Used combined woodworking machines for sale (103)

Condition: used, Kirchner Leipzig triple-spindle combined table saw, mortising and milling machine. Without milling arbor. engine: 3 kW Gjdswzbcvepfx Ab Uokf

Condition: used, Colombo dowel boring machine 2 vertical axes, 11 kW each 2 dowel heads, 3 kW each Weight 3500 kg Gkodpfx Abox Dnl To Usf 35 kW, 400V/50 Hz Year of manufacture 2001

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2600x3010x1250 mm Weight 500 kg Total power requirement 3,8 kw Gsdpfxsvz Hlwj Ab Uekf

Condition: new, Year of construction: 2025, Maximum equipment for the professional. Multiple combination with TERSA cutterhead, miter cutting device and swiveling milling spindle. Ø 350 mm main saw blade with 118 mm max. cutting height, which is also achieved with the scoring saw blade installed Scoring device with separate motor and Ø 120 mm saw blade, easily and conveniently adjustable from the outside High-precision sliding carriage made of anodized aluminum on hardened and drilled steel guide rails Large boom (1200 x 650 mm) with roller and extendable aluminum telescopic fence up to max. 3300 mm Sawing unit swivels from 90° to -45 Pivoting milling spindle from 90° to -45° backwards into the milling fence Four milling speeds Right-left rotation of the milling spindle Quick change to thickness planer thanks to parallel opening jointer tables 2-stage feed in the thicknessing table Sharp toothed steel infeed roller for uniform wood infeed Three independent industrial motors With separate saw-parallel fence and separate feeder fence With lockable main switch Equipment details: Format fence Immediate control Boom Boom with angle-adjustable telescopic lay-off stop with graduation Sliding carriage with ball contact system made of anodized aluminum guides in hardened and ground steel F550S, 15% harder than conventional steel guides riveted and not glued light running, low noise and reliable 10 years HOLZKRAFT warranty on wear of hardened guideways cast iron double cradle saw unit height adjustment via dovetail guide extremely robust and torsionally stiff for precise cuts Gkedpfx Aecnxa Seb Ujf close to the saw blade, mounted on both sides height and inclination adjustable up to 45 standard scoring unit with separate scoring motor 0,55 kW double cradle scoring unit large-dimensioned swiveling double cradle milling unit made of cast iron milling stop heavy professional design the high quality cast iron fence is supplied with fine adjustment as standard 3-fold positionable for fast readjustment of the setting with fine adjustment via toothed rack, numerical display and aluminum fraise stop jaws Planer steel infeed rollers with helical teeth for a constant and uniform wood infeed solid backstops prevent the backstroke of workpieces 4-knife torsion shaft ensures an optimal planing pattern table lips for a quieter running Tersa planing cutterhead No more adjusting and screwing Change of planing knives in seconds Self-locking Especially low noise Thicknessing table The thicknessing table is mounted on four large-dimensioned spindles, which ensure high stability under all working conditions. Due to the special lifting device, the table position is perfectly maintained even without locking. Rip fence with fine adjustment and quick clamping stable round bar guide made of ground steel reversible aluminum ruler no measuring gap, guide rods are overlapping Separate dressing fence large professional design (1800 x 150 mm) 0-45° swiveling with quick adjustment stable round bar guide made of ground steel simultaneous opening Art: No. 5500557

