[{"data":1,"prerenderedAt":364},["ShallowReactive",2],{"spiralflights:\u002Fproducts\u002Fscrew-flight\u002Fshaftless-auger-flight-assembly":3,"spiralflights:product-catalogue":175},{"id":4,"title":5,"applications":6,"body":10,"canonicalPath":95,"category":96,"coverImage":96,"date":96,"description":97,"dimensionTable":96,"extension":98,"eyebrow":99,"faq":100,"featuredProductPaths":96,"featuredProductsEnabled":113,"finalCta":96,"gallery":114,"h1":5,"hero":96,"heroImage":139,"homeFaq":96,"indexable":142,"intro":96,"keywords":143,"locale":96,"manuals":96,"meta":148,"metaTitle":96,"navigation":142,"pageId":149,"pageType":150,"path":151,"process":96,"productFamily":99,"schemaType":152,"seo":153,"solutions":96,"specifications":154,"status":170,"stem":171,"summary":172,"translationKey":96,"updatedAt":173,"videoSection":96,"youtubeVideos":96,"__hash__":174},"pages\u002Fproducts\u002Fscrew-flight\u002Fshaftless-auger-flight-assembly.md","Shaftless Auger Flight Assembly",[7,8,9],"Replacement shaftless screw sections","Open-centre conveying assemblies","Drawing-based conveyor screw projects",{"type":11,"value":12,"toc":86},"minimark",[13,18,22,26,29,33,36,40,54,58],[14,15,17],"h2",{"id":16},"what-it-is","What it is",[19,20,21],"p",{},"A shaftless auger flight assembly is an open-centre helix supplied as a finished or partly finished screw section. It does not use a continuous pipe through the centre of the flight. That construction makes the assembly, its joints and its end interfaces part of the product definition.",[14,23,25],{"id":24},"geometry-review","Geometry review",[19,27,28],{},"The flight profile alone is not enough for quotation. The drawing should state outside diameter, inside opening, pitch, section width and thickness, hand and overall length. If diameter or pitch changes, provide a schedule showing where each change begins and ends.",[14,30,32],{"id":31},"assembly-and-connection-details","Assembly and connection details",[19,34,35],{},"Identify whether the order is for individual straight sections or a joined assembly. Show joint positions, end plates, drive stubs, support points and any orientation marks needed during installation. The final scope is confirmed from the approved assembly drawing.",[14,37,39],{"id":38},"when-to-choose-this-option","When to choose this option",[19,41,42,43,48,49,53],{},"Choose a shaftless assembly when the conveyor or process design specifically requires an open centre. If the flight will be welded to a tube or solid shaft, use a ",[44,45,47],"a",{"href":46},"\u002Fproducts\u002Fscrew-flight\u002Fshafted-auger-assembly\u002F","shafted auger assembly"," instead. For loose single-pitch segments, review the ",[44,50,52],{"href":51},"\u002Fproducts\u002Fscrew-flight\u002Fsectional-spiral-blade\u002F","sectional spiral blade",".",[14,55,57],{"id":56},"quote-checklist","Quote checklist",[59,60,61,65,68,71,74,77,80,83],"ul",{},[62,63,64],"li",{},"Outside diameter, inside opening, pitch and hand",[62,66,67],{},"Flight section width, thickness and profile",[62,69,70],{},"Material grade and operating environment",[62,72,73],{},"Overall length and number of sections",[62,75,76],{},"Joint positions and joining requirements",[62,78,79],{},"Drive, support and end-interface drawings",[62,81,82],{},"Quantity and required supply condition",[62,84,85],{},"Photos or measurements from the existing installation",{"title":87,"searchDepth":88,"depth":88,"links":89},"",2,[90,91,92,93,94],{"id":16,"depth":88,"text":17},{"id":24,"depth":88,"text":25},{"id":31,"depth":88,"text":32},{"id":38,"depth":88,"text":39},{"id":56,"depth":88,"text":57},"\u002Fproducts\u002Fscrew-flight\u002Fshaftless-auger-flight-assembly\u002F",null,"Open-centre shaftless auger flight assemblies made to a confirmed helix, overall length and connection drawing.","md","Screw flight",[101,104,107,110],{"question":102,"answer":103},"What makes this different from loose screw flighting?","The quotation covers an open-centre helical assembly rather than only a loose flight