Used Unbekannt Multi-Spindle Drill Head for sale (27,437)

Condition: used, Technical details: Duodpsu Idwnofx Anysw number of spindles: 9 Stück weight of the machine ca.: 10,2 t Transfer machine with 9 Drill-& Mill spindles - right 2x drill -& mill spindle and 1x thread cutting spindle with 9 stages - left 2x drill -& mill spindle and 1x thread cutting spindle with 9 stages such as radial 2x drill-& mill spinlde flexible and 1x thread cutting spindle 9 stages, flexible i.D. *

Condition: used, Technical details: Dodpfx Anou Idxreyeuw number of spindles: 15 Stück number of stations: 8 Stück control: PS 2000 total power requirement: 83,0 kW weight of the machine ca.: 17,0 t space requirement of the machine approx.: LxBxH: 5,0 x 6,2 x 3,8 m dimensions of machine: LxBxH: 2400x2800x2800 mm dimensions electric cabinet: Nr.1: LxBxH: 1000x850x2350 mm dimensions electric cabinet: Nr.2: LxBxH: 1250x650x2230 mm dimensions electric cabinet: Nr.3: LxB.H: 650x600x2300 mm dimensions electric cabinet: Nr.4: LxBxH: 1300x650x2350 mm TRANSFER MACHINE with 3 work station and 15 drill & mill spindles - for example the production of a high quantity of armatures Other technical information about the machine: - workpiece carrier: workpiece holding barrel Ø 800mm for 8 work piece - clamping station, clock cycle of 10 sec. - drilling and milling unit: SK 40 intake; spindle stroke 125 mm; standard feed rate 1m/min; rapid traverse feed rate 4m/min; RPM max. 2240 rpm - right 4x drill-& mill spindle with 18 stages and 1x thread cutting spindle hydr. 14 up to 224 U/min, left 4x drill and mill spindle with 18 stages and 1x thread cutting spindle hydr. from 14 up to 224 U/min such as radial 3x drill -and mill spindle from that 1x U-Axis and 1x thread cutting spindle 1.Thread-cutting unit: SK 40 Intake; Quill Ø 125 mm; quill-stroke 125mm; RPM 35.5 - 900 rpm; right/left 2.Thread-cutting unit: SK 40 Intake; Quill Ø 125 mm; quill-stroke 80mm; RPM 45 - 560 rpm; right/left Equipment: - 2 hydraulic aggregate - chip conveyor - belt filter produced by Filtertechnik Gera (fleece band 430mm) - control panel - manual switch i.D. *

Condition: used, Year of construction: 1998, Package of 3 Schütte S32PC Article: CNC-controlled multi-spindle automatic lathe Manufacturer: Schutte Type: S32PC Dusdpey Nk I Dsfx Anyjw Yob: 1998 One machine is operational; the other two can be used for spare parts Includes IEMCA PRA40/33/P loading magazine, built in 1997 (rack type loader) Includes IEMCA PRA40/42/F loading magazine, built in 1999 (bundle loader) Includes IEMCA SIR325 loading magazine (integral loader with bundle magazine) tooling included in delivery may differ from the pictures Please, contact us for getting more information and pictures on mail(at) or *

Condition: used, Year of construction: 1999, Technical details: number of spindles: 6 Article: cam-controlled multi-spindle automatic lathe Manufacturer: Schütte Type: SG18 Yob: 1999 six-spindle automatic lathe 6 main spindles as a chucker automatic lathe control Siemens S7-200 PLC loading and disloading in position 6 spindle brake Please, contact us for getting more information and pictures on mail(at) or Dujdpfsw Hb Trex Anyow *

Condition: used, Year of construction: 1995, Technical details: number of spindles: 6 Article: cam-controlled multi-spindle automatic lathe Manufacturer: Schütte Type: SFH130 Yob: 1995 six-spindle automatic lathe 6 main spindles as a chucker automatic lathe Dujdpfx Aew Hbz Ajnyjw control Siemens S7-200 PLC Dnt drive loading and disloading in position 6 additional cooling pump with magnetic spark plug filter Please, contact us for getting more information and pictures on mail(at) or *