Condition: used, Year of construction: 2009, cutting height (max.): 102 mm, cutting width (max.): 800 mm, saw blade diameter: 315 mm, planing width: 310 mm, total length of planing tables: 1,500 mm, total width: 2,120 mm, total length: 2,600 mm, total height: 1,300 mm, rotational speed (min.): 3,000 rpm, rotational speed (max.): 10,000 rpm, overall weight: 900 kg, chip removal: 5 mm, chip removal for surfacing (max.): 5 mm, number of planer blades: 4, spindle speed (max.): 10,000 rpm, spindle speed (min.): 3,000 rpm, Equipment: scorer, No. 04501 5-fold combined machine Felder CF 531 Used, year of construction 2009, very good condition Circular saw tiltable - table router tiltable - surface planer / thickness planer - preparation for long hole drilling support / long hole drilling device Circular saw Motor power 3 kW Scoring unit Sliding table 2500 mm long Manual saw blade tilting 90° - 45° Saw blade diameter 250 - 315 mm Spindle diameter 30 mm Godsxzk Thepfx Ab Uekf Cutting height max. 102 mm Cutting width approx. 800 mm Outrigger table with telescopic cross-cut fence Pivoting cross-cut fence with degree scale Moulder Motor power 3 kW Moulder table opening diameter 180 mm Maximum cutter diameter 300 mm Spindle diameter 30 mm Manual spindle swivel 90° - 45° Speed 3000 / 6000 / 8000 / 10000 rpm Planer Motor power 3 kW 4-knife planer shaft Planer Table length 1500 mm Planer Table width 310 mm Chip removal max. 5 mm Parallel fence pivotable 0° - 45° Thicknesser Table length 540 mm Thicknesser width 306 mm Thicknesser height 4 - 220 mm Switchable feed rate 6 m/min Preparation for long hole drilling support / long hole drilling device With travel device and handlebar Machine CE-compliant, GS-tested Technical documentation available as .pdf file Transport dimensions approx. 2600 x 2120 x 1300 mm LWH Weight approx. 900 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices plus VAT, payment before collection or dispatch Terms of delivery: ex warehouse

Condition: excellent (used), CATALOG NUMBER: 7081 TECHNICAL SPECIFICATIONS - JOINTER: - Shaft width: 260 mm - Table length: 1190 mm - Cast iron fence, angle adjustable - Adjustable tables - THICKNESSER: - Max workpiece thickness: 110 mm - Thicknesser shaft guard - From above: - Anti-kickback fingers - Toothed feed roller Gksdpfx Ajnabqzob Uof - Planing shaft - Smooth outfeed roller - Extraction port diameter: 85 mm - CIRCULAR SAW: - Max blade diameter: 160 mm - Cutting height: 25 mm - Blade bore diameter: 30 mm - Blade height adjustable (up/down) - Blade guard - Cutting width with fence: 160 mm - Table dimensions: 710 x 420 mm - SPINDLE MOULDER: - Spindle diameter: 30 mm - Spindle height adjustable (up/down) - Spindle height: 110 mm - Max tool diameter: 190 mm - Fence - Motor approx. 2.2 kW - Dimensions (L/W/H): 1200 x 900 x 800 mm - Weight: 325 kg ADVANTAGES - Compact, takes up little space - Very good condition - Used multifunctional machine Net price: 7,900 PLN Net price: 1,880 EUR (based on 4.2 EUR/PLN exchange rate) (Prices are subject to change due to currency fluctuations)

Condition: used, The stable Bäuerle KFL type combined woodworking machine combines a sliding table saw, mortising machine and table router with feed in one machine and comes with extensive accessories. Engines: 2 length: approx. 320 cm Godpfx Aoxwbpfob Uekf Accessori: approx. 140 cm height: approx. 160 cm table: Pivotable Technical details: on demand

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 0x0x0 mm Weight 850 kg Gjdpfx Ajvz Hkmsb Uskf Total power requirement 5,5 kw

