{"product_id":"mod-bevel-gear-15t-30t-transmission-gears-90-1-1-pairing-metal","title":"1\/1.5\/2\/2.5\/3\/4 Mod Bevel Gear 15T-30T Transmission Gears 90°1:1 Pairing Metal","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eMetal Bevel Gears for Precise 90° Power Transmission — 1 to 4 Mod, 15T to 30T\u003c\/h2\u003e\n\u003cp\u003eWhen your build demands a reliable right-angle drive — whether you're routing power around a corner in a robot chassis, a CNC axis, or a custom gearbox — a mismatched or undersized bevel gear is the fastest way to lose torque and accuracy. These metal bevel gears are engineered for makers, mechanical engineers, and DIY builders who need a dependable 90° 1:1 transmission solution without compromise.\u003c\/p\u003e\n\u003cp\u003eEach gear is machined from metal (typically brass or steel alloy depending on variant) and is available across six module sizes — 1 Mod, 1.5 Mod, 2 Mod, 2.5 Mod, 3 Mod, and 4 Mod — with tooth counts of 15T, 20T, 25T, and 30T per size. Pitch diameters range from approximately 15 mm (0.59 in) for 1 Mod 15T up to 120 mm (4.72 in) for 4 Mod 30T. Bore diameter varies by variant — see variant options for exact bore specs.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include: 90° power redirection in \u003cstrong\u003erobotics and automation platforms\u003c\/strong\u003e, right-angle drives in \u003cstrong\u003eDIY CNC router Z-axis assemblies\u003c\/strong\u003e, and compact gearbox builds for \u003cstrong\u003eRC vehicles and custom mechanical projects\u003c\/strong\u003e requiring a 1:1 bevel gear pair.\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 Sold as individual gears. For a 90° 1:1 drive, purchase two matching gears of the same Mod and tooth count. Bore size varies by variant — confirm shaft diameter before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Metal Bevel Gears\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eSix Module Sizes Available\u003c\/strong\u003e\u003cbr\u003eChoose from 1, 1.5, 2, 2.5, 3, or 4 Mod to match your gear system's pitch requirements precisely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦷\u003c\/span\u003e \u003cstrong\u003e15T to 30T Tooth Range\u003c\/strong\u003e\u003cbr\u003eFour tooth count options per module — 15T, 20T, 25T, 30T — giving you control over torque capacity and gear diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eTrue 90° 1:1 Transmission\u003c\/strong\u003e\u003cbr\u003eDesigned as matched pairs for exact right-angle power transfer with no speed ratio change between input and output shafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e \u003cstrong\u003eMetal Construction for Durability\u003c\/strong\u003e\u003cbr\u003eMachined from metal alloy for resistance to wear under continuous load — suitable for both prototyping and longer-run mechanical builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003eWide Size Range for Versatile Builds\u003c\/strong\u003e\u003cbr\u003ePitch diameters from ~15 mm to ~120 mm (0.59\"–4.72\") cover compact micro-builds through medium-duty drive systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eSold Individually — Pair as Needed\u003c\/strong\u003e\u003cbr\u003eOrder one or two units per your build. Mix module sizes are not compatible — always pair same-Mod gears for correct mesh.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Metal Bevel Gears\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModule (Mod)\u003c\/th\u003e\n\u003ctd\u003e1 \/ 1.5 \/ 2 \/ 2.5 \/ 3 \/ 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count\u003c\/th\u003e\n\u003ctd\u003e15T \/ 20T \/ 25T \/ 30T\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\u003eShaft Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Ratio\u003c\/th\u003e\n\u003ctd\u003e1:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eMetal alloy (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter Range\u003c\/th\u003e\n\u003ctd\u003e~15 mm – ~120 mm (0.59\" – 4.72\")\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 \/ Boss 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\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003e1 piece per unit\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 Mod and tooth count for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe module (Mod) determines the size of each tooth and must match between the two mating gears. A higher Mod means larger, stronger teeth suited for higher torque. The tooth count (15T–30T) affects the pitch diameter — more teeth means a larger gear. For a 1:1 ratio, both gears in the pair must have the same Mod and the same tooth count.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to buy two gears to make a working 90° drive?