profile. Overall length, joints and end connections therefore need to be defined.",{"question":105,"answer":106},"Which dimensions are required?","Provide outside diameter, inside opening, pitch, section width and thickness, hand, overall length and any change in geometry along the assembly.",{"question":108,"answer":109},"Can an existing shaftless screw be replaced from a sample?","A sample and photographs are useful, but a dimensioned drawing is still recommended so pitch, end interfaces and installed length can be checked before production.",{"question":111,"answer":112},"How should the end connection be specified?","Show the drive or support interface, connection plate or stub details, hole pattern, weld preparation and the datum used to control total length.",false,[115,118,121,124,127,130,133,136],{"src":116,"alt":117},"\u002Fassets\u002Fproducts\u002Fshaftless-auger-flight-assembly-detail.webp","Shaftless auger flight assembly with drawing-defined end interface",{"src":119,"alt":120},"\u002Fassets\u002Fproducts\u002Fshaftless-auger-flight-assembly-gallery-2.webp","Open-centre shaftless screw assemblies arranged for inspection",{"src":122,"alt":123},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124256.webp","Custom auger screw assemblies with welded helical flights for drilling applications",{"src":125,"alt":126},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124349.webp","Industrial auger screw assemblies manufactured with continuous spiral flights and shafts",{"src":128,"alt":129},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124432.webp","Heavy-duty helical auger assemblies with custom welded screw flights",{"src":131,"alt":132},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124454.webp","Custom fabricated auger screws with precision formed spiral flights for soil drilling",{"src":134,"alt":135},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124417.webp","Multiple auger screw assemblies with integrated shafts and helical flight sections",{"src":137,"alt":138},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshaftless-auger-flight-assembly\u002Fimg_20190319_124411.webp","Ground screw auger assemblies with welded spiral blades for foundation installation",{"src":140,"alt":141},"\u002Fassets\u002Fproducts\u002Fshaftless-auger-flight-assembly.webp","Open-centre shaftless auger flight assemblies in the workshop",true,[144,145,146,147],"shaftless auger flight","shaftless screw flight","shaftless auger assembly","open centre screw",{},"P-SF-06","product","\u002Fproducts\u002Fscrew-flight\u002Fshaftless-auger-flight-assembly","Product",{"title":5,"description":97},[155,158,161,164,167],{"label":156,"value":157},"Helix geometry","Confirm outside diameter, inside opening, pitch, section profile and hand",{"label":159,"value":160},"Assembly definition","Confirm overall length, number of pitches, joints and end interfaces",{"label":162,"value":163},"Construction","Open-centre flight assembly without a continuous centre tube",{"label":165,"value":166},"Material","Specify the required grade and operating environment for review",{"label":168,"value":169},"Supply condition","Straight sections, joined assemblies or drawing-defined end preparation","published","products\u002Fscrew-flight\u002Fshaftless-auger-flight-assembly","A self-supporting open-centre helix for projects where the finished screw is specified without a continuous centre pipe.","2026-07-24","a3tUnNrH4SM7PJ09QBFELPQDaEtaEeQY6kNJ2AVOQfo",[176,183,190,197,204,210,217,223,225,232,239,246,253,261,268,275,281,287,293,299,306,313,320,327,334,342,349,357],{"category":99,"title":177,"description":178,"image":179,"to":182},"Square-Bar Flexible Auger","A flexible auger made from a square-section profile, with the bar section, coil geometry and installed tube route reviewed as one system.",{"src":180,"alt":181},"\u002Fassets\u002Fproducts\u002Fsquare-bar-flexible-auger.webp","Square-bar flexible auger