Condition: as good as new (ex-display), Year of construction: 2025, ST 3 classic F 23 - Combined sawing-routing machine With tiltable saw blade, tiltable milling spindle and format sliding carriage made of anodized aluminum Sturdy cast steel construction Large support surface and precise cast iron table High-precision format sliding carriage made of anodized aluminum (travel 2250 mm) Large extension arm (900 x 600 mm) with telescopic aluminum stop Max. Saw blade Ø 315 mm with scoring device, swiveling from 90°-45°. Saw parallel fence with fine adjustment Stable sawing unit and large dimensioned double cradle frame unit guarantee highest stability, precision, smooth running and long service life Solid and precise machine table made of stress-free cast iron 3 milling speeds, manually adjustable from 3.500 - 10.000 min-1 With right-left rotation of the milling spindle Standard arc milling protection hood Two 5.0 kW motors with high power reserves Cast iron milling unit top mounted on both sides precision ball bearings on top close to the lever point four optimally graduated milling speeds, enabling the grinding of workpieces Powerful motors Industrial motor, 100% duty cycle suitable for continuous use (full load) Scope of delivery: Curved fraise protection hood anodized aluminum format sliding carriage aluminum stop jaws folding stop jaws Technical data Dimensions cast iron worktable 1112 x 430 mm working length 2250 mm max. saw blade Ø with/without scoring 315 mm max. cutting height at 90°/45° 100/70 mm max. cutting width 2660 mm saw blade tilting 90° - 45° cutting width 900 mm speed 4000 1/min. table cutter - spindle tilting 90° - 45 useful length of spindle 100 mm max. tool Ø 210 mm max. tenon tool Ø 275 mm max. tool-Ø retractable 180 mm speeds 3.500/7.000/10.000 1/min. General - motor power 400 V/50 Hz/S6 40% 2 x 5,0 kW ( 6,6 PS) Weight 470 kg Suction nozzle-Ø 2 x 120 mm Suction nozzle-Ø saw blade guard 60 mm Gsdecnwydepfx Ab Ujkf Location: Ex stock 54634 Bitburg - immediately available -

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 0x0x0 mm Weight 870 kg Gkedpfxevz Hive Ab Uof Total power requirement 5,5 kw

Condition: new, Year of construction: 2025, LAB 300 PLUS F 16 TERSA - Universal multiple combination with aluminium sliding table and three milling speeds for sawing, milling, planing/thickness planing and optional slot drilling torsion-resistant cast steel construction machine table made of grey cast iron, hardened and ground light-weight anodized aluminium sliding carriage, 10 years warranty on wear of the guideways large trimming frame with extendable aluminium telescopic fence and folding fences with combi saw fence with 45° quick adjustment max. saw blade Ø 315 mm with optional scoring device, swivels from 90°-45° helical toothed steel infeed roller for uniform wood infeed when planing thicknesses four milling speeds, manually adjustable standard with right-left rotation of the milling spindle three independent motors for each working unit Gkedpfx Ascnxa Nsb Uof scope of delivery: Combi planer/parallel fence arched cutter guard Tersa cutterhead anodized aluminium sliding carriage aluminium stop jaws folding fence eccentric clamping arm Model LAB 300 PLUS F 16 Tersa Article-No. 5500314 Technical data ---Technical data circular saw--- circumference 1600 mm max. saw blade diameter with scoring 315 mm max. cutting height at 90° / 45° 100/79 mm max. clearance width left of saw blade 1660 mm cutting width at rip fence 800 mm saw shaft speed 3500 rpm. saw blade inclination 90° - 45 ---Technical data dressing--- working width 300 mm Dressing table length 1260 mm Ho

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2000x3010x1250 mm Gedpfsvz Hgzjx Ab Uekf Weight 400 kg Total power requirement 4 kw

Condition: new, Year of construction: 2025, Combined saw-milling machine minimax st 3c F 16 Swiveling saw blade, swiveling milling spindle and format sliding carriage made of anodized aluminum Sturdy cast steel construction Large support surface and precise cast table High-precision sliding carriage made of anodized aluminum (travel 2250 mm) Large trimming frame (900 x 600 mm) with telescopic aluminum fence extendable up to 2660 mm with professional stop flaps Max. Saw blade Ø 315 mm with scoring device, tiltable from 90° - 45 Saw parallel fence with fine adjustment Stable saw unit and large dimensioned double cradle milling unit guarantee highest stability, precision, smooth running and long service life Solid and precise machine table made of stress-free gray cast iron Three milling speeds, manually adjustable from 3500 - 10000 min-¹ With right-left rotation of the milling spindle Standard arc milling protection hood Safety turning stop jaws made of aluminum Two motors with high power reserves Two plug-in handwheels for convenient and quick operation Dimensions and weights Weight approx. 470 kg Connection suction Suction port diameter 2 x 120 mm Suction port diameter saw blade guard 60 mm Electrical data Power drive motor 2 x 5,0 kW Supply voltage 400 V Mains frequency 50 Hz Milling spindle spindle inclination 0 - -45 ° useful length of spindle 100 mm spindle speeds 3500/7000/10000 min-¹ Milling tool diameter max. not lowerable 210 mm lowerable 180 mm tenon milling 275 mm K Gedpfx Ashp Rdljb Uekf

