Used *Sonstige Rak-Duo for sale (2,173)

Condition: used, Year of construction: 2024, load capacity: 300 kg, empty load weight: 150 kg, total length: 1,200 mm, construction width: 800 mm, Passenger basket Technical condition: New Kdedpju D Tcfjfx Ag Uet Description: Product information Work basket type RAK-duo The work basket, work platform, personnel basket or aerial work platform offers safety during repair and maintenance work on elevated parts of buildings, machinery, ceiling lighting, stocktaking etc. in accordance with the accident prevention regulations (UVV). Thanks to its robust steel construction and non-slip worktop, the work basket offers safe working at a wide range of heights. In addition, it is secured by a locking pin and prevents slipping off the forks. The work basket / work platform is equipped with a tool tray as standard and manufactured in accordance with BGVD 27 (industrial trucks) and leaflet U048.03 of the Wholesale and Warehousing Trade Association. The only work platform that can be picked up on both the wide and the narrow side and is therefore perfect for reach trucks.

Condition: excellent (used), Year of construction: 2023, functionality: fully functional, Professionally designed crossflow ultrafiltration membrane system, engineered, built, and fully instrumented by a membrane specialist. 12 membrane modules in 3 parallel stages of 4 modules each, active membrane area 2.16 m². PVDF ultrafiltration membranes, separation limit 100 kDa, in PVC module tubes. Membrane stages can be individually shut off. Designed for diafiltration and pure concentration. Hygienic centrifugal pump, approximately 11 m³/h at approximately 2.5 bar feed pressure, crossflow up to 2.5 m/s. Retentate-side pressure adjustment via automatic proportional valve, stainless steel heat exchanger for temperature control. Ideally operated in conjunction with two feed tanks. Technical data: - Total membrane area: 2.16 m² (12 modules, 3 stages of 4) - Membrane type: PVDF-UF, separation limit 100 kDa; module tubes PVC, stages can be individually shut off - Circulation rate: approx. 11 m³/h at approx. 2.5 bar; crossflow up to 2.5 m/s - Permeate rate: 20–120 l/h·m² (depending on suspension/concentration) - Interfaces: Inlet/Outlet, each DN50 (DIN 11851) - Instrumentation: Flow rate (feed/permeate), pressure and temperature sensors, proportional valve, stainless steel heat exchanger - Commissioned in June 2023; well-maintained, operational condition, regularly CIP-cleaned (last cleaning on 02/02/2026) More systems and equipment are continuously being offered for sale from a laboratory and pilot plant liquidation – inquiries are welcome. Kedpozmapvjfx Ag Usdt Sold on behalf of the client through the Köck auction house. Located in eastern Austria, exact address upon request. Collection/dismantling by the buyer.

Condition: good (used), Year of construction: 2008, Vertical machining center Machine type: UVA 1030 plus Control: Heidenhain iTNC 530 Year: 2008 SPECIFICATIONS Travel Kodpfjz Dkrtex Ag Usdt X-Axis: 1.030 mm Y-Axis: 610 mm Z-Axis: 560 mm Rapid motion: (X/Y/Z): 30 m/min. Max. revolution: 10.000 rpm Spindle power: 13,5 kW Tool: SK40 Tool capacity: 24 Table size: 1.000 x 500 mm Max. Table Load: 700 kg Equipment Chip conveyor Electronical handwheel Caliper Internal cooling: 20 bar

Year of construction: 2016, condition: good (used), functionality: fully functional, The KS AluKap Duo is a machine designed for the production of aluminium profiles for roller shutters with interlocked curtain slats. It automatically cuts the profiles to the required length, assembles them into a curtain, and secures them. A key function of this machine is its capability to perform several operations simultaneously: cutting profiles to size, joining them to form the roller shutter curtain, and locking (interlocking) to prevent shifting after installation. Electrical connection: 3.5 kW, 400 V, 50 Hz. Shutter width: min. 500 mm – max. 3,500 mm. Label printing (optional): 36 x 89 mm. Machine transport is the buyer’s responsibility. We offer assistance with loading. Kdjdpfx Ajw Dm Hrjg Ust

