{"product_id":"0-5-mod-brass-spur-gear-32-teeth-bore-4-10mm-pinion-gear","title":"0.5 Mod Brass Spur Gear 32 Teeth Bore 4~10mm Motor Gear Transmission Pinion Gear","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e0.5 Mod Brass Spur Gear 32T — Reliable Pinion Gear for Compact Drive Systems\u003c\/h2\u003e\n    \u003cp\u003eWhen a loose or mismatched pinion gear causes slippage, noise, or premature wear in your build, the fix starts with a correctly specified 0.5 module brass spur gear. Hobbyists, robotics engineers, and small-machine builders who need a dependable 32-tooth transmission gear with a precise bore fit will find this component ready to drop into their drivetrain without modification.\u003c\/p\u003e\n    \u003cp\u003eEach gear is machined from solid brass, offering a balance of machinability, moderate corrosion resistance, and low-friction meshing. The module is 0.5 (metric), tooth count is 32T, and bore options span 4 mm to 10 mm (approximately 0.157 in to 0.394 in), covering the most common motor shaft diameters used in compact drive applications. Overall gear diameter is typically 16–17 mm (~0.63–0.67 in) depending on bore and addendum geometry.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include RC car transmission pinion replacement, servo-driven robotic arm joints requiring a 0.5 mod 32-tooth spur gear, and small CNC or automation gearbox stages where a brass pinion gear with a 4 mm to 10 mm bore is specified. Available in packs of 1, 2, 5, or 10 pieces for prototyping through small-batch production.\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 Meshes with any 0.5 module (Mod 0.5) spur, rack, or pinion gear. Verify your mating gear's module before ordering — module must match for correct meshing.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These 0.5 Mod Brass Spur Gears\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003e32-Tooth Count, 0.5 Module\u003c\/strong\u003e — Standardized metric tooth profile ensures accurate meshing with any Mod 0.5 mating gear or rack in your drivetrain.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003eMultiple Bore Sizes (4–10 mm)\u003c\/strong\u003e — Seven bore options (4, 5, 6, 6.35, 7, 8, 10 mm) accommodate the most common motor and shaft diameters without custom boring.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🟡\u003c\/span\u003e\u003cstrong\u003eSolid Brass Construction\u003c\/strong\u003e — Brass offers good machinability, moderate corrosion resistance, and quieter operation compared to steel in low-to-medium load applications.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order 1, 2, 5, or 10 pieces per SKU to match your project scale, from single-unit prototyping to small production runs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eCompact Pinion Geometry\u003c\/strong\u003e — 32T at 0.5 module yields a compact pitch diameter of approximately 16 mm (0.63 in), suitable for space-constrained gearboxes and motor mounts.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eDrop-In Transmission Replacement\u003c\/strong\u003e — Dimensionally consistent across the range; swap worn pinion gears in RC cars, robotics joints, or automation stages without re-engineering the housing.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — 0.5 Mod Brass Spur Gear\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eModule\u003c\/th\u003e\n\u003ctd\u003e0.5 (Metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTooth Count\u003c\/th\u003e\n\u003ctd\u003e32T\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003e4 \/ 5 \/ 6 \/ 6.35 \/ 7 \/ 8 \/ 10 mm — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePitch Diameter\u003c\/th\u003e\n\u003ctd\u003e~16 mm (~0.63 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Angle\u003c\/th\u003e\n\u003ctd\u003e20° (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural brass (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eGear Type\u003c\/th\u003e\n\u003ctd\u003eSpur (straight tooth)\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\u003eHub \/ Boss\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eKeyway \/ Set Screw\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 5 \/ 10 PCS — See variant options\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 confirm this gear will mesh with my existing gearset?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe critical parameter is the \u003cstrong\u003emodule\u003c\/strong\u003e. This gear is Module 0.5 (metric). Any mating spur gear, rack, or pinion must also be Module 0.5 for correct tooth engagement. Tooth count affects gear ratio, not meshing compatibility — so a 0.5 Mod gear with any tooth count will mesh with this 32T gear as long as the module matches.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich bore size should I choose for my motor shaft?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure your motor or drive shaft diameter with calipers. Available bores are 4, 5, 6, 6.35, 7, 8, and 10 mm. The 6.35 mm bore corresponds to a 1\/4-inch shaft, common in North American hobby motors. Select the bore that matches your shaft — a loose fit will cause runout and noise; a tight fit requires careful pressing or a set screw.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs brass strong enough for my application?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBrass is well-suited for low-to-medium torque applications such as RC car pinions, servo-driven joints, and light automation stages. It offers quieter operation and easier machining than steel. For high-torque or high-RPM industrial drives, a steel or hardened alloy gear may be more appropriate. If you are unsure about load requirements, contact us to confirm suitability.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this gear corrode if used in a humid or outdoor environment?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBrass has moderate natural corrosion resistance and performs well in typical indoor and light outdoor conditions. It is not recommended for continuous immersion in water or highly corrosive chemical environments. For marine or wet-environment applications, 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\u003eCan I use this as a replacement pinion gear in an RC car?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — this is one of the most common use cases. Verify that your RC car's spur gear is Module 0.5 and that the motor pinion shaft diameter matches one of the available bore sizes (4–10 mm). The 32-tooth count will determine your final drive ratio in combination with your spur gear tooth count.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhy should I order a multi-pack instead of a single piece?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003ePinion gears are wear items, especially in high-cycle applications like RC racing or repetitive robotic movements. Ordering a 5- or 10-pack ensures you have spares on hand for quick replacement without waiting for reshipment. Multi-packs also offer a lower per-unit cost compared to single-piece orders.