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 0x0x0 mm Weight 2200 kg Gkodpovz E Tgjfx Ab Uef Total power requirement 44 kw

Condition: as good as new (ex-display), Year of construction: 2025, minimax c 26g TERSA - multiple combination for sawing, milling, planing-thicknessing. The work tables made of heavily ribbed cast iron and the base frame made of welded steel guarantee torsional rigidity and vibration-free working. Unique in this performance class: lightweight aluminum sliding table, anodized, with ball contact system. Swiveling saw blade from 90° - 45 Table extension arm with aluminum crosscut fence for panels and large workpieces Planing unit with TERSA quick change system with three planing knives Helical toothed steel infeed roller for constant workpiece infeed during thickness planing Curved milling hood for profiling, standard with fine adjustment Milling unit with two speeds Three independent motors for each working unit Quality Made in Europe Equipment details Aluminum sliding carriage With millionfold proven ball contact system Insensitive to dust and dirt due to minimal contact point between ball and trapezoidal rail Durably lightweight Saw unit adjustment Manual height and angle adjustment of the saw unit via star knob Precise positioning by means of a scale TERSA planer cutterhead No more adjusting and screwing Change of planing knives in seconds Self-locking Particularly low noise Table planer The milling unit has two speeds for flexible tool use. The machine is equipped with a finely adjustable bow cutter for profiling. With the aluminum slide tenoning is possible without any problems. Thickness planer With the powerful thickness feed, workpieces up to 200 mm high can be planed. The helical toothed infeed roller guarantees constant infeed. The planing table can be folded towards the inside of the machine to save space. The changeover from planer to thicknesser is done in seconds with one handle. Surface planer Standard with TERSA planer blade quick change system Large dimensioned jointer tables The planing and thicknessing tables are made of grey cast iron and guarantee the smoothest running and vibration-free operation. Saw unit Saw swivels up to 45 With saw blade 250 mm Ø at max. 80 mm cutting height On the rip fence can be cut up to 500 mm width. Table extension With degree scale and aluminum fence for angular cuts on panels and large workpieces Scope of delivery: Tersa quick-change planer cutterhead Anodized aluminum format sliding carriage Miter fence with one folding stop Multifunctional fence for parallel cutting and planing Eccentric clamping arm Gkedsdqzh Tspfx Ab Uef Model minimax c 26g TERSA Article no. 5500027 Cutting length 1200 mm Cutting width with rip fence 500 mm Max. Cutting width left of saw blade 1200 mm saw blade inclination 90 - 45 degrees Max. Cutting height at 90° 80 mm sliding carriage length 1140 mm Format sliding carriage width 201 mm Height of sliding table 70 mm Saw table length 1024 mm saw table width 224 mm saw table height 900 mm Cutterblock type TERSA Cutterblock diameter 62 mm Number of planing knives 3 pcs Planing table width 260 mm Dressing table length 1040 mm Angle of inclination of sawing/planing fence 90/45 degrees Dressing chip removal max. 3 mm Thicknessing table length 450 mm Thicknessing table width 260 mm Thickness working height min. 3 mm Location: Ex stock 54634 Bitburg - immediately available -

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 1500x2900x850 mm Gjdpfx Aovz E S Aob Ujkf Weight 650 kg Total power requirement 3 kw

Condition: as good as new (ex-display), Year of construction: 2025, Combi 4-way HOLZKRAFT CU 410c F 26 N Tersa -- Technical data -- - Circular saw - circumference 2.600 mm max. saw blade Ø 315 mm Gksdpfxod Dtc Ts Ab Uef max. cutting height at 90°/45° 100 / 79 mm max. clearance width left of saw blade 2.310 mm cutting width at rip fence 900 mm saw blade tilt 90° -45° - Dressing - working width 410 mm planing table length 1.660 mm planing shaft Ø / number of planing knives 72 mm / 3 pcs. - Thickness table dimensions 410 x 605 mm min./max. working height 3 / 230 mm max. chip intake 4 mm feed speed 7 m / min -table milling machine - useful length spindle 100 mm max. tenon tool Ø 275 mm max. tool Ø 210 mm spindle speed 3.500 / 6.000 / 10.000 rpm spindle Ø 30 mm - General - motor power 400 V / 50 Hz, 3 x 5,0 kW (6,6 PS) Suction nozzle-Ø 4 x 120 mm suction nozzle-Ø saw blade protection 60 mm - Special offer price - Location: Ex stock 54634 Bitburg