Condition: excellent (used), Year of construction: 2017, functionality: fully functional, travel distance X-axis: 630 mm, travel distance Y-axis: 730 mm, travel distance Z-axis: 860 mm, rapid traverse X-axis: 120 m/min, rapid traverse Y-axis: 120 m/min, rapid traverse Z-axis: 120 m/min, feed length X-axis: 630 mm, feed length Y-axis: 730 mm, feed length Z-axis: 860 mm, feed rate X-axis: 120 m/min, feed rate Y-axis: 120 m/min, feed rate Z-axis: 120 m/min, nominal power (apparent): 70 kVA, torque: 1,400 Nm, controller manufacturer: Siemens, controller model: 840D SL, workpiece height (max.): 640 mm, workpiece diameter (max.): 700 mm, workpiece weight (max.): 290 kg, total height: 3,650 mm, total length: 5,650 mm, total width: 3,560 mm, table width: 400 mm, table length: 400 mm, table load: 290 kg, rotational speed (max.): 80 rpm, overall weight: 25,000 kg, distance between spindles: 720 mm, number of spindles: 2, number of slots in tool magazine: 112, tool length: 550 mm, tool diameter: 75 mm, tool weight: 12,000 g, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, For sale is a high-performance, two-spindle CNC machining center, MAG SPECHT 500 DUO LIMO PW, manufactured in 2017, with a pallet changer, two working spindles, and 5-axis machining capabilities. The machine has been used infrequently recently and is currently not in active production. It remains connected to the power grid, so an inspection while powered on is possible by appointment. Manufacturer: MAG / FFG Model: MAG SPECHT 500 DUO LIMO PW Year of manufacture: 2017 Condition: very good (original images dated September 15, 2026) Operating hours: 17,690 h Category ID: 1458 Type ID: 4166 Machine type: Universal machining center Technical data: Year of manufacture: 2017 Machine number: X.0112.6258 Control system: Siemens 840D SL Number of spindles: 2 Machining: 5-axis Design: LIMO PW Pallet changer Tool holder: HSK-A63 Travel in X: 630 mm Travel in Y: 730 mm Travel in Z: 860 mm Axis speed X/Y/Z: up to 120 m/min Spindle distance: 720 mm B-/A-axis: up to 80 rpm B-axis division: 360° x 0.001° Pallet size: 400 x 400 mm Table/pallet load: 2 x 290 kg Max. weight moment at 90°: 1,400 Nm Max. workpiece and fixture height with pallet changer: 640 mm Max. clearance circle workpiece/fixture: 2 x 700 mm Tool magazine: 112 tool positions for HSK-A63 Tool diameter with full load: 75 mm Tool diameter with empty spaces: 230 mm Max. tool length: 550 mm Max. tool weight: 12 kg Total weight of tools in the magazine: max. 420 kg Accuracy / Measuring system: Linear measuring system X/Y/Z: 0.0001 mm Positional accuracy: 0.005 mm Positional repeatability: 0.004 mm Machine dimensions: Width: approx. 3,560 mm Length: approx. 5,650 mm Height: approx. 3,650 mm Machine weight: approx. 22,000–25,000 kg Electrical rated power according to nameplate: 70 kVA Operating voltage: 400 V / 50 Hz Kjdpjz Ar E Isfx Ag Ujdt If you have any questions or need more information, please send us a message or call us. Inspection while powered on is possible by appointment in 36199 Rotenburg an der Fulda. Technical documentation is available. Sale from the current location. Dismantling, loading, and transport can be arranged. Subject to prior sale, errors, and changes in technical specifications.

Condition: used, functionality: fully functional, Year of construction: 2016, operating hours: 1,359 h, load capacity: 1,600 kg, lifting height: 6,300 mm, fuel type: electric, construction height: 2,732 mm, drive type: Elektro, Reach truck Mast type: None Technical condition: normal Battery year of manufacture: 2017 Kdodpfsz Dlpmex Ag Ust 3. Valve, safety light

Condition: used, functionality: fully functional, Year of construction: 2021, operating hours: 1,544 h, load capacity: 1,400 kg, lifting height: 8,500 mm, free lift: 2,903 mm, fuel type: electric, mast type: triplex, construction height: 3,387 mm, fork carriage width: 900 mm, empty load weight: 3,369 kg, drive type: Elektro, construction width: 1,300 mm, Reach truck Load center: 600 ISO class: ISO Class 2 = 1,000 - 2,500 kg Kjdoz Dltljpfx Ag Ujdt Mast type: Triplex Technical condition: good Front tire size: 300 Rear tire size: 350 3. Valve