coils","\u002Fproducts\u002Fflexible-auger-and-forming-machine\u002Fsquare-bar-flexible-auger\u002F",{"category":99,"title":184,"description":185,"image":186,"to":189},"Cold-Rolled Continuous Screw Flight","Cold-formed strip flighting for applications that need continuous, seamless geometry and controlled pitch, diameter and thickness.",{"src":187,"alt":188},"\u002Fassets\u002Fproducts\u002Fcontinuous-cold-rolled-screw-flight.webp","Cold-rolled continuous screw flights in the workshop","\u002Fproducts\u002Fscrew-flight\u002Fcold-rolled-continuous-screw-flight\u002F",{"category":99,"title":191,"description":192,"image":193,"to":196},"Continuous Constant-Thickness Auger Flight","A continuous mould-winding route for multi-pitch flights where material utilization and consistent wall thickness are priorities.",{"src":194,"alt":195},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fcontinuous-constant-thickness-auger-flight\u002Fimg_20190319_124340.webp","Continuous constant-thickness auger flight","\u002Fproducts\u002Fscrew-flight\u002Fcontinuous-constant-thickness-auger-flight\u002F",{"category":99,"title":198,"description":199,"image":200,"to":203},"Rounded-Edge Spiral Flight","A helical flight whose rounded edge is part of the specified section, requiring profile dimensions as well as the normal helix geometry.",{"src":201,"alt":202},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Frounded-edge-spiral-flight\u002F3-card.webp","Rounded-edge spiral flight sections","\u002Fproducts\u002Fscrew-flight\u002Frounded-edge-spiral-flight\u002F",{"category":99,"title":205,"description":206,"image":207,"to":51},"Sectional Spiral Blade","Single-pitch, equal-thickness helical segments for large diameter, thick plate, wear-resistant or stainless steel flight assemblies.",{"src":208,"alt":209},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fsectional-spiral-blade\u002Fimg_20190118_145344-card.webp","Sectional spiral blade segments",{"category":99,"title":211,"description":212,"image":213,"to":216},"Serrated Sectional Flight","A single-pitch helical segment with a toothed outside edge, made only after the tooth form, helix and assembly duty are defined.",{"src":214,"alt":215},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fserrated-sectional-flight\u002F7.jpg","Serrated sectional flight with toothed outer edge","\u002Fproducts\u002Fscrew-flight\u002Fserrated-sectional-flight\u002F",{"category":99,"title":218,"description":219,"image":220,"to":46},"Shafted Auger Assembly","A complete screw component in which the selected flighting is positioned and joined to a centre tube or shaft with drawing-defined ends.",{"src":221,"alt":222},"\u002Fassets\u002Fproducts\u002Fshafted-auger-assembly.webp","Shafted auger assemblies prepared in the workshop",{"category":99,"title":5,"description":172,"image":224,"to":95},{"src":140,"alt":141},{"category":99,"title":226,"description":227,"image":228,"to":231},"Twin-Screw Mixing Flight Set","A coordinated pair of helical flights specified as one working set where hand, pitch, phase and clearance must be checked together.",{"src":229,"alt":230},"\u002Fassets\u002Fproducts\u002Fcontinuous-constant-thickness-auger-flight.webp","Matched screw flights for a twin-screw mixing arrangement","\u002Fproducts\u002Fscrew-flight\u002Ftwin-screw-mixing-flight-set\u002F",{"category":99,"title":233,"description":234,"image":235,"to":238},"Twisted Tape Turbulator","A helical tape insert that promotes tube-side swirling and mixing to improve heat transfer in tubular equipment.",{"src":236,"alt":237},"\u002Fassets\u002Fproducts\u002Ftwisted-tape-turbulator.webp","Twisted tape turbulator insert","\u002Fproducts\u002Fscrew-flight\u002Ftwisted-tape-turbulator\u002F",{"category":99,"title":240,"description":241,"image":242,"to":245},"Variable-Pitch Screw Flight","Flighting in which the axial pitch changes along the screw according to an approved schedule rather than remaining constant from end to end.",{"src":243,"alt":244},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fvariable-pitch-screw-flight\u002Fi07_h9bfc65818e624ddbb3cbe6e0194e72aep.jpg_960x960q80.jpg","Variable-pitch