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes the gear come with a set screw or keyway for shaft retention?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSet screw and keyway availability varies by variant. Please check the variant detail or contact us to confirm the shaft retention method for your selected bore size before ordering.\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 bore size and pack quantity 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 confirm this gear will mesh with my existing gearset?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The critical parameter is the module. This gear is Module 0.5 (metric). Any mating spur gear, rack, or pinion must also be Module 0.5 for correct tooth engagement. Tooth count affects gear ratio, not meshing compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which bore size should I choose for my motor shaft?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure your motor or drive shaft diameter with calipers. Available bores are 4, 5, 6, 6.35, 7, 8, and 10 mm. The 6.35 mm bore corresponds to a 1\/4-inch shaft. Select the bore that matches your shaft.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is brass strong enough for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass is well-suited for low-to-medium torque applications such as RC car pinions, servo-driven joints, and light automation stages. For high-torque or high-RPM industrial drives, a steel or hardened alloy gear may be more appropriate.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this gear corrode if used in a humid or outdoor environment?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass has moderate natural corrosion resistance and performs well in typical indoor and light outdoor conditions. It is not recommended for continuous immersion in water or highly corrosive chemical environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use this as a replacement pinion gear in an RC car?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Verify that your RC car's spur gear is Module 0.5 and that the motor pinion shaft diameter matches one of the available bore sizes (4–10 mm). The 32-tooth count will determine your final drive ratio.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why should I order a multi-pack instead of a single piece?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Pinion gears are wear items. Ordering a 5- or 10-pack ensures you have spares on hand for quick replacement. Multi-packs also offer a lower per-unit cost compared to single-piece orders.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the gear come with a set screw or keyway for shaft retention?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Set screw and keyway availability varies by variant. Please check the variant detail or contact us to confirm the shaft retention method for your selected bore size before ordering.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"0.5 Mod 32T 【Bore 4mm】 \/ 1 PCS","offer_id":52442799735058,"sku":"AdaahGFCD04401x1","price":8.74,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 5mm】 \/ 1 PCS","offer_id":52442799767826,"sku":"AdaahGFCD04402x1","price":8.74,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6mm】 \/ 1 PCS","offer_id":52442799800594,"sku":"AdaahGFCD04403x1","price":8.74,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6.35mm】 \/ 1 PCS","offer_id":52442799833362,"sku":"AdaahGFCD04404x1","price":8.74,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 7mm】 \/ 1 PCS","offer_id":52442799866130,"sku":"AdaahGFCD04405x1","price":9.06,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 8mm】 \/ 1 PCS","offer_id":52442799898898,"sku":"AdaahGFCD04406x1","price":9.06,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 10mm】 \/ 1 PCS","offer_id":52442799931666,"sku":"AdaahGFCD04407x1","price":9.06,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 4mm】 \/ 2 PCS","offer_id":52442799964434,"sku":"AdaahGFCD04401x2","price":14.09,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 5mm】 \/ 2 PCS","offer_id":52442799997202,"sku":"AdaahGFCD04402x2","price":14.09,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6mm】 \/ 2 PCS","offer_id":52442800029970,"sku":"AdaahGFCD04403x2","price":14.09,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6.35mm】 \/ 2 PCS","offer_id":52442800062738,"sku":"AdaahGFCD04404x2","price":14.09,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 7mm】 \/ 2 PCS","offer_id":52442800095506,"sku":"AdaahGFCD04405x2","price":14.67,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 8mm】 \/ 2 PCS","offer_id":52442800128274,"sku":"AdaahGFCD04406x2","price":14.67,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 10mm】 \/ 2 PCS","offer_id":52442800161042,"sku":"AdaahGFCD04407x2","price":14.67,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 4mm】 \/ 5 PCS","offer_id":52442800193810,"sku":"AdaahGFCD04401x5","price":27.0,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 5mm】 \/ 5 PCS","offer_id":52442800226578,"sku":"AdaahGFCD04402x5","price":26.9,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6mm】 \/ 5 PCS","offer_id":52442800259346,"sku":"AdaahGFCD04403x5","price":26.85,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6.35mm】 \/ 5 PCS","offer_id":52442800292114,"sku":"AdaahGFCD04404x5","price":26.76,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 7mm】 \/ 5 PCS","offer_id":52442800324882,"sku":"AdaahGFCD04405x5","price":27.73,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 8mm】 \/ 5 PCS","offer_id":52442800357650,"sku":"AdaahGFCD04406x5","price":27.46,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 10mm】 \/ 5 PCS","offer_id":52442800390418,"sku":"AdaahGFCD04407x5","price":27.72,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 4mm】 \/ 10 PCS","offer_id":52442800423186,"sku":"AdaahGFCD04401x10","price":48.81,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 5mm】 \/ 10 PCS","offer_id":52442800455954,"sku":"AdaahGFCD04402x10","price":48.67,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6mm】 \/ 10 PCS","offer_id":52442800488722,"sku":"AdaahGFCD04403x10","price":48.48,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 6.35mm】 \/ 10 PCS","offer_id":52442800521490,"sku":"AdaahGFCD04404x10","price":48.4,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T 【Bore 7mm】 \/ 10 PCS","offer_id":52442800554258,"sku":"AdaahGFCD04405x10","price":54.39,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 8mm】 \/ 10 PCS","offer_id":52442800587026,"sku":"AdaahGFCD04406x10","price":53.84,"currency_code":"USD","in_stock":true},{"title":"0.5 Mod 32T【Bore 10mm】 \/ 10 PCS","offer_id":52442800619794,"sku":"AdaahGFCD04407x10","price":52.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture5of14_64002ef6-b20d-4514-90c4-d5a3c88eb91f.jpg?v=1783594566","url":"https:\/\/homediyer.com\/products\/0-5-mod-brass-spur-gear-32-teeth-bore-4-10mm-pinion-gear","provider":"HomeDIYer","version":"1.0","type":"link"}