{"product_id":"0-8-module-worm-gear-set-brass-worm-wheel-stainless-worm-rod","title":"0.8 Module 1:20-60 Reduction Ratio Gear Copper Worm Wheel Gear \u0026 Worm Gear Shaft","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e0.8 Module Worm Gear Set — Precise Reduction Drive for Robotics \u0026amp; Automation\u003c\/h2\u003e\n    \u003cp\u003eWhen your project demands a compact, high-reduction drive that fits tight spaces without sacrificing torque, a mismatched or low-tolerance worm gear set becomes the weakest link in your build. Engineers, robotics hobbyists, and small-batch manufacturers who need reliable 1:20–1:60 reduction ratios in a single mesh will find this 0.8 module worm gear set a dependable solution.\u003c\/p\u003e\n    \u003cp\u003eThis set pairs a brass worm wheel gear with a stainless steel worm rod (A-Type, B-Type, or L-Type), all machined to 0.8 module (metric). Worm wheels are available in 20T, 25T, 30T, 35T, 40T, 50T, and 60T tooth counts, with bore diameters ranging from 5 mm (~0.197 in) to 12 mm (~0.472 in). Worm rods are offered with 5 mm, 6 mm, and 8 mm shaft bores, or without a bore hole (L-Type).\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include DIY pan-tilt camera rigs requiring smooth, self-locking rotation; small robotic arm joints where a compact worm gear reduction drive eliminates backlash; and light-duty conveyor or indexing table builds where a brass worm wheel and stainless worm shaft combination resists wear over extended cycles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for 0.8 module (metric) worm gear systems. Worm wheel and worm rod must share the same module (0.8M) and lead angle for correct mesh. Verify bore diameter matches your shaft before ordering.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These 0.8 Module Worm Gear Sets\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eBrass Worm Wheel, 7 Tooth Counts\u003c\/strong\u003e — Worm wheels available in 20T, 25T, 30T, 35T, 40T, 50T, and 60T, covering reduction ratios from 1:20 to 1:60 in a single compact mesh.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eStainless Steel Worm Rods\u003c\/strong\u003e — A-Type, B-Type, and L-Type worm rods machined from stainless steel for corrosion resistance and long service life in humid or outdoor-adjacent environments.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003e0.8 Module Metric Standard\u003c\/strong\u003e — Machined to 0.8M metric module for consistent tooth profile and reliable mesh with any standard 0.8 module mating component.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003eMultiple Bore Options\u003c\/strong\u003e — Worm wheels offered in 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm bore diameters; worm rods in 5 mm, 6 mm, 8 mm, or without hole — covering a wide range of motor and shaft sizes.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eSelf-Locking Drive Geometry\u003c\/strong\u003e — The worm gear geometry provides inherent self-locking at low lead angles, preventing back-driving under load — useful for positioning and holding applications.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e\u003cstrong\u003eSuitable for Robotics, Automation \u0026amp; DIY Builds\u003c\/strong\u003e — Sized for small-format drive systems including robotic joints, pan-tilt mechanisms, indexing tables, and light-duty conveyor drives.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — 0.8 Module Worm Gear Set\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eModule\u003c\/th\u003e\n\u003ctd\u003e0.8M (metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Wheel Material\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Rod Material\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Wheel Tooth Counts\u003c\/th\u003e\n\u003ctd\u003e20T, 25T, 30T, 35T, 40T, 50T, 60T\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eReduction Ratio Range\u003c\/th\u003e\n\u003ctd\u003e1:20 – 1:60\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Wheel Bore Diameter\u003c\/th\u003e\n\u003ctd\u003e5 mm \/ 6 mm \/ 8 mm \/ 10 mm \/ 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Rod Type\u003c\/th\u003e\n\u003ctd\u003eA-Type, B-Type, L-Type (with or without bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Rod Bore Diameter\u003c\/th\u003e\n\u003ctd\u003e5 mm \/ 6 mm \/ 8 mm \/ Without hole\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Wheel Outer Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Wheel Face Width\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Rod Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Angle\u003c\/th\u003e\n\u003ctd\u003e20°\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece (gear or rod, per selection)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural brass (wheel) \/ Brushed stainless (rod)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right tooth count (20T, 25T, 30T…) for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe tooth count of the worm wheel equals the reduction ratio when paired with a single-start worm rod. A 20T wheel gives a 1:20 reduction, a 40T wheel gives 1:40, and so on. Choose a higher tooth count for more torque and slower output speed; choose a lower tooth count for faster output with less torque multiplication.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I buy just the worm wheel or just the worm rod separately?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The variant selector lets you choose the worm wheel (brass, 20T–60T) or the worm rod (stainless steel, A-Type \/ B-Type \/ L-Type) independently. You can purchase either component on its own or combine them in a single order.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between A-Type, B-Type, and L-Type worm rods?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA-Type and B-Type worm rods differ in their shaft end geometry — A-Type typically has a plain shaft end while B-Type may include a keyway or stepped profile for easier coupling. L-Type is a longer rod variant offered without a bore hole, suitable for custom machining or through-shaft applications. Check the product images for dimensional details of each type.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these worm gears self-locking? Will the load back-drive the motor?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt the 0.8 module and typical lead angles used in this series, the worm gear geometry provides inherent self-locking behavior under static load — meaning the output shaft cannot back-drive the worm rod when the motor is unpowered. This makes them well-suited for positioning, holding, and lifting applications where you do not want the load to creep.