{"product_id":"khk-dg0-5-40r1-module-0-5-40-tooth-single-start-right-hand-acetal-worm-wheels","title":"KHK DG0.5-40R1, Module 0.5, 40 Tooth, Single Start, Right Hand, Acetal Worm Wheels","description":"\u003cp\u003e\u003cstrong\u003eKHK DG0.5-40R1 is a small-module polyacetal worm wheel for compact worm-drive mechanisms.\u003c\/strong\u003e It is a module \u003cstrong\u003e0.5\u003c\/strong\u003e, \u003cstrong\u003e40-tooth\u003c\/strong\u003e, \u003cstrong\u003eright-hand\u003c\/strong\u003e wheel with a \u003cstrong\u003e5 mm plain bore\u003c\/strong\u003e, commonly used where a quiet, lightweight reduction stage matters.\u003c\/p\u003e\n\u003ch3\u003eWhy this wheel\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40:1 reduction with a single-start worm:\u003c\/strong\u003e KHK lists this wheel for a 40 reduction ratio when paired with the matching single-start worm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyacetal construction:\u003c\/strong\u003e lighter and quieter than metal worm wheels for low-load motion and extrusion mechanisms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact geometry:\u003c\/strong\u003e 21 mm outside diameter, 5 mm face width, and 12 mm total length for tight assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e KHK \/ KHK USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DG0.5-40R1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e worm wheel, plain bore, shape HA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule:\u003c\/strong\u003e 0.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand:\u003c\/strong\u003e right hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e polyacetal \/ acetal resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch diameter:\u003c\/strong\u003e 20.02 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFace width:\u003c\/strong\u003e 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal length:\u003c\/strong\u003e 12 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure angle:\u003c\/strong\u003e 20°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead \/ helix angle:\u003c\/strong\u003e 2°36'\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklash:\u003c\/strong\u003e 0–0.16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKHK precision grade:\u003c\/strong\u003e W 002 grade 5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and pairing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUsed in compact worm-drive extruder projects including the \u003ca href=\"https:\/\/dfh.fm\/products\/double-folded-ascender-extruder-kit\"\u003eDouble Folded Ascender Extruder Kit\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFor DFA-style gearing, pair it with the matching \u003ca href=\"https:\/\/dfh.fm\/products\/khk-sw0-5-r2-module-0-5-double-lead-right-hand-carbon-steel-worms\"\u003eKHK SW0.5-R2 steel worm\u003c\/a\u003e when your build calls for the double-lead 20:1 configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the worm wheel only, not a full gear pair or extruder kit.\u003c\/li\u003e\n\u003cli\u003eIt has a plain 5 mm bore; verify your shaft retention method before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not substitute a different module or hand unless the mating worm and printed parts are designed for it.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KHK","offers":[{"title":"Default Title","offer_id":43508400062686,"sku":"6013294026","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/DG_lg.jpg?v=1665357341","url":"https:\/\/formosissima.myshopify.com\/products\/khk-dg0-5-40r1-module-0-5-40-tooth-single-start-right-hand-acetal-worm-wheels","provider":"dfh.fm","version":"1.0","type":"link"}