{"product_id":"1-modulus-brass-worm-wheel-gear-15-60t-pitch-3-14mm","title":"1 Modulus 15-60T Brass Worm Wheel Gear Pitch 3.14mm Transmission Gear,Worm Rod","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eBrass Worm Wheel Gear \u0026amp; Worm Rod — 1 Modulus, 15–60T, Pitch 3.14 mm\u003c\/h2\u003e\n    \u003cp\u003eEngineers and makers working on compact drive systems often struggle to find worm gear sets that combine precise tooth geometry with reliable material durability. This 1-modulus brass worm wheel gear and matching worm rod set is designed for hobbyists, robotics builders, and small-batch automation designers who need accurate, low-backlash motion transmission in a compact form factor.\u003c\/p\u003e\n    \u003cp\u003eThe worm wheel is machined from brass, offering good wear resistance and natural lubricity against a steel worm rod. The gear set follows a 1-modulus standard with a pitch of 3.14 mm (≈ 0.124 in). Tooth counts range from 15 T to 60 T for the wheel, with bore diameters available from 5 mm to 12 mm (≈ 0.197 in to 0.472 in). The worm rod is offered in B-Type and L-Type configurations with bore options from 5 mm to 10 mm.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include DIY pan-tilt camera rigs requiring self-locking worm drives, tabletop CNC and 3D printer axis drives needing compact gear reduction, and small robotic arm joints where a 1-modulus worm gear set provides the torque multiplication needed for precise positioning.\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 1-modulus worm drive systems. Worm wheel pairs with the matching B-Type or L-Type worm rod listed in the variant selector. Bore diameter must match your shaft size — see variant options above.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These Brass Worm Wheel Gears\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-list\"\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cstrong\u003eBrass Wheel Construction\u003c\/strong\u003e\n        \u003cp\u003eThe worm wheel is machined from brass, providing natural lubricity, corrosion resistance in typical indoor environments, and long service life when paired with a steel worm rod.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n        \u003cstrong\u003e1 Modulus Standard, Pitch 3.14 mm\u003c\/strong\u003e\n        \u003cp\u003eFollows the 1-modulus gear standard with a circular pitch of 3.14 mm (≈ 0.124 in), ensuring interchangeability with other 1-modulus worm drive components in your build.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\n        \u003cstrong\u003eWide Tooth Count Range (15 T – 60 T)\u003c\/strong\u003e\n        \u003cp\u003eAvailable in 15, 20, 25, 30, 35, 40, 50, and 60-tooth configurations, allowing you to select the gear ratio that matches your torque and speed requirements.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cstrong\u003eMultiple Bore Diameter Options\u003c\/strong\u003e\n        \u003cp\u003eBore sizes from 5 mm to 12 mm (0.197 in – 0.472 in) accommodate a wide range of motor and shaft diameters common in robotics and automation projects.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\n        \u003cstrong\u003eMatched Worm Rod Variants\u003c\/strong\u003e\n        \u003cp\u003eB-Type and L-Type worm rods are available as variant options, allowing you to purchase a complete worm gear set — wheel and rod — in a single order.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n        \u003cstrong\u003eSelf-Locking Drive Geometry\u003c\/strong\u003e\n        \u003cp\u003eThe worm gear geometry provides inherent self-locking behavior at typical lead angles, making it suitable for applications where back-driving prevention is needed without additional braking hardware.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — Brass Worm Wheel Gear Set\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eGear Type\u003c\/th\u003e\n\u003ctd\u003eWorm Wheel Gear \u0026amp; Worm Rod\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eModule (Modulus)\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCircular Pitch\u003c\/th\u003e\n\u003ctd\u003e3.14 mm (≈ 0.124 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTooth Count (Wheel)\u003c\/th\u003e\n\u003ctd\u003e15 T \/ 20 T \/ 25 T \/ 30 T \/ 35 T \/ 40 T \/ 50 T \/ 60 T\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorm Rod Type\u003c\/th\u003e\n\u003ctd\u003eB-Type \/ L-Type\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWheel Material\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBore Diameter (Wheel)\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\u003eBore Diameter (Worm Rod)\u003c\/th\u003e\n\u003ctd\u003e5 mm \/ 6 mm \/ 8 mm \/ 10 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOuter Diameter (Wheel)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFace Width\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° (standard for 1-modulus worm gears)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pc\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 for my application?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe tooth count of the worm wheel determines the gear ratio when paired with a single-start worm rod. For example, a 30-tooth wheel with a 1-start worm gives a 30:1 reduction ratio. Choose a higher tooth count for more torque and lower output speed, or a lower tooth count for faster output with less torque multiplication. Match your selection to your motor speed and required output torque.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat bore diameter should I select?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSelect the bore diameter that matches your motor shaft or drive shaft diameter. Available bore sizes for the worm wheel are 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm. For the worm rod, bore options are 5 mm, 6 mm, 8 mm, and 10 mm. If your shaft is metric, measure it directly with calipers before ordering. A bore that is too large will require a set screw or keyway adapter.