Condition: used, Year of construction: 2018, travel distance X-axis: 510 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 700 mm, rapid traverse X-axis: 70 m/min, rapid traverse Y-axis: 70 m/min, rapid traverse Z-axis: 70 m/min, feed length X-axis: 510 mm, feed length Y-axis: 600 mm, feed length Z-axis: 700 mm, feed rate X-axis: 70 m/min, feed rate Y-axis: 70 m/min, feed rate Z-axis: 70 m/min, nominal power (apparent): 63 kVA, torque: 900 Nm, workpiece height (max.): 490 mm, workpiece diameter (max.): 535 mm, workpiece weight (max.): 200 kg, total height: 3,470 mm, total length: 4,150 mm, total width: 3,120 mm, table load: 200 kg, rotary table diameter: 450 mm, rotational speed (max.): 80 rpm, overall weight: 18,000 kg, distance between spindles: 540 mm, number of spindles: 2, number of slots in tool magazine: 112, tool length: 550 mm, tool diameter: 75 mm, tool weight: 12,000 g, input voltage: 400 V, Equipment: chip conveyor, documentation/manual, We are offering this very well-maintained, twin-spindle, 5-axis machining center, MAG SPECHT 450 DUO, manufactured in 2018. Manufacturer: MAG / FFG Machine Type: SPECHT 450 DUO Year of Construction: 2018 Condition: very good Operating Hours: 15,908 hours Machine Number: X.0112.6552 Order Number: E.7500194.001 Wiring Diagram Number: E.7500194.001 Location: 36199 Rotenburg an der Fulda, Germany Inspection: possible under power The machine is designed as a highly productive, twin-spindle machining center for series production and features 5-axis machining, two working spindles, and HSK-A63 tool holders. Technical Data: Year of Construction: 2018 Machine Number: X.0112.6552 Kodpfx Agjz Ar H Sj Uedt Number of Spindles: 2 Machining: 5-axis Tool Holder: HSK-A63 Travel X: 510 mm Travel Y: 600 mm Travel Z: 660 / 700 mm Axis Speed X/Y/Z: up to 70 m/min Spindle Distance: 540 mm B-/A-Axis: up to 80 rpm B-Axis Division: 360° x 0.001° Table Plate Diameter: 2 x 450 mm Table Load: 2 x 200 kg Max. Interference Diameter of Workpiece/Fixture: 2 x 535 mm Max. Workpiece and Fixture Height: 490 mm Max. Weight Moment at 90°: 900 Nm Tool Magazine: 112 tool positions HSK 63 Tool Diameter with Full Load: 75 mm Tool Diameter with Empty Spaces: 140 mm Max. Tool Length: 550 mm with front loading Max. Tool Weight: 12 kg Total Weight of Tools in Magazine: max. 420 kg Accuracy / Measuring System: Path Measuring System X/Y/Z: 0.0001 mm Positional Accuracy: 0.005 mm Positional Repeatability: 0.004 mm Machine Dimensions: Width: approx. 3,120 mm Length: approx. 4,150 mm Height: approx. 3,470 mm Machine Weight: approx. 16,000–18,000 kg Electrical Rated Power according to Nameplate: 63 kVA Operating Voltage: 400 V / 50 Hz The machine can be inspected under power at the Rotenburg an der Fulda location by appointment. Technical documentation is available. Sale from location. Subject to prior sale and errors in the technical data.

Condition: excellent (used), Year of construction: 2016, functionality: fully functional, machine/vehicle number: 107731, Equipment: cooling unit, (Please tell us your offer price) Sale only within Europe, incl. Turkey Price without packaging; delivery condition: FCA (machine location) ===== Technical data see handout. All warranty rights are excluded. For the correctness of the technical data and year of construction, for the completeness of accessories and tool equipment, and for compliance with all safety and environmental protection requirements specified in the accident prevention regulations. No sale to private individuals. Kedpjzzc U Djfx Ag Uodt Sales only within Europe, incl. Turkey Price without packaging; Delivery condition: FCA (machine location) ===== Technical data please see handout in attachment. German text leading language. Without any guaranty and warranty, including completeness of tools & accessories as well as environmental and safety regulations. No private sales.

