 mm, quill diameter: 80 mm, • Work table 1200 x 750 mm with 5 T-slots • Arm travel 1050 mm • Drill spindle Morse taper 4 (MK 4) • Infinitely variable speed control • Infinitely variable quill feed • Thread cutting attachment • Two 18 mm T-slots each on rear and left of machine base • 3-axis digital readout • Machine lamp • Central lubrication • Table top machined all around • Drill guard • Coolant system Dimensions and Travels Tool holder MK 4 Column diameter mm 195 Table size mm 1200 x 750 Number of T-slots 5 T-slot spacing mm 125 Quill stroke mm 220 Column travel mm 450 Distance spindle nose - table top min 40 mm, max 710 mm Distance spindle nose - base plate min 840 mm, max 1510 mm Drilling radius min 540 mm, max 1590 mm Work table height mm 900 Machining Capacities Drilling capacity (solid) St 60 ⌀ 45 mm GG 22 ⌀ 55 mm Tapping Gedpfjx Uwpxjx Almebl St 60 M 36 GG 22 M 45 Main Spindle Drive AC motor, frequency controlled kW 5.5 at 100% duty cycle Speed range min⁻¹ 15 – 2,800 Torque Nm max. 250 Constant from min⁻¹ 15 – 200 Feed Drives Feed, stepless mm/rev 0.02 – 0.7 Feed force N 12,000 Electrical Data Operating voltage / frequency V / Hz 400 / 50 Control voltage V 24 Total connected load kVA 9.3 Weight DANUFLEX 145 (without packaging) with table 750 x 1200 mm kg 2,600 Documentation Operating manual, incl. Lubrication and hydraulic system diagram Electrical wiring diagram

Condition: good (used), Table size: - horizontal: 500 x 600 mm - vertical: 310 x 600 mm Tiltable: 90° Dimensions LxWxH, approx.: 700 x 520 x 520 mm Weight, approx.: 280 kg Item no.: WW12214 Geded Tticspfx Almjbl

Condition: as good as new (ex-display), Year of construction: 2024, Optimum OPTIdrill RD 6 Precise, solid radial drilling machines of top quality. Ideal for versatile use in single-part and series production. • Versatile application range, such as drilling, reaming, and threading • Electrically braked motor • 24V DC electrical system and 2-channel safety chain according to DIN EN 12717 • Heavy, solid, high-quality cast iron • Wide reach thanks to horizontally adjustable machine head • Clearly arranged control panel • Smooth-running swivel and travel axes • Elaborately machined column swivel with optimized clamping for maximum stability and minimal clamping offset • Robust, torsion-resistant boom construction • Boom height adjustment via powerful motor drive and lifting spindle Godpfx Aewa Tc Solmebl • Drill head gear running in an oil bath • Boom guideways hardened and precision-ground • Chrome-nickel steel gears, hardened and precision-ground, ensuring quiet and smooth operation • Drill head and column can be clamped together or separately or loosened • Right-left rotation • Solid, precise drilling table, generously dimensioned • Hardened and ground clamping table with parallel T-slots • Machine light • Overload protection • Thick-walled cast iron column ensures smooth operation and stability • LED lamp • Coolant system with coolant tank in the machine base RD 6 / RD 7 • Column is hydraulically clamped Dimensions and Weights Column diameter 320 mm Length approx. 2670 mm Width/Depth approx. 1120 mm Height approx. 2760 mm Weight approx. 3200 kg Extension arm Rotation angle 180° Drilling capacity Drilling capacity steel (S235JR) 50 mm Continuous drilling capacity steel (S235JR) 45 mm Drilling table T-slot size 14 mm T-slots Number: 4 T-slot spacing: 180 mm Maximum distance between spindle and drilling table: 1420 mm Clamping table length: 630 mm Clamping table width: 500 mm Clamping table height: 500 mm Clamping table T-slot size: 22 mm Number of T-slots on the clamping table: 3 Clamping table T-slot spacing: 150 mm Min. distance between spindle and clamping table: 0 mm Max. distance between spindle and clamping table: 910 mm Min. distance between spindle and drilling table: 465 mm Speed range: Speed range: 44 – 1023 rpm Number of speed ranges: 12 Electrical data: Total power consumption: 6.5 kW Connection voltage: 400 V Mains frequency: 50 Hz Machine base: Working surface length: 2550 mm Working surface width: 970 mm Motor(s) Spindle motor drive power: 4 kW Drive power Cantilever arm lifting motor 1.5 kW Coolant pump power of drive motor 90 W Hydraulic clamp drive 0.75 kW Spindle Quill stroke 270 mm Spindle mount MT5 Quill feed speed 0.06 – 0.2 mm/rev Quill feed speeds 3 Travel path Drill head travel (horizontal) 1250 mm Arm stroke (vertical) 680 mm Maximum spindle-column distance 1600 mm Minimum spindle-column distance 350 mm

