{"product_id":"bevel-gear-1-1-5-2-mod-15-20-teeth-transmission-gears-bevel-teeth-90-45-steel","title":"Bevel Gear 1\/1.5\/2 Mod 15-20 Teeth Transmission Gears Bevel Teeth 90° 45# Steel","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBevel Gear 1\/1.5\/2 Mod — Precision 90° Transmission for DIY \u0026amp; Mechanical Builds\u003c\/h2\u003e\n\u003cp\u003eWhen a right-angle power transfer is the only option and slippage is not, hobbyists and mechanical engineers alike need a bevel gear they can count on. Whether you are building a custom CNC axis, a robotics drivetrain, or a hand-cranked mechanical assembly, mismatched or soft gears cause backlash, wear, and costly downtime. These 45# carbon steel bevel gears are machined to deliver consistent mesh engagement across every tooth, every time.\u003c\/p\u003e\n\u003cp\u003eEach gear is precision-cut from 45# medium-carbon steel, offering a balance of hardness and machinability suited to moderate-to-heavy transmission loads. Available in three modulus values — 1 Mod, 1.5 Mod, and 2 Mod — with tooth counts ranging from 15 to 20 teeth, the pitch diameter spans approximately 15 mm (0.59 in) to 40 mm (1.57 in) depending on the selected combination. The 90° bevel angle enables direct perpendicular shaft coupling without additional gearbox housings.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include DIY right-angle gearbox builds for workshop machinery, bevel gear pairs in RC vehicle differentials and steering assemblies, and custom power-transmission stages in maker and automation projects requiring compact 90° direction changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for mating bevel gear pairs at 90° shaft angles. Match Modulus and tooth count to your paired gear. Bore diameter varies by variant — see variant options for shaft fit details.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Bevel Transmission Gears\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003e45# Carbon Steel Construction\u003c\/strong\u003e\n\u003cp\u003eMachined from 45# medium-carbon steel for reliable strength under rotational load, with good wear resistance across repeated engagement cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003e90° Bevel Angle\u003c\/strong\u003e\n\u003cp\u003eEngineered for perpendicular shaft coupling, enabling compact right-angle power transmission without additional housing or adapter components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔢\u003c\/span\u003e \u003cstrong\u003eThree Modulus Options: 1 \/ 1.5 \/ 2 Mod\u003c\/strong\u003e\n\u003cp\u003eChoose the modulus that matches your mating gear and load requirements. Larger modulus = larger tooth profile = higher torque capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦷\u003c\/span\u003e \u003cstrong\u003e15 to 20 Tooth Range\u003c\/strong\u003e\n\u003cp\u003eFive tooth-count options per modulus allow fine-tuning of gear ratio and pitch diameter to suit your specific transmission design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e \u003cstrong\u003ePrecision-Cut Tooth Profile\u003c\/strong\u003e\n\u003cp\u003eConsistent tooth geometry across the full face width ensures smooth mesh engagement, reduced vibration, and predictable backlash characteristics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e \u003cstrong\u003eVersatile for DIY \u0026amp; Maker Projects\u003c\/strong\u003e\n\u003cp\u003eSuitable for robotics, CNC builds, RC differentials, workshop machinery, and any custom mechanical assembly requiring a reliable 90° bevel gear stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Bevel Transmission Gears\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e45# Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBevel Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus (Mod)\u003c\/th\u003e\n\u003ctd\u003e1 \/ 1.5 \/ 2 (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Teeth\u003c\/th\u003e\n\u003ctd\u003e15 \/ 16 \/ 18 \/ 19 \/ 20 (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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\u003eFace Width\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\u003eNatural steel (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Pack\u003c\/th\u003e\n\u003ctd\u003e1 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eRight-angle power transmission, DIY gearboxes, robotics, CNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right Modulus for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eModulus (Mod) defines the tooth size and determines which gears can mesh together — only gears of the same Mod will pair correctly. Choose a higher Mod (e.g., 2 Mod) for heavier loads and lower RPM applications, and a lower Mod (e.g., 1 Mod) for lighter loads and more compact assemblies. Always match the Mod of both the drive and driven gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I pair a 15-tooth gear with a 20-tooth gear of the same Mod?