Year of construction: 1977, condition: ready for operation (used), Two Schütte six-spindle turning machines including one Iemca bar feeder are available. 1) Schütte SF 42, year of manufacture: 1977, number of spindles: 6, max. bar capacity: 42mm, max. longitudinal slide stroke: 125mm, speed: 2240rpm, machine dimensions X/Y/Z: approx. 6500mm/1400mm/2200mm, weight: approx. 10000kg. Including pick-off spindle, cams, collets, chip conveyor, oil mist extraction system and Iemca PRA40/33/P bar feeder. 2) Schütte SF 51 DNT, year of manufacture: 1987, max. bar capacity: 51mm, number of spindles: 6, max. turning length: 102mm, max. drilling depth: 102mm, spindle circle diameter: 340mm. Including pick-off spindle, CNC cross slide in position 4, cams, collets, auxiliary coolant pump and chip conveyor. Documentation available. An on-site inspection is possible. Dsdjzbuuwepfx Anyjuw

Condition: reconditioned (used), functionality: fully functional, GILDEMEISTER GS20 LATHE VARIANT 25 MM ELECTRICALLY AND MECHANICALLY REFURBISHED -REFURBISHED PNEUMATIC SECONDARY CHUCK -NEW AIR TREATMENT UNIT AND SOLENOID VALVES -RADIAL AND AXIAL SLIDES IN POS. 1-2-4-5 -WORKPIECE PICK-UP AT POS. 6 MECHANICAL OVERHAUL: 1. TURNTABLE OVERHAUL 2. SLIDE OVERHAUL 3. FRONT AND LEVER OVERHAUL 4. SPINDLE OVERHAUL 5. COLLET OPENING/CLOSING SYSTEM OVERHAUL 6. THREAD CUTTING UNIT OVERHAUL ELECTRICAL OVERHAUL: Dsdpew Sxptjfx Anysuw 1. NEW SIEMENS S71200 PLC AND SIEMENS KTP700 PANEL 2. CAM ENCODERS 3. RELAY REPLACEMENT

Condition: ready for operation (used), Year of construction: 1992, functionality: fully functional, bar diameter (max.): 51 mm, turning length: 102 mm, drilling depth: 102 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold complete with collets, holders, and additional accessories! For more Schütte multi-spindle machines available from the same location, see below! TECHNICAL DETAILS Maximum turning length: 102 mm Djdpfx Ansy R R Nwjyeuw Maximum drilling depth: 102 mm Maximum round bar diameter: 51 mm Maximum square bar diameter: 36 mm Maximum hexagon bar diameter: 44 mm Maximum octagon bar diameter: 47 mm Spindle drum diameter: 340 mm Standard bar feed: 125 mm Special bar feed: 290 mm Standard longitudinal slide travel, total: 125 mm Standard longitudinal slide travel, working stroke: 100 mm Special longitudinal slide travel, total: 160 mm Special longitudinal slide travel, working stroke: 125 mm Upper cross slide travel, total: 60 mm Upper cross slide travel, working stroke: 36 mm Middle cross slide travel, total: 60 mm Middle cross slide travel, working stroke: 36 mm Lower cross slide travel, total: 70 mm Lower cross slide travel, working stroke: 44 mm Maximum material pass-through: 51 mm Maximum material feed: 125 mm MACHINE DETAILS Coolant capacity: 660 l Pump capacity: 170 l/min EQUIPMENT Thread cutting device Right-hand threading via undercut Electric submersible pump Collets Tool holders Additional accessories

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, spindle speed (max.): 3,150 rpm, bar diameter (max.): 32 mm, turning length: 80 mm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold with collets, fixtures, and additional accessories! For more Schütte multi-spindle machines available from the same location, see below! TECHNICAL DETAILS Max. turning length: 80 mm Max. drilling depth: 80 mm Maximum material passage: 32 mm Maximum material feed: 125 mm Turning speed: 200–3,150 rpm Thread cutting speed (right-hand): 11.2–1,575 rpm MACHINE DETAILS Coolant capacity: 600 l Pump output: 170 l/min Dimensions & weight: Space required: 7.3 x 2.5 m Height: 2 m Weight: 8,300 kg Voltage: 380 V Current type: 50 Hz Main drive: 20.5 kW Immersion pump: 1.5 kW Feed drive: 1.5 kW Hydraulic pump: 1.5 kW Circulation oil pump: 0.25 kW EQUIPMENT 6 cross slides 6 longitudinal slides 6 cams for cross slides 6 cams for longitudinal slides Dodpjy R R Igsfx Anyjuw Operating tools Collets Fixtures Additional accessories