Condition: good (used), 1 used radial drilling machine manufactured by Stimin type GR 820 H No. 773 year 2004 Godpfx Alotzctmomobl Technical data: Drilling capacity 80 mm throat 1600 mm Drill spindle holder MK 6- drill spindle stroke 390 mm Spindle speed, 24 steps 20 - 1400 rpm Clockwise and counter-clockwise rotation Feed rate, 12 steps 0.045 - 1.5 mm/rev Drive 400 V / 14.5 kva Clamping of the arm and drilling unit electromechanical Distance machined machine bed - drilling quill min. approx. 400 mm max. approx. 1800 mm usable machine bed with 4 T-slots 1170 x 2185 mm Coolant device 2 clamping tables Space requirement approx. L 2600 x H 3950 x W 1300 mm Weight approx. 8500 kg

Condition: new, Year of construction: 2026, The RD700 VARIO is built on a solid column structure that ensures stability and vibration resistance. The radial arm enables precise head positioning from 300 to 700 mm relative to the column, while a quill stroke of 130 mm allows comfortable drilling in one setup. Key Components Spindle: Morse taper MT3 with drawbar, stepless speed control, maximum drilling capacity 32 mm. Feed system: Automatic spindle feed with three ranges, integrated with tapping mode. Main motor: 1.5 kW, 400 V, designed for continuous operation. Gedpfx Aoyccn Ujlmobl Table and base plate: 250×250×250 mm cube table and 900×620 mm work plate with T-slots. Precision and Performance With stepless speed regulation and digital indicators, the RD700 VARIO guarantees high machining accuracy and repeatability. The automatic feed and tapping mode reduce cycle times, while the rigid construction minimises vibrations and extends tool life. Applications The CORMAK RD700 VARIO radial drilling machine is ideal for mechanical workshops, toolrooms, production plants, and maintenance departments. It is perfect for machining steel elements, welded structures, machine parts, and industrial components. Standard Equipment Cube table Base Drill chuck 3–16 mm / B18 Mandrel MT3 / B18 Reducing sleeve MK3 / MK2 Cooling system Tapping mode Digital spindle speed indicator Digital drilling depth indicator Adjustable height guard Basic tool set Safety guards User manual CE certification Technical Data *The price quoted is for the machine itself, excluding optional/additional equipment, installation, transport and training— please contact our consultant for more details. Parameter Value Maximum drilling capacity 32 mm Maximum tapping capacity M22 Spindle taper MK3 Minimum spindle speed 75 rpm Maximum spindle speed 2,500 rpm Speed change Stepless (75–438 / 438–2,500) Automatic feed range (3) 0.08 / 0.14 / 0.22 mm/rev Spindle–column distance 300–700 mm Spindle–table distance 0–430 mm Spindle–base plate distance 175–680 mm Vertical arm travel 505 mm Horizontal head travel 400 mm Quill stroke 130 mm Column diameter 150 mm Cube table size 250 × 250 × 250 mm Base plate work area 900 × 620 mm Motor power 1.5 kW Power supply 400 V Width 1,220 mm Depth 640 mm Height 1,750 mm Weight approx. 722 kg

Condition: reconditioned (used), Year of construction: 1988, functionality: fully functional, This 2A576 radial drilling machine has been completely overhauled and restored to full producbon capacity. Basic technical data: Drilling diameter: in steel 80 mm / in cast iron 100 mm Headstock travel along the arm: 2000 mm Max drilling radius: 2500 mm Spindle travel: 500 mm Spindle: ISO50 Stepless sefng of spindle feed rates Spindle speed range: 2-1600 rpm. Column diameter: 500 mm Main drive engine power: 7.5 kW Dimensions L/W/H: 4180/1280/4125 mm Weight: 12 tons This drilling machine meets the minimum safety and health requirements set out in Direcbve 2009/104/EC, known as the "Tools Directive". Machine ready for checking under power in our warehouse in central Poland. Gedeur H I Nepfx Almebl

