{"product_id":"3-modul-steel-spur-gears-pinion-gear-thick-30mm-10-60-teeth-for-3d-cnc","title":"3 Modul Steel Spur Gears Pinion Gear Thick 30mm 10-60 Teeth For 3D CNC","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eModule 3 Steel Spur Gears — Precision Pinion Gears for CNC, 3D Printers \u0026amp; DIY Automation\u003c\/h2\u003e\n    \u003cp\u003eWhen your CNC router skips steps or your DIY automation project loses torque because of a worn or undersized gear, the entire build stalls. Makers, workshop engineers, and robotics hobbyists who need a reliable, drop-in steel spur gear with a generous 30 mm face width will find this Module 3 pinion gear series a dependable solution for demanding drive trains.\u003c\/p\u003e\n    \u003cp\u003eEach gear is machined from carbon steel with a standard Module 3 (3 mm\/tooth pitch) tooth profile. The face (tooth) width is 30 mm (~1.18 in), and the pitch diameter ranges from 30 mm (~1.18 in) for the 10-tooth pinion up to 180 mm (~7.09 in) for the 60-tooth gear. Bore diameter and keyway dimensions vary by tooth count — see variant options for exact bore specs.\u003c\/p\u003e\n    \u003cp\u003eThese module 3 steel spur gears are well-suited for CNC router Z-axis and rack-and-pinion drives, 3D printer extruder and motion systems requiring a steel spur gear upgrade, and DIY automation conveyor or rotary-table builds where a durable pinion gear with a 30 mm face width is needed for sustained torque transmission.\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 Standard Module 3 (Mod 3) tooth profile — mates with any Module 3 rack, ring gear, or mating spur gear. Confirm bore diameter against your shaft size before ordering.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These Module 3 Steel Spur Gears\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eCarbon Steel Construction\u003c\/strong\u003e — Machined from carbon steel for strength and wear resistance in continuous-duty drive applications.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003e30 mm Face Width\u003c\/strong\u003e — Generous 30 mm (~1.18 in) tooth width distributes load evenly and reduces tooth stress under high torque.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003eStandard Module 3 Profile\u003c\/strong\u003e — Fully interchangeable with any Mod 3 rack or mating gear; no custom tooling required.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003eWide Tooth-Count Range (10–60 Teeth)\u003c\/strong\u003e — Choose the exact gear ratio you need; 51 variants cover pinion to large-diameter spur gear applications in a single listing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003ePrecision-Cut Teeth\u003c\/strong\u003e — Hobbed tooth flanks provide smooth meshing, reduced backlash, and quieter operation compared to cast or sintered alternatives.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\u003cstrong\u003eVersatile Bore Options\u003c\/strong\u003e — Bore diameter and keyway vary by tooth count; see variant options to match your shaft diameter for a secure, concentric fit.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — Module 3 Steel Spur Gears\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eModule (Pitch)\u003c\/th\u003e\n\u003ctd\u003e3 (3 mm\/tooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTooth Count Range\u003c\/th\u003e\n\u003ctd\u003e10 – 60 teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFace (Tooth) Width\u003c\/th\u003e\n\u003ctd\u003e30 mm (~1.18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePitch Diameter Range\u003c\/th\u003e\n\u003ctd\u003e30 mm – 180 mm (~1.18 in – 7.09 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTooth Profile\u003c\/th\u003e\n\u003ctd\u003eStandard involute, Module 3\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\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eKeyway\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Rack\/Gear Module\u003c\/th\u003e\n\u003ctd\u003eModule 3 (Mod 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Application\u003c\/th\u003e\n\u003ctd\u003eCNC router, 3D printer, DIY automation, robotics\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 project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSelect your tooth count based on the gear ratio you need. Divide the driven gear teeth by the driving (pinion) gear teeth to get the ratio. For example, pairing a 10-tooth pinion with a 30-tooth gear gives a 3:1 reduction. A smaller tooth count means a smaller pitch diameter and higher speed; a larger tooth count gives a larger diameter and more torque multiplication.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat shaft diameter does this gear fit?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBore diameter varies by tooth count. Please check the variant detail page or contact us to confirm the bore size for your chosen model before ordering. Measure your shaft diameter with calipers and compare it to the listed bore to ensure a proper fit.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this gear mesh with my existing Module 3 rack or gear?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — as long as your existing rack or mating gear is also Module 3 (Mod 3) with a 20° pressure angle, these gears will mesh correctly. Module must match exactly; a Module 2 or Module 4 gear will not mesh properly with a Module 3 counterpart.