Condition: ready for operation (used), Year of construction: 1998, functionality: fully functional, bar diameter (max.): 32 mm, turning length: 80 mm, rotational speed (min.): 3,150 rpm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold complete with collets, holders, and additional accessories! For more Schütte multi-spindle machines from the same location, see below! TECHNICAL DETAILS Maximum turning length: 80 mm Maximum drilling depth: 80 mm Djdpfx Asy R Rutsnysuw Largest material passage: 32 mm Maximum bar feed: 125 mm Spindle speed (turning): 200–3,150 rpm Spindle speed (right-hand threading): 11.2–1,575 rpm Thread cutting unit: Right-hand thread via undercut MACHINE DETAILS Coolant capacity: 600 l Pump output: 170 l/min Dimensions & Weight Footprint: 7.3 x 2.5 m Height: 2 m Weight: 8,300 kg Voltage: 380 V Frequency: 50 Hz Main drive: 20.5 kW Immersion pump: 1.5 kW Feed drive: 1.5 kW Hydraulic pump: 1.5 kW Circulating oil pump: 0.25 kW EQUIPMENT 6 cross slides 6 longitudinal slides 6 cams for cross slides 6 cams for longitudinal slides Operating tools Collets Holders Additional accessories

Condition: ready for operation (used), Year of construction: 1995, functionality: fully functional, bar diameter (max.): 32 mm, turning length: 80 mm, rotational speed (min.): 3,150 rpm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold complete with collets, holders, and additional accessories! For more Schütte multi-spindle machines from the same location, see below! TECHNICAL DETAILS Maximum turning length: 80 mm Maximum drilling depth: 80 mm Largest material passage: 32 mm Maximum bar feed: 125 mm Spindle speed (turning): 200–3,150 rpm Spindle speed (right-hand threading): 11.2–1,575 rpm Thread cutting unit: Right-hand thread via undercut MACHINE DETAILS Coolant capacity: 600 l Pump output: 170 l/min Dimensions & Weight Footprint: 7.3 x 2.5 m Height: 2 m Weight: 8,300 kg Voltage: 380 V Frequency: 50 Hz Main drive: 20.5 kW Immersion pump: 1.5 kW Feed drive: 1.5 kW Hydraulic pump: 1.5 kW Circulating oil pump: 0.25 kW EQUIPMENT 6 cross slides 6 longitudinal slides 6 cams for cross slides 6 cams for longitudinal slides Operating tools Dsdpfx Aey R Rqbjnyouw Collets Holders Additional accessories

Condition: ready for operation (used), Year of construction: 1992, functionality: fully functional, bar diameter (max.): 32 mm, turning length: 80 mm, drilling depth: 80 mm, No reserve price – guaranteed sale to the highest bidder! The machine is sold with collets, holders, and additional accessories! For more Schütte multi-spindle machines available at the same location, see below! TECHNICAL DETAILS Max. turning length: 80 mm Max. drilling depth: 80 mm Maximum bar diameter round: 32 mm Maximum bar diameter square: 22 mm Maximum bar diameter hexagonal: 27 mm Maximum bar diameter octagonal: 29 mm Spindle circle diameter: 300 mm Standard bar feed: 125 mm Special bar feed: 290 mm Normal longitudinal slide total travel: 100 mm Normal longitudinal slide working travel: 80 mm Special longitudinal slide total travel: 145 mm Special longitudinal slide working travel: 115 mm Cross slide upper slide total travel: 50 mm Cross slide upper slide working travel: 33 mm Cross slide middle slide total travel: 50 mm Cross slide middle slide working travel: 30 mm Cross slide lower slide total travel: 60 mm Cross slide lower slide working travel: 37.5 mm Maximum material passage: 32 mm Maximum material feed: 125 mm MACHINE DETAILS Voltage: 400 V Frequency: 50 Hz Coolant capacity: 700 l Pump: E-submersible pump Pump capacity: 180 l/min EQUIPMENT Rapid drilling device Gripper device Dsdpfjy R Rnyox Anyouw Reaming device Independent auxiliary longitudinal control Motorized cross slide adjustment Collets Holders Additional accessories