Condition: used, functionality: fully functional, Manufacturer: MAS-KOVOSVIT Machine type: Radial drilling machine Condition: used, good technical condition, ready for operation Godpfex Uqcfsx Almjbl Technical specifications: • Drilling capacity in steel: 80 mm • Drilling capacity in cast iron: 110 mm • Arm length: 4,000 mm • Vertical arm travel: 1,600 mm • Horizontal head travel: 3,470 mm • Spindle taper: Morse 6 • Spindle diameter: 65 mm • Spindle stroke: 475 mm • Spindle speed: 9–1,400 rpm • Feed rate: 0.035–2.8 mm/rev • Distance spindle nose to table: 710–2,785 mm • Max. workpiece height: 2,785 mm • Drilling diameter range: 80–300 mm • Swing range: 0°–360° • Total power: 13.8 kW • Weight: approx. 19.5 t • Overall dimensions (L×W×H): 6,010 × 1,800 × 5,205 mm Equipment: • 2 worktables Location: Machine in stock in central Poland. Further information available upon request.

Condition: used, Year of construction: 1960, arm length 1600 mm tool adaptor ja fabric-no. 9787 weight 4,6 t Gbsdpfx Ajx Ik Unolmel with drill cube

Condition: used, Technical details: bore capacity in steel (diameter): 32 mm arm length:: 1250 workpiece height max.: - mm distance column till spindle centre: 1250 mm drill head horizontal traverse: 980 mm vertical adjustment of arm: 800 mm distance table - lower edge spindle: 2,05 x 9,2 x 2,85 mm spindle taper MT: MK4 bore spindle stroke: 280 mm range of revolutions per minute - continous: 28-1.195 3 Steps U/min swivel range of the arm: 90 Grad feed: 0,1/0,2/0,3/0,4/0,8/1,2 6 Steps mm/U column diameter: 300 mm base plate surface area: 1.370 x 750 mm weight of the machine ca.: - t Gjdpfx Alswid Auomjbl dimension machine xH: 2,05 x 9,2 x 2,85 m Cooling water system with feed Table with clamping surface 1,370mm x 750mm incl. drilling cube *

Condition: used, Year of construction: 1978, Technical details: bore capacity in steel (diameter): 100 mm arm length: 400 - 2100 mm cantilever adjustment vertical: 100 mm spindle taper MT: 50 drill depth: 415 mm spindle stroke: 400 (Skala) mm column turnable: 360 ° column diameter: Ø 500 mm distance drilling head - clamping area: min./max.: 400 / 1.800 mm number of spindle speeds: 12,5 ... 1.600 / 15 step U/min feed: 0,063 ... 2,5 / 15 step mm/U table clamping surface:: L x B: 2.000 x B: 950 mm total power requirement: ca. 35 kW weight of the machine ca.: o. Würfel = 8,0 t dimension machine xH: 3,40 x 1,16 x 3,51 m further information: - drilling spindle travel horizontal 1.700mm Equipment: - incl. drilling cube (horizontal surface: 1000 x 1000 x 500 mm, central bore Ø 35mm; 6 T-slots), (vertical surface: 1,000 x 500mm, 3-T-slots) - control panel - coolant system * Gsdpfxeu Id Aws Almsbl

Condition: used, Year of construction: 1976, Technical details: bore capacity in steel (diameter): 32 mm arm length: ./x. . 400 / 50 mm drill head horizontal traverse: 400 mm drilling head vertical adjustable: 400 mm bore spindle stroke: 150 mm spindle taper MT: 4 grinding spindle speed: 100 - 2000 U/min Arm length: Spindel: min./max: ca. 400 / 50 mm cantilever adjustment vertical: 850 mm cantilever adjustment horizontal: 400 mm arm: Länge: 1360 arm horizontal: schwenkbar mm/min number of revolutions per minute of drill spindle:: 100...2 step U/min. feed steps: 0,1 / 0,2 / - step mm/U Table dimensions: 00 x 510 mm distance table - lower edge spindle: min./max.: 350 / 800 mm total power requirement: 2,4 kW weight of the machine ca.: 1,8 t dimension machine xH: 1,3 x 1,3 x 2,25 m Equipment: 2x foot rail Attachment option for a vertical table Accessories: Various clamping devices Godpfxewi Iqvs Almebl *

