{"product_id":"1-modulus-bevel-gear-15t-40t-90-degree-metal-transmission-gear","title":"1 Modulus Bevel Gear 15T-40T Tooth 90°1:1 Pairing Motor Metal Transmission Gear","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e1 Modulus Bevel Gear — 90° Metal Transmission for Motors and DIY Drives\u003c\/h2\u003e\n\u003cp\u003eWhen a right-angle power transfer is the only option and slippage is not, engineers and makers need a gear that holds its mesh under load. This 1 modulus bevel gear set is designed for hobbyists, robotics builders, and mechanical engineers who require a reliable 90° 1:1 transmission between intersecting shafts without backlash-prone plastic alternatives.\u003c\/p\u003e\n\u003cp\u003eEach gear is machined from metal and follows a standard 1-modulus tooth profile, making it compatible with any other 1M bevel gear of the same tooth count. Available in 15T, 16T, 18T, 20T, 24T, 25T, 28T, and 30T configurations, the pitch diameter ranges from approximately 15 mm to 30 mm (0.59 in to 1.18 in), with tooth heights typically in the 2.0–2.5 mm (0.08–0.10 in) range depending on the tooth count selected.\u003c\/p\u003e\n\u003cp\u003eTypical applications include DC motor gearboxes requiring a 90° shaft turn, CNC router axis drives, robotic arm joints needing a compact right-angle 1:1 bevel gear pairing, and custom DIY transmission assemblies where a standard modulus gear system simplifies sourcing and replacement.\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 Pairs with any 1 modulus bevel gear of matching tooth count. Shaft bore size varies by tooth count — select your model above to confirm fit.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 1 Modulus Bevel Gears\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eStandard 1 Modulus Profile\u003c\/strong\u003e\n\u003cp\u003eFollows the universal 1M tooth standard, ensuring interchangeability with matching bevel gears across common mechanical systems and replacement parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eTrue 90° Shaft Angle\u003c\/strong\u003e\n\u003cp\u003eEngineered for a precise 90-degree intersecting shaft configuration, enabling clean right-angle power transfer in compact assemblies without additional adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003e1:1 Transmission Ratio\u003c\/strong\u003e\n\u003cp\u003eMaintains equal input and output speed — ideal for direction-change applications where speed reduction is handled elsewhere in the drivetrain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e \u003cstrong\u003eMetal Construction\u003c\/strong\u003e\n\u003cp\u003eMachined from metal for durability under continuous rotational load, resisting deformation that limits plastic gears in motor-driven applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔢\u003c\/span\u003e \u003cstrong\u003eMultiple Tooth Count Options\u003c\/strong\u003e\n\u003cp\u003eAvailable in 15T, 16T, 18T, 20T, 24T, 25T, 28T, and 30T to match your torque, speed, and pitch diameter requirements across a range of builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eSold as a Matched Pair\u003c\/strong\u003e\n\u003cp\u003eEach listing provides a matched bevel gear pair, pre-selected for 1:1 meshing — no separate pairing calculation required for your 90° drive setup.\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 — 1 Modulus Bevel Gear\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission Ratio\u003c\/th\u003e\n\u003ctd\u003e1:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Tooth Counts\u003c\/th\u003e\n\u003ctd\u003e15T, 16T, 18T, 20T, 24T, 25T, 28T, 30T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter Range\u003c\/th\u003e\n\u003ctd\u003eApprox. 15–30 mm (0.59–1.18 in) depending on tooth count\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Height\u003c\/th\u003e\n\u003ctd\u003eTypically 2.0–2.5 mm (0.08–0.10 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eMetal\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\u003eHub Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Gear 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\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Contents\u003c\/th\u003e\n\u003ctd\u003e1 matched bevel gear pair\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 tooth count for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor a 1:1 ratio, both gears in the pair must have the same tooth count. Choose a larger tooth count (e.g., 28T or 30T) when you need a larger pitch diameter to clear shaft collars or housings. Smaller counts (15T–18T) suit compact builds where space is limited. All options share the same 1 modulus profile, so the tooth geometry is consistent across the range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the load capacity of these metal bevel gears?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eLoad capacity depends on the specific metal alloy, tooth count, and operating speed. Metal construction provides significantly higher load tolerance than plastic alternatives, making these suitable for continuous motor-driven applications. For precise torque ratings, refer to your shaft speed and consult the variant specifications or contact us to confirm suitability for high-load industrial use.\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\u003eMetal bevel gears of this type are generally suitable for dry or lightly lubricated indoor environments. For applications exposed to moisture, chemicals, or outdoor conditions, we recommend applying a compatible gear lubricant and confirming the alloy specification via the variant details or by contacting us before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this gear pair with another brand's 1 modulus bevel gear?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — the 1 modulus tooth profile is a standardized metric gear standard. As long as the mating gear is also 1 modulus and the same tooth count, it will mesh correctly at 90°. Verify the bore diameter and hub dimensions of both gears to ensure shaft and housing compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the bore diameter the same across all tooth count variants?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter can vary between tooth count variants. Please select your specific model (e.g., 15T, 20T, 30T) above to view the bore size for that variant, or contact us to confirm before ordering if your shaft diameter is a critical constraint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these gears in a robotics or automation project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. These 1 modulus 90° bevel gears are well-suited for robotics joints, servo-driven arms, automated conveyor direction changes, and CNC axis drives. The 1:1 ratio makes them ideal for direction-change stages where speed and torque pass through unchanged, keeping your drivetrain calculations straightforward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to purchase both gears separately or is it a pair?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach listing includes a matched bevel gear pair — both gears needed for a complete 90° 1:1 mesh are included. You do not need to purchase a second gear separately to complete your drive assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your tooth count (Model) above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"15T","offer_id":52439298900242,"sku":"TRA16175","price":4.96,"currency_code":"USD","in_stock":true},{"title":"20T","offer_id":52439298933010,"sku":"TRA16176","price":5.7,"currency_code":"USD","in_stock":true},{"title":"24T","offer_id":52439298965778,"sku":"TRA16177","price":6.38,"currency_code":"USD","in_stock":true},{"title":"16T","offer_id":52439298998546,"sku":"TRA16178","price":5.15,"currency_code":"USD","in_stock":true},{"title":"18T","offer_id":52439299031314,"sku":"TRA16179","price":5.43,"currency_code":"USD","in_stock":true},{"title":"25T","offer_id":52439299064082,"sku":"TRA16180","price":7.06,"currency_code":"USD","in_stock":true},{"title":"28T","offer_id":52439299096850,"sku":"TRA16182","price":9.86,"currency_code":"USD","in_stock":true},{"title":"30T","offer_id":52439299129618,"sku":"TRA16183","price":10.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of2_019b50d9-d409-4ec4-b1cb-3ce428a89a5c.jpg?v=1783331742","url":"https:\/\/homediyer.com\/products\/1-modulus-bevel-gear-15t-40t-90-degree-metal-transmission-gear","provider":"HomeDIYer","version":"1.0","type":"link"}