Condition: excellent (used), functionality: fully functional, color: white, overall weight: 7,000 kg, Year of construction: 2020, Equipment: air conditioning, 40-FT BITCOIN MINING CONTAINER MOBILE DATA CENTER INFRASTRUCTURE For sale is a professionally fitted 40-ft industrial container, type "HPC Mobile Pro 180U", manufactured in 2020. Kodozt Sw Sjpfx Ag Ujdt According to the documentation, the system was designed for up to approximately 180 air-cooled ASIC miners. Only the fitted container infrastructure is being sold. ASIC miners, GPU servers, and external power supplies are not included. TECHNICAL DATA • 40-ft industrial container • Type: HPC Mobile Pro 180U • Date of manufacture: 17.06.2020 • Capacity: up to approx. 180 air-cooled ASIC miners, according to layout • Connection power: 2 × 120 kW or approx. 240 kW, according to seller • Electrical: 400 V, 3P + N + PE, 50 Hz • 4 × 250-A main switches according to electrical plans • Power distribution with Schneider Electric components • Control cabinets IP55 according to plan • Open steel rack constructions • Powerful axial fans • Inlet and outlet louvers with filter surfaces • Mitsubishi split air conditioning unit for the technology/network area • CAT cabling, patch panels, and switch infrastructure • Camera and alarm components according to documentation • Technical documentation with approximately 66 pages • Weight: approx. 7 t, according to seller • Location: 8957 Spreitenbach, Switzerland POSSIBLE APPLICATIONS Bitcoin/ASIC mining, expansion of a mining farm, hosting/colocation, use of inexpensive or surplus electricity, as well as compute, edge, test, or retrofit projects. INSPECTION AND CONDITION Used condition with typical signs of wear and tear. Functionality has not been tested. Inspection is possible and highly recommended by appointment. A sales dossier, detailed photos, video, layout, electrical, and circuit diagrams, as well as the documentation, can be provided to qualified interested parties. All technical specifications are based on available documents or seller information. Before connection and commissioning, the system must be inspected, adjusted, and approved by a qualified electrician. SALE AND TRANSPORT B2B sale ex location Spreitenbach. Loading, crane, transport, insurance, export/import, customs, permits, and commissioning are the responsibility of the buyer. No returns; liability for defects is excluded to the extent permitted by law.

Year of construction: 2004, operating hours: 2,123 h, condition: used, functionality: fully functional, fuel type: diesel, drive type: Diesel, Roller Condition: Technically good Description: Maximum operating weight: 2710 kg Operating weight (with ROPS): 2600 kg Module weight (front/rear): 1260 kg / 1340 kg Speed range: 0-10 Joint oscillation: ±10° Theoretical gradeability: 45% Static linear pressure (front/rear): 10.5 / 11.2 kg/cm Water tank: 160 liters Deutz F2L 1011F engine Type: Air-cooled diesel Rated power, SAE J1995: 23 kW (31.0 hp) 50-liter fuel tank Hydrostatic brake activated by the driving lever Kdodpozvi Rbjfx Ag Uot Parking/auxiliary brake: Multiple disc on both drums ID: SL5354

Condition: good (used), functionality: fully functional, For sale is a used, custom-built box-clamping machine for the production and assembly of wooden boxes. The system is equipped with a total of 6 hand-operated clamping devices from the Senco brand. The clamping devices are activated via foot valves, allowing the box parts to be positioned and clamped together during the work process. Particularly suitable for the production of wine boxes, fruit boxes, vegetable boxes, and other wooden packaging. Technical data / equipment: Manufacturer: Custom-built Machine type: Box-clamping machine / Box assembly machine 6 hand-operated clamping devices Clamping device manufacturer: Senco Activation via foot valves Pneumatic operation For clamping box parts together Workpiece support / workbench Adjustable fixture for different box dimensions Robust frame construction Suitable for: Wine boxes Fruit boxes Vegetable boxes Packaging boxes other wooden boxes and wooden packaging Kjdpfx Aszynf Ssg Uedt The machine is in used condition. Equipment and condition as shown in the photos. Transport is possible for an additional charge! The machine is currently still at the customer's site but would be available shortly. The machine will be inspected before sale. For used machines with a year of manufacture of 2009 or earlier, the warranty is excluded when sold to commercial customers. Technical data and equipment may vary. Errors, prior sale, and changes are subject to change. All information is without guarantee.