Condition: ready for operation (used), Year of construction: 1992, functionality: fully functional, bar diameter (max.): 32 mm, turning length: 80 mm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! This machine is sold complete with collets, tool holders, and additional accessories. For more Schütte multi-spindle lathes available from the same site, please see below! TECHNICAL DETAILS Maximum turning length: 80 mm Maximum drilling depth: 80 mm Maximum bar diameter, round: 32 mm Maximum bar diameter, square: 22 mm Maximum bar diameter, hexagonal: 27 mm Maximum bar diameter, octagonal: 29 mm Spindle pitch circle diameter: 300 mm Standard bar feed up to: 125 mm Special bar feed up to: 290 mm Standard longitudinal slide travel, total: 100 mm Standard longitudinal slide travel, working travel: 80 mm Special longitudinal slide travel, total: 145 mm Special longitudinal slide travel, working travel: 115 mm Upper cross slide travel, total: 50 mm Upper cross slide travel, working travel: 33 mm Middle cross slide travel, total: 50 mm Middle cross slide travel, working travel: 30 mm Lower cross slide travel, total: 60 mm Lower cross slide travel, working travel: 37.5 mm Maximum material passage: 32 mm Maximum material feed: 125 mm MACHINE DETAILS Voltage: 400 V Frequency: 50 Hz Coolant capacity: 700 l Pump: Submersible electric pump Pump output: 180 l/min EQUIPMENT High-speed drilling unit Gripper unit Reaming unit Duedpey R Rm Aefx Anyew Independent auxiliary longitudinal control Powered cross slide adjustment Collets Tool holders Additional accessories

Condition: ready for operation (used), Year of construction: 1998, functionality: fully functional, spindle speed (max.): 3,150 rpm, bar diameter (max.): 32 mm, turning length: 80 mm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold with collets, holders, and additional accessories! For more Schütte multi-spindle machines being sold from the same location, see below! TECHNICAL DETAILS Maximum material passage: 32 mm Maximum material feed: 125 mm Maximum turning length: 80 mm Maximum drilling depth: 80 mm Turning speed: 200–3,150 rpm Thread cutting speed (right-hand): 11.2–1,575 rpm Thread cutting device: Right-hand thread by underspinning MACHINE DETAILS Djdpey R Rkujfx Anysuw Coolant capacity: 600 l Pump output: 170 l/min Dimensions & weight Footprint: 7.3 x 2.5 m Height: 2 m Weight: 8,300 kg Voltage: 380 V Current type: 50 Hz Main drive: 20.5 kW Immersion pump: 1.5 kW Feed drive: 1.5 kW Hydraulic pump: 1.5 kW Circulating oil pump: 0.25 kW EQUIPMENT 6 cross slides 6 longitudinal slides 6 cams for cross slides 6 cams for longitudinal slides Operating tools Collets Holders Additional accessories

Condition: ready for operation (used), Year of construction: 1991, functionality: fully functional, bar diameter (max.): 32 mm, turning length: 80 mm, rotational speed (max.): 3,150 rpm, drilling depth: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine is sold with collets, tool holders, and additional accessories! For more Schütte multi-spindle machines from the same location, see below! TECHNICAL DETAILS Maximum bar capacity: 32 mm Maximum bar feed: 125 mm Maximum turning length: 80 mm Maximum drilling depth: 80 mm Spindle speed for turning: 200–3,150 rpm Dusdpoy R Rcwofx Anyjw Spindle speed for right-hand thread cutting: 11.2–1,575 rpm MACHINE DETAILS Coolant capacity: 600 l Pump output: 170 l/min Dimensions & Weight Required space: 7.3 x 2.5 m Height: 2 m Weight: 8,300 kg Voltage: 380 V Frequency: 50 Hz Main drive: 20.5 kW Immersion pump: 1.5 kW Feed drive: 1.5 kW Hydraulic pump: 1.5 kW Circulating oil pump: 0.25 kW EQUIPMENT 6 cross slides 6 longitudinal slides 6 cams for cross slides 6 cams for longitudinal slides Operating tools Collets Tool holders Additional accessories