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 1300x2070x1135 mm Weight 320 kg Gkedpfx Absvz E Sie Uef Total power requirement 2,2 kw

Condition: new, Year of construction: 2025, Holzkraft Minimax ST 5es - Maximum equipment for professionals Saw-milling combination with miter cutting device and swiveling milling spindle Art. No.: 5501086 Ø 350 mm main saw blade with 118 mm max. cutting height, which is also achieved when the scoring saw blade is installed Scoring unit with separate motor and Ø 120 mm saw blade, easily and precisely adjustable from the outside Saw unit can be tilted from 90° to -45 High-precision format sliding carriage made of anodized aluminum Large extension arm (1200 x 650 mm) With material roller and extendable aluminum telescopic fence up to 3300 mm Pivoting milling spindle from 90° to -45° backwards into the milling fence Four milling speeds With right-left rotation of the milling spindle Three independent motors With lockable main switch, motor protection switch With separate saw-parallel fence and separate jointing fence for dressing as standard Equipment details: Sliding carriage with ball contact system Made of anodized aluminum Guides made of hardened and ground steel, 15% harder than conventional steel Double cradle milling unit Swiveling, made of cast iron Fixing points directly on the table, thus optimal running smoothness Milling spindle mounted far up on precision ball bearings, thus low bearing load and longest possible service life Powerful industrial motors Milling stop Heavy-duty professional version The high-quality milling fence made of cast iron is supplied with fine adjustment as standard 3-fold positionable for quick return of the setting With fine adjustment via toothed rack, numerical display and aluminum milling stop jaws Rip fence Gedpsd Hx Hmsfx Ab Uekf With fine adjustment and quick clamping Sturdy round bar guide made of ground steel Conveniently folds down for cutting large workpieces Reversible aluminum ruler for narrow workpieces Cast iron double weigh saw unit Height adjustment via dovetail guide Extremely robust and torsion-resistant for precise cuts Close to the saw blade, mounted on both sides Height and up to 45° inclination adjustable Scoring unit with separate scoring motor 0.55 kW as standard Boom with angle-adjustable telescopic crosscut fence with degree raster graduation Dimensions and weights weight approx. 900 kg Connection dust extraction diameter of dust extraction nozzle 3 x 120 mm Suction port diameter saw blade guard 80 mm Drive power scoring motor 0,55 kW main motor 2 x 5,0 kW Electrical data Supply voltage 400 V Format sliding carriage and table Width of sliding table 360 mm height of sliding table 142 mm Table length 1380 mm table width 465 mm Milling spindle spindle inclination 0 - -45 ° useful length of spindle 125 mm spindle speeds 3500/6000/8000/10000 min-¹ Milling tool diameter max. lowerable 240 mm tenon milling 320 mm Circular saw unit and scoring unit trimming length 3200 mm Cutting width with rip fence 900 mm Max. Trimming width to the left of the saw blade 3300 mm saw blade inclination 90 - 45 °. Max. Cutting height 90° 104 mm Max. Cutting height 45° 68 mm Location: Ex stock 54634 Bitburg - immediately available -

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2200x1800x1200 mm Weight 650 kg Total power requirement 3 kw Gedpjvz E Rxefx Ab Uokf