Year of construction: 2004, condition: good (used), Spritzgiessmaschine bis 5.000 KN Machine type: Krauss Maffei KM 2300-12000 MC Year: 2004 Control: CNC MC4 Working hours: 93.900 h SPECIFICATIONS Closing unit Kdsdpfszi Sfzjx Ag Uot Closing force: 23,000 kN Maximum tool opening force: 1,420 kN Thrust force of the movable plate (opening): 227 kN Clamping force of the movable platen (closing): 203 kN Tool clamping area (H x W): 2,830 mm x 2,400 mm Stand spacing (H x W): 2,000 mm x 1,600 mm Tool opening stroke: 2,600 mm Min. tool height: 1,100 mm Maximum tool height: 1,800 mm Maximum tool spacing: 3,700 mm Hydraulic ejection stroke: 350 mm Ejector force (forward/reverse): 415/115 kN Screw diameter: 135 mm L/D ratio: 23 Injection pressure: 1,389 bar Displacement: 8,588 cc Projectile weight (PS): 7,815 g Injection capacity: 1,019 cc/s Screw speed: 113 rpm Maximum plasticizing capacity: 191 g/s Nozzle pressure: 241 kN Electrical and hydraulic equipment Rated power of the pump motor: 132 kW Installed heating capacity: 997 kW Adjustable cylinder heating zones: 7 Number of drying cycles: 350 per hour Tank capacity: 2,500 L Dimensions and Weight Machine dimensions: 15.15 m x 4.15 m x 3.29 m Total weight of the machine: 143,000 kg Maximum mold weight: 62,000 kg LRX 1000 Robot X-Axis: 2.000 mm Y-Axis: 3.000 mm Z-Axis: 5.000 mm

Year of construction: 2013, condition: good (used), industrial machine, K. Schulten KS AluKap DUO, designed for the production of armored roller shutters. Kdedpjz Dftljfx Ag Uot The machine was manufactured in 2013. It has two automatically fillable containers for armor plating. Technical data: - Manufacturer: K. Schulten GmbH & Co. KG – Germany - Model: KS AluKap DUO - Year of manufacture: 2013 - Machine No.: K 0132 - Maximum armor width: 3500 mm - Minimum armor width: 500 mm - Power supply: 400 V / 50 Hz / 2.5 kW - Air consumption: approx. 160 l/min - Pressure of the pneumatic system: 8 bar - Weight: approx. 900 kg - CE marking Condition: used, good The machine is available for immediate pickup.

Condition: excellent (used), Year of construction: 2007, machine/vehicle number: 471292, functionality: fully functional, operating hours: 438 h, power: 7.5 kW (10.20 HP), spindle diameter: 40 mm, rotational speed (max.): 9,000 rpm, total length: 3,000 mm, total width: 1,500 mm, total height: 1,820 mm, overall weight: 1,150 kg, Equipment: documentation/manual, Offering a used Martin T26 Duo Control swivel spindle milling machine for sale. Sale due to company restructuring. GS tested, BG test certificate, CE compliant. Technical data: Spindle swivel: -45 to +45° Height adjustment: electric with rapid and slow feed Depth adjustment: electric Table opening: electrically adjustable from 70 - 220mm Swivel adjustment: electric Feed rate (height): electric Stop adjustment: manual Height display: digital Swivel angle display: digital Milling stop display: digital Spindle diameter: 40mm with steep taper SK 40, collet quick-change system incl. torque wrench Electropneumatic locking via selector switch. Spindle speeds: 3000, 4500, 6000, 9000 rpm Power consumption: 7.5 / 9.5 kW Motor brake: wear-free, electrically braked Dust extraction connection: 2 x 120mm Machine length: 3000mm Machine width: 1400mm Weight: 1150kg Kedpfjzwp Uiox Ag Usdt Year of manufacture: 2007 Includes: Variomatic 4N feed system, continuously adjustable from 2-20 m/min, Protective device type Centrex Swivel device for milling stop Martin table extension on both sides with extendable workpiece support, approx. 3000mm long. Martin support for feed system, swivelable, with motorized height adjustment. Aigner Integral stop 650/500mm incl. filler bar. The machine is still connected and can be tested. Price plus VAT.