Condition: ready for operation (used), Year of construction: 1983, functionality: fully functional, spindle speed (max.): 3,150 rpm, bar diameter (max.): 32 mm, overall weight: 8,300 kg, No reserve price – guaranteed sale to the highest bidder! The machine is sold with collets, tool holders, and additional accessories! For more Schütte multi-spindle machines being sold from the same location, please see below! Duodpfey R N Ulox Anysw TECHNICAL DETAILS Maximum bar diameter, round: 32 mm Maximum bar diameter, square: 22 mm Maximum bar diameter, hexagonal: 27 mm Maximum bar diameter, octagonal: 29 mm Spindle circle diameter: 300 mm Bar feed normal/special up to: 125 / 290 mm Longitudinal slide travel, standard, total/work stroke: 100 / 80 mm Longitudinal slide travel, special, total/work stroke: 145 / 115 mm Cross slide travel, upper slide, total/work stroke: 50 / 33 mm Cross slide travel, middle slide, total/work stroke: 50 / 30 mm Cross slide travel, lower slide, total/work stroke: 60 / 37.5 mm Number of spindle speeds: 49 Spindle speed range I: 450–3,150 rpm Spindle speed range II: 200–1,400 rpm Workpiece revolutions per operation, standard: 60–425 Workpiece revolutions per operation, shortened: 33.5–236 Workpiece revolutions per operation, extended: 95–670 Number of main times per spindle speed: 35 MACHINE DETAILS Drive motor rated power: 18.5 kW Drive motor speed: 1,500 rpm Dimensions with control cabinet (L x W): 3,850 x 1,510 mm Length with bar feeder: 6,453 mm Machine weight: 8,300 kg Space requirement for packed machine: 15 m³ EQUIPMENT Collets Tool holders Additional accessories

Condition: ready for operation (used), Year of construction: 1982, functionality: fully functional, spindle speed (max.): 3,150 rpm, bar diameter (max.): 32 mm, overall weight: 8,300 kg, No reserve price – guaranteed sale to the highest bidder! The machine is sold complete with collets, toolholders, and additional accessories! For more Schütte multi-spindle machines available from the same location, see below! TECHNICAL DETAILS Maximum bar diameter, round: 32 mm Maximum bar diameter, square: 22 mm Maximum bar diameter, hexagonal: 27 mm Maximum bar diameter, octagonal: 29 mm Spindle pitch circle diameter: 300 mm Standard/special bar feed: up to 125 / 290 mm Standard longitudinal slide travel, total/traverse: 100 / 80 mm Special longitudinal slide travel, total/traverse: 145 / 115 mm Cross slide travel – upper slide, total/traverse: 50 / 33 mm Cross slide travel – middle slide, total/traverse: 50 / 30 mm Cross slide travel – lower slide, total/traverse: 60 / 37.5 mm Duodoy R N I Espfx Anyow Number of spindle speeds: 49 Spindle speed range I: 450–3,150 rpm Spindle speed range II: 200–1,400 rpm Workpiece revolutions per cycle, standard: 60–425 Workpiece revolutions per cycle, reduced: 33.5–236 Workpiece revolutions per cycle, extended: 95–670 Number of main times per spindle speed: 35 MACHINE DETAILS Drive motor: 18.5 kW Drive motor speed: 1,500 rpm Dimensions & Weight Dimensions with control cabinet (L x W): 3,850 x 1,510 mm Length with bar feeder: 6,453 mm Machine weight: 8,300 kg Space required for packed machine: 15 m³ EQUIPMENT Collets Toolholders Additional accessories