Condition: used, Year of construction: 1966, Technical details: bore capacity in steel (diameter): 63 mm arm length:: 2000 workpiece height max.: 1270 mm spindle taper MT: MK 5 drill depth: 400 (Hub) mm quill stroke: 400 mm feed: 0,05 - 0,32 m/min Gjdou Id Dbspfx Almjbl revolutions per minute spindle:: 14 - 1000 (40/50/63/160+200 o.Funktion) U/min column turnable: 360 ° electrics - voltage/frequency: 380/50 V/Hz base plate: 1900 x 950 mm total power requirement: 13 kW weight of the machine ca.: 7,9 t space requirements approx. LxWxH: 3,9 x 1,5 x 3,4 m This radial drilling machine has an electric sliding table! Further features: - Distance from spindle center to stand: 360 - 2000mm - Distance from drill chuck to table top: 1270mm - Distance from spindle to base plate: 1220 - 4520mm - Drilling capacity in St 60: 63mm at feed rate 0.32 - Drilling capacity in GG 22: 80mm at feed rate 0.5 - Horizontal travel of the drilling head: 1640mm - Vertical travel of the drill head: 980mm - Distance from spindle nose to base plate: 430-1770mm Equipment: - Coolant pump (out of function) - Support stand - 1 electrically driven sliding table 1250 x 1000mm type TI 18 with digital display (interface to the machine) - incl. machine vice Not all revolutions are currently selectable. i.D. *

Condition: used, Year of construction: 1957, Technical details: bore capacity in steel (diameter): 32 mm arm length:: 1000 horizontal adjustment of the boring slide: 700 mm vertical adjustment of arm: 600 (motorisch) mm swivel range of the arm: 90° rechts/links Grad Gbodpevhbpqjfx Almel distance table - lower edge spindle: min./max.: 200 / 1120 mm spindle taper MT: 4 bore spindle stroke: 420 (manuell-automatisch) mm range of revolutions per minute - continous: 20 - 2000 / 3 step U/min feed: 01, / 0,2 / 0,3 / 0,4 / 0,8 / 1,2 mm/U column diameter: 250 mm base plate surface area: 1100 x 600 mm total power requirement: 4,6 kW weight of the machine ca.: 2,5 t dimension machine xH: 1,8 x 0,8 x 2,5 m Tool ejection via expulsion wedge Equipment: Coolant system with pump (without feed) Drill cube L: 760 x W: 500 x H: 510mm / horizontal surface 760 x 500mm and vertical surface 760 x 510mm Machine ilumination *

Condition: used, Year of construction: 1971, Technical details: bore capacity in steel (diameter): 23 mm workpiece height max.: ./x. 2 mm drill capacity in cast iron: Ø 26 mm spindle taper: MK 3 bore spindle stroke: 135 (manual/automatic) mm range drill spindle revolution per minute: 7step U/min feed range: mm/U Table dimensions: 1200 x 500 mm Gbodpfx Aov Ay T Djlmsl table surface area: 1070 x 400 mm total power requirement: 3,55 kW weight of the machine ca.: 1,4 t dimension machine xH: 1,7 x 1,2 x 2,2 m Jib Length Arm: -vertical adjustment: 450mm and horizontal adjustment: 610mm -swiveling 360°, hydr. lock Right/left rotation for thread cutting with automatic switchover Operation via control panel Coolant tank with pump *

Condition: used, Year of construction: 1969, arm length 1600 mm Gbodpfox H Txtsx Almol taper MK 5 Würfel

Condition: like new (used), Year of construction: 1990, Drilling capacity in steel: 50mm Drilling capacity in cast iron: 63mm Spindle: MK4 Spindle Speeds: (12) 45-2000 RPM Drill head displacement: 350-1250mm Distance spindle base plate: 350-1420mm Gbedsg I I Ekspfx Almol

Year of construction: 2021, condition: as good as new (ex-display), Max. drilling diameter 50 mm Max. travel of spindle 315 mm Max. distance from spindle axis and column 1600 mm Min. distance from spindle axis and column 350 mm Max. distance from spindle nose to surface of base worktable 1220 mm Min. distance from spindle nose to surface of base worktable 320 mm Spindle taper MT 5# Spindle speed steps 16 step Spindle speed range 25~2000 r.p.m. Spindle feed steps 16 step Spindle feed range 0.04~3.2 mm/r Dimension of worktable 500x630 mm Arm length 2140 mm Power of main motor 4 Kw Gedpfx Alsh H Edijmebl Machine dimension 2500x1060x2655 mm Net. Weight 3.50 Ton