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs the worm drive self-locking?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes, at typical lead angles for a 1-modulus single-start worm, the drive is inherently self-locking — meaning the output shaft cannot back-drive the worm rod under static load. This makes it suitable for applications like camera pan-tilt heads, lifting mechanisms, and positioning stages where holding position without power is required. Note that self-locking behavior can be reduced at very high speeds or with lubrication that significantly lowers friction.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between B-Type and L-Type worm rods?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eB-Type worm rods have a shorter overall length and are suited for compact drive assemblies where axial space is limited. L-Type worm rods are longer, providing more engagement length and are better suited for applications requiring higher load capacity or where the rod must span a wider housing. Check your housing dimensions before selecting a rod type.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs brass a suitable material for my load requirements?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBrass worm wheels are well-suited for light to moderate loads in robotics, automation, and DIY applications. Brass offers good machinability, natural lubricity against steel worm rods, and adequate corrosion resistance in typical indoor environments. For heavy industrial loads or continuous high-torque operation, consider consulting a mechanical engineer to verify the gear's rated load capacity against your application requirements.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes this gear set require lubrication?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor best performance and longevity, applying a light gear grease or worm gear oil to the mesh contact area is recommended, especially under continuous or high-cycle operation. Brass-on-steel worm drives have some inherent lubricity, but lubrication reduces heat buildup and wear at the tooth contact zone. For intermittent or low-speed DIY use, dry operation is possible but will reduce service life over time.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use this gear with other 1-modulus components?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. This gear set follows the 1-modulus standard, which means the worm wheel is dimensionally compatible with other 1-modulus worm rods and drive components that share the same pitch (3.14 mm) and pressure angle (20°). Always verify the module, pitch, and pressure angle of any mating component before assembly to ensure proper mesh and load sharing.\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 tooth count, bore diameter, and amount 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 for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The tooth count of the worm wheel determines the gear ratio when paired with a single-start worm rod. For example, a 30-tooth wheel with a 1-start worm gives a 30:1 reduction ratio. Choose a higher tooth count for more torque and lower output speed, or a lower tooth count for faster output with less torque multiplication.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What bore diameter should I select?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Select the bore diameter that matches your motor shaft or drive shaft diameter. Available bore sizes for the worm wheel are 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm. For the worm rod, bore options are 5 mm, 6 mm, 8 mm, and 10 mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the worm drive self-locking?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, at typical lead angles for a 1-modulus single-start worm, the drive is inherently self-locking — meaning the output shaft cannot back-drive the worm rod under static load.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between B-Type and L-Type worm rods?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"B-Type worm rods are shorter and suited for compact assemblies. L-Type worm rods are longer, providing more engagement length for higher load capacity or wider housings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is brass a suitable material for my load requirements?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass worm wheels are well-suited for light to moderate loads in robotics, automation, and DIY applications. They offer good machinability, natural lubricity against steel worm rods, and adequate corrosion resistance in typical indoor environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does this gear set require lubrication?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For best performance and longevity, applying a light gear grease or worm gear oil to the mesh contact area is recommended, especially under continuous or high-cycle operation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use this gear with other 1-modulus components?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. This gear set follows the 1-modulus standard and is dimensionally compatible with other 1-modulus worm rods and drive components sharing the same pitch (3.14 mm) and pressure angle (20°).\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"1 Modulus 15Tooth \/ 5mm \/ 1pcs","offer_id":52443702591762,"sku":"FXLJGJXCD2095x1","price":7.6,"currency_code":"USD","in_stock":true},{"title":"1 Modulus 15Tooth \/ 6mm \/ 1pcs","offer_id":52443702624530,"sku":"FXLJGJXCD2096x1","price":7.6,"currency_code":"USD","in_stock":true},{"title":"1 Modulus 15Tooth \/ 8mm \/ 1pcs","offer_id":52443702657298,"sku":"FXLJGJXCD2097x1","price":7.47,"currency_code":"USD","in_stock":true},{"title":"1 Modulus 20Tooth \/ 6mm \/ 1pcs","offer_id":52443702690066,"sku":"FXLJGJXCD2098x1","price":8.42,"currency_code":"USD","in_stock":true},{"title":"1 Modulus 20Tooth \/ 8mm \/ 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