screw flights bundled for shipment","\u002Fproducts\u002Fscrew-flight\u002Fvariable-pitch-screw-flight\u002F",{"category":99,"title":247,"description":248,"image":249,"to":252},"Vertical Auger Beater","Heavy-duty vertical auger and related drive components for breaking and distributing livestock manure and organic fertilizer.",{"src":250,"alt":251},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fshafted-auger-assembly\u002F18.webp","Vertical auger beater for a manure spreader","\u002Fproducts\u002Fscrew-flight\u002Fvertical-auger-beater\u002F",{"category":254,"title":255,"description":256,"image":257,"to":260},"Forming machinery","Continuous Screw Flight Cold Rolling Machine","A model-selection page for workshops planning continuous cold-rolled flight production across different strip widths, thicknesses and output targets.",{"src":258,"alt":259},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fcontinuous-screw-flight-cold-rolling-machine\u002Fimg_20150530_093735.webp","Continuous screw flight cold rolling machine model range","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fcontinuous-screw-flight-cold-rolling-machine\u002F",{"category":254,"title":262,"description":263,"image":264,"to":267},"Continuous Screw Flight Winding Machine","Compare HW series mould-winding machines by strip thickness, pitch, outside diameter and maximum strip width.",{"src":265,"alt":266},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fcontinuous-screw-flight-winding-machine\u002F_20260912101644_401_4491-web-card.webp","Continuous screw flight winding machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fcontinuous-screw-flight-winding-machine\u002F",{"category":254,"title":269,"description":270,"image":271,"to":274},"HP100 Sectional Flight Forming Machine","The HP100 catalogue configuration uses a 20-ton hydraulic cylinder and a 3 kW motor for sectional flight forming.",{"src":272,"alt":273},"\u002Fassets\u002Fproducts\u002Fyj100-sectional-flight-forming-machine.webp","Hydraulic sectional flight forming machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhp100-sectional-flight-forming-machine\u002F",{"category":254,"title":276,"description":277,"image":278,"to":280},"HP140 Sectional Flight Forming Machine","The HP140 catalogue configuration uses a 30-ton hydraulic cylinder and a 4 kW motor.",{"src":279,"alt":273},"\u002Fassets\u002Fproducts\u002Fyj140-sectional-flight-forming-machine.webp","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhp140-sectional-flight-forming-machine\u002F",{"category":254,"title":282,"description":283,"image":284,"to":286},"HP150 Sectional Flight Forming Machine","The HP150 catalogue configuration lists a 700 mm maximum OD, 900 mm maximum pitch and 30-ton hydraulic cylinder.",{"src":285,"alt":273},"\u002Fassets\u002Fproducts\u002Fyj150-sectional-flight-forming-machine.webp","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhp150-sectional-flight-forming-machine\u002F",{"category":254,"title":288,"description":289,"image":290,"to":292},"HP180 Sectional Flight Forming Machine","The HP180 catalogue configuration combines a 60-ton hydraulic cylinder with a 5.5 kW motor.",{"src":291,"alt":273},"\u002Fassets\u002Fproducts\u002Fyj180-sectional-flight-forming-machine.webp","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhp180-sectional-flight-forming-machine\u002F",{"category":254,"title":294,"description":295,"image":296,"to":298},"HP850B Sectional Flight Forming Machine","The HP850B catalogue row lists a customized machine size, 8.7 t weight and 18.5 kW motor.",{"src":297,"alt":273},"\u002Fassets\u002Fproducts\u002Fyj850b-sectional-flight-forming-machine.webp","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhp850b-sectional-flight-forming-machine\u002F",{"category":254,"title":300,"description":301,"image":302,"to":305},"HS1306M Cold Rolling Machine","A continuous screw flight rolling machine for medium strip widths and continuous