Condition: used, Year of construction: 1996, functionality: fully functional, Used conveyor belt/incline belt for sale - Length: 60 m - Belt width: 650 mm - Cover - Side-mounted walkway Kdedpjzrwavofx Ag Ust Not yet disassembled!

Condition: used, Year of construction: 1999, operating hours: 3,400 h, machine/vehicle number: 261724855, TRACTOTECHNIK GRUNODRILL 10S Year: 1999 Operating hours: Meter reading - Borehole diameter: max. 385 mm - Maximum torque: 2500 kN - Tensile force: 96 kN - Compressive force: 65 kN - Max. drilling length: 250 m - Power: 90 kW - Drilling rods and bits included - Complete equipment with separate motor, hydraulic unit and tank for drilling fluid - Motor: Perkins 119 kW / 162 hp This offer is subject to change; errors and omissions excepted. Only the specific agreements in the order confirmation or purchase agreement are valid. The basis for this contract is exclusively our General Terms and Conditions (GTC). These can be accessed at any time on our website or can be requested from us. The place of jurisdiction is Eberswalde, Germany. If you have any questions, please do not hesitate to contact me. Kedpfxjhd I S Us Ag Uedt Further information: Intended use: Construction

Year of construction: 2006, condition: used, 6 beer dispensing tanks, manufactured by DUOTank, each with a capacity of 10 hectoliters, 3 bar, but without documentation. Ksdpfx Ajzkah Hog Uedt Each set consists of 2 tanks stacked on top of each other in a frame. The tanks are insulated and equipped with pressure fittings and a yeast outlet. 1 spray head with a manhole cover for all tanks. Year of manufacture: 2006/2007.

Condition: used, Year of construction: 1996, functionality: fully functional, Used conveyor belt for sale Length: 14,000 mm Kdodpszq Sz Eefx Ag Ujt Belt width: 650 mm (belt was completely replaced in 2022)

Condition: good (used), Year of construction: 2001, Startloch-Bohrmaschine Machine type: CASTEK HK-24 Year: 2001 SPECIFICATIONS Table size: 450 x 260 mm X-Axis: 400 mm Y-Axis: 250 mm Drill diameter: 0.3–3.0 mm Max. Werkstückabmessungen: 810 x 510 x 240 mm Kodpfxezkbtds Ag Uodt Erodierhub: 370 mm Dielektrikum: 20 ltr. Power consumption: 4,5 KW Req. space (LxBxH): 1.400 x 1.400 x 2.400 m Machine weight: 1.000 kg

Condition: used, machine/vehicle number: 14130, Rotor diameter: approx. 280 mm Rotor width: 500 mm Kdjdpfx Ajzrqpwjg Ust Number of rotor blades: 16 Inlet cross-section: approx. 480 x 500 mm Drive motor: 15 kW

Condition: used, functionality: fully functional, Year of construction: 1994, Storage silo, 100 tons -50/50 (ratio) -Conveyor screws Kodpfxezq S Irs Ag Uedt

Condition: used, functionality: fully functional, Year of construction: 2005, Screening plant consisting of: -Feeding hopper -2 x conveyor belt -1 x screening machine with one screen Kedpfx Agjzcy Tuj Usdt

Condition: used, functionality: fully functional, Year of construction: 2020, operating hours: 151 h, load capacity: 227 kg, lifting height: 7,960 mm, construction height: 2,310 mm, fuel type: electric, drive type: Elektro, construction width: 840 mm, Scissor lift Technical condition: good Kdjdpfx Agevg Tmxj Ujt Front tire size: 15x5 Front tires condition: 80 - 100% Rear tire size: 15x5 Rear tires condition: 80 - 100% Battery condition: 80 - 100% Image may serve as a sample illustration Turning radius inner/outer: 0 / 2.13 m Wheelbase: 1.85 m Own weight: 2,145 kg Load capacity: 227 kg Length retracted: 2,440 mm

Condition: used, Year of construction: 2021, operating hours: 970 h, lifting height: 12,100 mm, fuel type: diesel, drive type: Diesel, construction width: 2,250 mm, Telescopic platform CE certificate, Kdsdpfxow Spy Ao Ag Ust