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Bevel gears of the same Modulus can be paired regardless of tooth count, and mixing tooth counts creates a gear ratio. A 15T\/20T pair produces a 1:1.33 ratio, which changes output speed and torque proportionally. Ensure both gears share the same Mod and 90° bevel angle for correct mesh.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat shaft diameter do these gears fit?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by Modulus and tooth count combination. Please refer to the variant options or contact us to confirm the bore size for your selected variant before ordering, especially if you need a specific shaft fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears corrosion-resistant?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese gears are machined from 45# carbon steel with a natural (uncoated) finish, which provides good mechanical strength but limited corrosion resistance in humid or wet environments. For outdoor or high-moisture applications, consider applying a light machine oil or grease coating after installation to protect the tooth surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum torque or load these gears can handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eLoad capacity depends on the Modulus, tooth count, shaft speed, and lubrication conditions. As a general guide, larger Mod gears (2 Mod) handle higher torque than smaller Mod gears (1 Mod) at equivalent speeds. For precise load ratings, contact us with your application details and we can advise on suitability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to buy gears in pairs?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach listing is sold as 1 piece (1 Pcs). For a functional 90° bevel gear stage you will need at least two gears — a drive gear and a driven gear — both of the same Modulus. Add the required quantity to your cart based on your assembly needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these suitable for CNC machine builds?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. These bevel gears are well-suited for DIY CNC axis direction changes, router head assemblies, and similar maker-grade CNC applications where a compact 90° transmission is needed. For production CNC environments with continuous high-cycle loads, verify the specific Mod and tooth count against your torque and speed requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Modulus, Number of Teeth, and QTY above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"1 Mod \/ 15 Tooth \/ 1 Pcs","offer_id":52439375773970,"sku":"GLFBZBP2024KC00415x1","price":12.0,"currency_code":"USD","in_stock":true},{"title":"1 Mod \/ 16 Tooth \/ 1 Pcs","offer_id":52439375806738,"sku":"GLFBZBP2024KC00416x1","price":13.33,"currency_code":"USD","in_stock":true},{"title":"1 Mod \/ 18 Tooth \/ 1 Pcs","offer_id":52439375839506,"sku":"GLFBZBP2024KC00417x1","price":15.12,"currency_code":"USD","in_stock":true},{"title":"1.5 Mod \/ 15 Tooth \/ 1 Pcs","offer_id":52439375872274,"sku":"GLFBZBP2024KC00418x1","price":14.46,"currency_code":"USD","in_stock":true},{"title":"1.5 Mod \/ 16 Tooth \/ 1 Pcs","offer_id":52439375905042,"sku":"GLFBZBP2024KC00419x1","price":16.13,"currency_code":"USD","in_stock":true},{"title":"1.5 Mod \/ 18 Tooth \/ 1 Pcs","offer_id":52439375937810,"sku":"GLFBZBP2024KC00420x1","price":17.8,"currency_code":"USD","in_stock":true},{"title":"1.5 Mod \/ 20 Tooth \/ 1 Pcs","offer_id":52439375970578,"sku":"GLFBZBP2024KC00421x1","price":20.6,"currency_code":"USD","in_stock":true},{"title":"2 Mod \/ 15 Tooth \/ 1 Pcs","offer_id":52439376003346,"sku":"GLFBZBP2024KC00422x1","price":23.41,"currency_code":"USD","in_stock":true},{"title":"2 Mod \/ 16 Tooth \/ 1 Pcs","offer_id":52439376036114,"sku":"GLFBZBP2024KC00423x1","price":26.08,"currency_code":"USD","in_stock":true},{"title":"2 Mod \/ 18 Tooth \/ 1 Pcs","offer_id":52439376068882,"sku":"GLFBZBP2024KC00424x1","price":29.34,"currency_code":"USD","in_stock":true},{"title":"2 Mod \/ 19 Tooth \/ 1 Pcs","offer_id":52439376101650,"sku":"GLFBZBP2024KC00425x1","price":32.35,"currency_code":"USD","in_stock":true},{"title":"2 Mod \/ 20 Tooth \/ 1 Pcs","offer_id":52439376134418,"sku":"GLFBZBP2024KC00426x1","price":36.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-02_dcd22f02-cb96-4857-96fa-8de944b422c1.jpg?v=1783408953","url":"https:\/\/homediyer.com\/products\/bevel-gear-1-1-5-2-mod-15-20-teeth-transmission-gears-bevel-teeth-90-45-steel","provider":"HomeDIYer","version":"1.0","type":"link"}