Condition: ready for operation (used), Year of construction: 1992, functionality: fully functional, spindle speed (max.): 3,750 rpm, bar diameter (max.): 26 mm, overall weight: 6,800 kg, No reserve price – guaranteed sale to the highest bidder! The machine is sold complete with collets, toolholders, and additional accessories! For further Schütte multi-spindle machines for sale from the same location, see below! TECHNICAL DETAILS Bar diameter round: 26 mm Bar diameter square: 19 mm Bar diameter hexagonal: 22 mm Bar diameter octagonal: 24 mm Spindle circle diameter: 270 mm Standard bar feed: 125 mm Special bar feed: 290 mm Longitudinal slide travel, standard total: 80 mm Dedpfey R Nx Djx Anyjuw Longitudinal slide travel, standard working length: 63 mm Longitudinal slide travel, special total: 125 mm Longitudinal slide travel, special working length: 98 mm Cross slide travel, upper slide total: 40 mm Cross slide travel, upper slide working length: 25 mm Cross slide travel, middle slide total: 40 mm Cross slide travel, middle slide working length: 25 mm Cross slide travel, lower slide total: 50 mm Cross slide travel, lower slide working length: 31 mm Number of spindle speeds: 49 Spindle speed range I: 530–3,750 rpm Spindle speed range II: 236–1,700 rpm Workpiece revolutions per working cycle, standard: 60–425 Workpiece revolutions per working cycle, short: 33.5–236 Workpiece revolutions per working cycle, extended: 95–670 Number of main times per spindle speed: 35 MACHINE DETAILS Rated drive motor power: 18.5 kW Drive motor speed: 1,500 rpm Dimensions & Weight Dimensions with control cabinet (L x W): 3,500 x 1,450 mm Length with bar guide: 6,470 mm Machine weight: 6,800 kg Space requirement for packed machine: 14 m³

Condition: used, Year of construction: 1987, Technical details: Dsdpfomf Aw Aox Anysuw number of spindles: 8

Condition: used, Year of construction: 1998, number of spindles 6 spindle passage 27 mm turning length 59 mm hexagon material 24 mm Djdevh Naqjpfx Anyjuw square material 18 mm cross slide travel 36 mm longitudinal slide travel 85 mm spindle turning speed range 366 - 5020 U/min max. torque 95 Nm control INDEX total power requirement 20 kW - 6 cross slides - 6 longitudinal slides - polygon device - thread cutting device - hydr. tapping device - workpiece removal belt - bar loading magazine PIETRO CUCCHI, model AN-BN Accessories: various tool holders, various collets, chip conveyor, coolant

Condition: good (used), Year of construction: 2000, The upper drill head is missing. Dsdpst Aifxsfx Anyouw Working height: 1030 mm, Height: 1680 mm, Depth: 1800 mm, Width: 2450 mm

Year of construction: 1977, condition: refurbished (used), I sell the double mitre saw Rapid DGS, year 1977. Tilting heads Djdpsd N Rb Dsfx Anyjuw Drilling front heads on each side included Very good condition. Available immediately.

Condition: used, Universal boring head STANKO Spindle tool, spindle head Tool holder: SK 40 - M16 Adjustment bushing holder: Ø 36 mm Adjustment range: 17.5 mm Adjustment accuracy: 0.01 mm Tool shank: Ø 18/22 mm Machining diameter: approx. 10-45 mm - Adapter SK40 to adjustment bushing Ø 36 mm - Boring head with adjustment bushing shank Ø 36 mm Duedpfx Anoxciv Doyew Net weight: 5 kg Very good condition

Condition: used, Multi-speed machine with flexible shaft, BIAX Type MB 4-2 Machine No. 9/50/55, Year of manufacture approx. 1970 Length of flexible shaft: 2 meters Speed: 900 - 9000 rpm, infinitely adjustable Motor speed: 3000 rpm Motor power: 1.2 kW = 1.5 hp Power connection: 380 Volts, 50 Hz - Handheld straight grinder with collet Ø 6 mm - Swiveling and rotating base - Transport trolley with 2 drawers Overall dimensions: 850 x 550 x 1100 Weight: approx. 80 kg Good condition Universally suitable for milling, grinding, and polishing operations. Dusdpfx Anofim Tisyew

Condition: good (used), Year of construction: 2015, Ref. -No.: 10421 Manufacturer: SCHüTTE Type: SF 26 Year of construction: 2015 Storage location: Halberstadt Dsdpfx Anjy Ed Ateyjuw Country of origin: Germany Serial no.: 3 Power consumption: 35 kW Weight Of The Machine Ca.: 6,6 t