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow strong are these steel spur gears under load?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCarbon steel spur gears offer significantly higher tensile and shear strength than plastic or aluminum alternatives. The 30 mm face width further distributes tooth load, reducing contact stress. For exact load ratings, refer to standard gear engineering tables for Module 3 carbon steel gears, or contact us with your torque and RPM requirements.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these gears corrosion-resistant?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCarbon steel has moderate corrosion resistance. For indoor CNC or 3D printer environments this is typically sufficient. If your application involves moisture, coolant, or outdoor exposure, consider applying a light machine oil or grease to the tooth flanks, or contact us about surface-treated variants.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these gears in a 3D printer or CNC router?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. These Module 3 steel spur gears are commonly used in CNC router rack-and-pinion drives, extruder gear trains, and rotary-axis builds. Confirm that your existing rack or mating gear is Module 3, and verify the bore diameter matches your motor or drive shaft before ordering.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the 10-tooth and 60-tooth variants?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 10-tooth variant has a pitch diameter of 30 mm and is used as a small pinion for high-speed, lower-torque applications. The 60-tooth variant has a pitch diameter of 180 mm and is suited for large-diameter driven gears or applications requiring significant torque multiplication. All variants share the same 30 mm face width and Module 3 tooth profile.\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 (Model) 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 project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Select your tooth count based on the gear ratio you need. Divide the driven gear teeth by the driving (pinion) gear teeth to get the ratio. A smaller tooth count means a smaller pitch diameter and higher speed; a larger tooth count gives a larger diameter and more torque multiplication.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shaft diameter does this gear fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Bore diameter varies by tooth count. Please check the variant detail page or contact us to confirm the bore size for your chosen model before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this gear mesh with my existing Module 3 rack or gear?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — as long as your existing rack or mating gear is also Module 3 (Mod 3) with a 20° pressure angle, these gears will mesh correctly. Module must match exactly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How strong are these steel spur gears under load?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Carbon steel spur gears offer significantly higher tensile and shear strength than plastic or aluminum alternatives. The 30 mm face width further distributes tooth load, reducing contact stress.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these gears corrosion-resistant?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Carbon steel has moderate corrosion resistance. For indoor CNC or 3D printer environments this is typically sufficient. Consider applying a light machine oil or grease for moisture-exposed applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these gears in a 3D printer or CNC router?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These Module 3 steel spur gears are commonly used in CNC router rack-and-pinion drives, extruder gear trains, and rotary-axis builds. Confirm Module 3 compatibility and bore diameter before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between the 10-tooth and 60-tooth variants?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 10-tooth variant has a pitch diameter of 30 mm for high-speed applications. The 60-tooth variant has a pitch diameter of 180 mm for torque multiplication. All variants share the same 30 mm face width and Module 3 tooth profile.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"3Mod 10Teeth","offer_id":52443233550610,"sku":"GLFBLFFGLBZSJ058177x1","price":7.64,"currency_code":"USD","in_stock":true},{"title":"3Mod 11Teeth","offer_id":52443233583378,"sku":"GLFBLFFGLBZSJ058178x1","price":10.17,"currency_code":"USD","in_stock":true},{"title":"3Mod 12Teeth","offer_id":52443233616146,"sku":"GLFBLFFGLBZSJ058179x1","price":12.29,"currency_code":"USD","in_stock":true},{"title":"3Mod 13Teeth","offer_id":52443233648914,"sku":"GLFBLFFGLBZSJ058180x1","price":15.42,"currency_code":"USD","in_stock":true},{"title":"3Mod 14Teeth","offer_id":52443233681682,"sku":"GLFBLFFGLBZSJ058181x1","price":15.42,"currency_code":"USD","in_stock":true},{"title":"3Mod 15Teeth","offer_id":52443233714450,"sku":"GLFBLFFGLBZSJ058182x1","price":17.83,"currency_code":"USD","in_stock":true},{"title":"3Mod 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