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I match the bore diameter to my motor shaft?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure your motor or drive shaft diameter with a caliper. Select the bore option that matches: 5 mm, 6 mm, 8 mm, 10 mm, or 12 mm for worm wheels; 5 mm, 6 mm, or 8 mm for worm rods. If your shaft is slightly undersized, a set screw or locking collar can compensate. Do not select a bore smaller than your shaft diameter.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre the brass worm wheels corrosion-resistant for outdoor or humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBrass offers moderate corrosion resistance and performs well in indoor and lightly humid environments. For more demanding outdoor or wet conditions, the stainless steel worm rods provide better corrosion resistance. If the worm wheel will be exposed to moisture long-term, consider applying a light gear lubricant to extend service life.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat lubricant should I use with these worm gears?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA light gear oil or white lithium grease applied to the worm thread and wheel teeth is recommended for smooth operation and reduced wear. Avoid dry running, especially under load, as brass-on-steel contact without lubrication will accelerate wear on the wheel teeth.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these compatible with other 0.8 module gears from different brands?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes, provided the mating component is also machined to 0.8 module metric standard with a matching pressure angle (20°). Module is a standardized metric specification, so any correctly manufactured 0.8M worm gear component should mesh correctly with these parts.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your Type, Bore, and Material above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right tooth count (20T, 25T, 30T…) for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The tooth count of the worm wheel equals the reduction ratio when paired with a single-start worm rod. A 20T wheel gives a 1:20 reduction, a 40T wheel gives 1:40, and so on. Choose a higher tooth count for more torque and slower output speed; choose a lower tooth count for faster output with less torque multiplication.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy just the worm wheel or just the worm rod separately?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The variant selector lets you choose the worm wheel (brass, 20T–60T) or the worm rod (stainless steel, A-Type \/ B-Type \/ L-Type) independently. You can purchase either component on its own or combine them in a single order.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between A-Type, B-Type, and L-Type worm rods?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A-Type and B-Type worm rods differ in their shaft end geometry. L-Type is a longer rod variant offered without a bore hole, suitable for custom machining or through-shaft applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these worm gears self-locking? Will the load back-drive the motor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At the 0.8 module and typical lead angles used in this series, the worm gear geometry provides inherent self-locking behavior under static load, making them well-suited for positioning, holding, and lifting applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I match the bore diameter to my motor shaft?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure your motor or drive shaft diameter with a caliper. Select the bore option that matches: 5 mm, 6 mm, 8 mm, 10 mm, or 12 mm for worm wheels; 5 mm, 6 mm, or 8 mm for worm rods.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the brass worm wheels corrosion-resistant for outdoor or humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass offers moderate corrosion resistance and performs well in indoor and lightly humid environments. For more demanding outdoor or wet conditions, the stainless steel worm rods provide better corrosion resistance.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What lubricant should I use with these worm gears?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A light gear oil or white lithium grease applied to the worm thread and wheel teeth is recommended for smooth operation and reduced wear.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these compatible with other 0.8 module gears from different brands?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, provided the mating component is also machined to 0.8 module metric standard with a matching pressure angle (20°). Any correctly manufactured 0.8M worm gear component should mesh correctly with these parts.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"Worm Gear 0.8M20T \/ 5mm \/ Brass \u0026 1","offer_id":52443699806482,"sku":"WBJHHZGFSJGG00166x1","price":11.41,"currency_code":"USD","in_stock":true},{"title":"Worm Gear 0.8M20T \/ 6mm \/ Brass \u0026 1","offer_id":52443699839250,"sku":"WBJHHZGFSJGG00167x1","price":11.41,"currency_code":"USD","in_stock":true},{"title":"Worm Gear 0.8M25T \/ 5mm \/ Brass \u0026 1","offer_id":52443699872018,"sku":"WBJHHZGFSJGG00168x1","price":13.53,"currency_code":"USD","in_stock":true},{"title":"Worm Gear 0.8M25T \/ 6mm \/ Brass \u0026 1","offer_id":52443699904786,"sku":"WBJHHZGFSJGG00169x1","price":13.53,"currency_code":"USD","in_stock":true},{"title":"Worm Gear 0.8M25T \/ 8mm \/ Brass \u0026 1","offer_id":52443699937554,"sku":"WBJHHZGFSJGG00170x1","price":13.53,"currency_code":"USD","in_stock":true},{"title":"Worm Gear 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A-Type 0.8M \/ 8mm \/ Stainless steel \u0026 1","offer_id":52443700756754,"sku":"WBJHHZGFSJGG00195x1","price":14.35,"currency_code":"USD","in_stock":true},{"title":"Worm Rod L-Type 0.8M \/ Without hole \/ Stainless steel \u0026 1","offer_id":52443700789522,"sku":"WBJHHZGFSJGG00196x1","price":21.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture3of17_66c0765d-4674-4ede-8bf4-030b449a572d.jpg?v=1783955970","url":"https:\/\/homediyer.com\/products\/0-8-module-worm-gear-set-brass-worm-wheel-stainless-worm-rod","provider":"HomeDIYer","version":"1.0","type":"link"}