flight production.",{"src":303,"alt":304},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fcontinuous-screw-flight-cold-rolling-machine\u002F30-card.webp","HS1306M screw flight cold rolling machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhs1306m-cold-rolling-machine\u002F",{"category":254,"title":307,"description":308,"image":309,"to":312},"HS1508L Cold Rolling Machine","A higher-capacity machine configuration for wider strip, larger flight diameters and increased throughput.",{"src":310,"alt":311},"\u002Fassets\u002Fcold-rolling-machine.webp","HS1508L screw flight cold rolling machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhs1508l-cold-rolling-machine\u002F",{"category":254,"title":314,"description":315,"image":316,"to":319},"HS604S Cold Rolling Machine","A compact continuous cold-rolling option for narrower strip and smaller flight ranges.",{"src":317,"alt":318},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fgx60-4s-cold-rolling-machine\u002F52.webp","HS604S screw flight cold rolling machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhs604s-cold-rolling-machine\u002F",{"category":254,"title":321,"description":322,"image":323,"to":326},"HS800S Hydraulic Pressing Machine","A hydraulic forming route for sectional spiral blades where larger dimensions, thicker plate or difficult materials need individual control.",{"src":324,"alt":325},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fgx800s-hydraulic-pressing-machine\u002F66.webp","HS800S hydraulic pressing machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fhs800s-hydraulic-pressing-machine\u002F",{"category":254,"title":328,"description":329,"image":330,"to":333},"Sectional Flight Forming Machine Range","Compare five HP hydraulic pressing machine configurations for individual sectional spiral blade blanks.",{"src":331,"alt":332},"\u002Fassets\u002Fproducts\u002Fsmall-sectional-flight-forming-machine.webp","Small sectional flight hydraulic forming machine","\u002Fproducts\u002Fscrew-flight-forming-machine\u002Fsmall-sectional-flight-forming-machine\u002F",{"category":335,"title":336,"description":337,"image":338,"to":341},"Ground screw equipment","Pipe Tapering Machine and Furnace","A hydraulic tapering process coordinated with induction heating to prepare a steel pipe end for the next ground screw production step.",{"src":339,"alt":340},"\u002Fimages\u002Fspiralflights\u002Fproducts\u002Fpipe-tapering-machine-and-furnace\u002F81.webp","Pipe tapering machine and induction heating furnace","\u002Fproducts\u002Fground-screw-production-machinery\u002Fpipe-tapering-machine-and-furnace\u002F",{"category":335,"title":343,"description":344,"image":345,"to":348},"Spiral Forming and Welding Machine","A coordinated machine for winding a spiral directly on pipe and welding during the same forming step.",{"src":346,"alt":347},"\u002Fassets\u002Fspiral-welding-process.webp","Spiral forming and welding machine for ground screw production","\u002Fproducts\u002Fground-screw-production-machinery\u002Fspiral-forming-welding-machine\u002F",{"category":350,"title":351,"description":352,"image":353,"to":356},"Flexible auger systems","Flexible Auger Forming Machine","A roller-based machine route for producing flexible auger coils, planned with the incoming profile, target coil and required line components.",{"src":354,"alt":355},"\u002Fassets\u002Fproducts\u002Fflexible-auger-forming-machine.webp","Flexible auger forming machine with multiple roller stations","\u002Fproducts\u002Fflexible-auger-and-forming-machine\u002Fflexible-auger-forming-machine\u002F",{"category":350,"title":358,"description":359,"image":360,"to":363},"Flexible Auger","Flexible spring-steel auger for moving feed, grain, plastics and similar small particulate materials through a tube-based route.",{"src":361,"alt":362},"\u002Fassets\u002Fproducts\u002Fflexible-auger.webp","Flexible auger for automatic feed systems","\u002Fproducts\u002Fflexible-auger-and-forming-machine\u002Fflexible-auger\u002F",1789879883521]