Condition: new, Year of construction: 2025, For sawing, milling, planing/thickness planing and optional slot drilling in confined spaces High-precision format sliding carriage made of anodized aluminum, various lengths Large extension arm (1200 x 650 mm) with material roller and extendable aluminum telescopic fence up to max. 3200 mm with professional fence flaps Max. Saw blade Ø 315 mm, tiltable from 90° to -45°. Large swivel range of the milling spindle from 90° to -45° backwards Four milling speeds up to 10000 min-¹, manually adjustable With right-left rotation of the milling spindle Heavily ribbed dressing tables made of stress-free gray cast iron for decades of stability and flatness 2-stage feed for thickness planing Three independent industrial motors for continuous operation With lockable main switch, motor protection switch Fixed hand wheels Dimensions and weights Weight (net) approx. 857kg Dressing table Dressing table width 410mm Dressing table length 2000mm chip removal max. dressing 5mm Connection suction Suction port diameter 3 x 120mm Suction port diameter saw blade guard 60mm Installation information Required space length 5960mm Space requirement width/depth 5140mm Explanation of space requirements The dimensions take into account maximum travel distances or useful lengths. Working area length 1600mm Working area width/depth 1600mm Explanation of working area Please add the dimensions given with the space requirement to obtain the free installation area recommended for the machine. Thickness Thickness table length 757mm Thickness table width 423mm Working height thickness min. 3mm Working height thickness max. 230mm Chip removal max. thickness 5mm Electrical data Gkodpfx Ajih Dxlsb Ujf Supply voltage 400V Mains frequency 50Hz Rated operating mode drive motor S6 Duty cycle drive motor 40% Power drive motor 3 x 5,0kW Sliding carriage and table sliding table length 2660mm Format sliding carriage width 360mm format sliding carriage height 142mm table length 1250mm table width 430mm table height 900mm Milling spindle spindle inclination 0 - -45 spindle mandrel diameter 30mm useful length of spindle 125mm Spindeldrehzahl(en) 3500/6000/8000/10000min⁻¹ Milling tool diameter max. Tool diameter max. lowerable 210mm tool diameter max. lowerable 45° 150mm tool diameter max. tenon milling 275mm Planer cutterhead Type of cutterblock TERSA planing shaft diameter 87mm Number of planing knives 4pcs planing shaft speed 5200min-¹ Circular saw unit trimming length 2600mm Cutting width with rip fence 900mm Max. Cutting width left of saw blade 3260mm saw blade inclination 90 - 45 Max. Cutting height at 90° 90mm Max. Cutting height at 45° 63mm Max. Saw blade projection 90° 100mm Max. saw blade Saw blade projection 45° 71mm Diameter (main) saw blade 315mm Explanation Diameter (main) saw blade with scoring device Speed (main) saw blade 4000min-¹ Feed rate Feed speed 6 - 12m/min Location: Ex stock 54634 Bitburg - immediately available -

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2200x1800x1200 mm Weight 650 kg Total power requirement 2,2 kw Gsdpfx Abevz E Rre Ujkf

Condition: as good as new (ex-display), Year of construction: 2025, Combi 4-fold HOLZKRAFT CU 300 Classic F 23 N -- Technical data -- - Circular saw - circumference 2.250 mm max. saw blade Ø 315 mm max. cutting height at 90°/45° 103 / 82 mm max. clearance width left of saw blade 2.310 mm cutting width at rip fence 820 mm saw blade inclination 90° -45° - Dressing - working width 300 mm Gksdpfsci Tvhjx Ab Uef planing table length 1.510 mm planing shaft Ø / number of planing knives 72 mm / 3 pcs. - Thickness table dimensions 300 x 585 mm min./max. working height 3 / 230 mm max. chip intake 4 mm feed speed 7 m / min -table milling machine - useful length spindle 100 mm max. tenon tool Ø 275 mm max. tool-Ø 210 mm spindle speed 3.500 / 7.000 / 10.000 rpm spindle-Ø 30 mm - general - motor power 400 V / 50 Hz, 3 x 5,0 kW (6,6 PS) Suction nozzle-Ø 4 x 120 mm suction nozzle-Ø saw blade protection 60 mm - Special offer price - Location: ex stock 54634 Bitburg

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2540x2900x850 mm Gjdpfx Aovz E Ikob Uekf Weight 1200 kg Total power requirement 5,5 kw

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 3000x2900x850 mm Weight 1280 kg Total power requirement 5,5 kw Gedpevz E Ecefx Ab Uokf