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. A bevel gear pair requires two gears of the same Mod and tooth count to achieve the 90° 1:1 transmission. Each listing sells one piece. Select the quantity of 2 if you need a complete pair, or order two separate units of the same variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat shaft diameter does the bore fit?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by Mod size and tooth count. Please refer to the variant options or contact us to confirm the bore size for your selected variant before ordering. We recommend measuring your shaft diameter precisely before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears strong enough for continuous-duty applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese metal bevel gears are suitable for light-to-medium duty continuous operation such as robotics, CNC drives, and motorized DIY builds. For heavy industrial loads or high-RPM applications, please contact us to confirm suitability for your specific torque and speed requirements.\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\u003eCorrosion resistance depends on the specific material and finish of the variant selected. Metal alloy gears may benefit from light lubrication in humid or outdoor environments. For applications requiring high corrosion resistance, contact us to confirm the material specification of your chosen variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use a 1 Mod gear with a 2 Mod gear?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. Bevel gears must be paired with the same module size to mesh correctly. Mixing different Mod gears will result in incorrect tooth engagement, noise, and rapid wear. Always select the same Mod for both gears in your drive pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between 15T and 30T in the same Mod?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWithin the same module, a higher tooth count (e.g. 30T vs 15T) results in a larger pitch diameter and a physically bigger gear. Both will produce a 1:1 ratio when paired with an identical gear. Choose a higher tooth count when you need a larger gear diameter for your shaft spacing, or a lower tooth count for a more compact build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Size (Mod + Tooth Count) above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"1Mod  15T \/ 1 pcs","offer_id":52439403430162,"sku":"GYWYPSHXJZC1865x1","price":3.79,"currency_code":"USD","in_stock":true},{"title":"1Mod  20T \/ 1 pcs","offer_id":52439403462930,"sku":"GYWYPSHXJZC1866x1","price":3.79,"currency_code":"USD","in_stock":true},{"title":"1Mod  25T \/ 1 pcs","offer_id":52439403495698,"sku":"GYWYPSHXJZC1867x1","price":3.93,"currency_code":"USD","in_stock":true},{"title":"1Mod  30T \/ 1 pcs","offer_id":52439403528466,"sku":"GYWYPSHXJZC1868x1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"1.5Mod  15T \/ 1 pcs","offer_id":52439403561234,"sku":"GYWYPSHXJZC1869x1","price":3.33,"currency_code":"USD","in_stock":true},{"title":"1.5Mod  20T \/ 1 pcs","offer_id":52439403594002,"sku":"GYWYPSHXJZC1870x1","price":4.01,"currency_code":"USD","in_stock":true},{"title":"1.5Mod  25T \/ 1 pcs","offer_id":52439403626770,"sku":"GYWYPSHXJZC1871x1","price":6.05,"currency_code":"USD","in_stock":true},{"title":"1.5Mod  30T \/ 1 pcs","offer_id":52439403659538,"sku":"GYWYPSHXJZC1872x1","price":7.96,"currency_code":"USD","in_stock":true},{"title":"2Mod  15T \/ 1 pcs","offer_id":52439403692306,"sku":"GYWYPSHXJZC1873x1","price":4.61,"currency_code":"USD","in_stock":true},{"title":"2Mod  20T \/ 1 pcs","offer_id":52439403725074,"sku":"GYWYPSHXJZC1874x1","price":7.19,"currency_code":"USD","in_stock":true},{"title":"2Mod  25T \/ 1 pcs","offer_id":52439403757842,"sku":"GYWYPSHXJZC1875x1","price":11.0,"currency_code":"USD","in_stock":true},{"title":"2Mod  30T \/ 1 pcs","offer_id":52439403790610,"sku":"GYWYPSHXJZC1876x1","price":16.58,"currency_code":"USD","in_stock":true},{"title":"2.5Mod  15T \/ 1 pcs","offer_id":52439403823378,"sku":"GYWYPSHXJZC1877x1","price":7.41,"currency_code":"USD","in_stock":true},{"title":"2.5Mod  20T \/ 1 pcs","offer_id":52439403856146,"sku":"GYWYPSHXJZC1878x1","price":11.0,"currency_code":"USD","in_stock":true},{"title":"2.5Mod  25T \/ 1 pcs","offer_id":52439403888914,"sku":"GYWYPSHXJZC1879x1","price":17.75,"currency_code":"USD","in_stock":true},{"title":"2.5Mod  30T \/ 1 pcs","offer_id":52439403921682,"sku":"GYWYPSHXJZC1880x1","price":26.18,"currency_code":"USD","in_stock":true},{"title":"3Mod  15T \/ 1 pcs","offer_id":52439403954450,"sku":"GYWYPSHXJZC1881x1","price":10.59,"currency_code":"USD","in_stock":true},{"title":"3Mod  20T \/ 1 pcs","offer_id":52439403987218,"sku":"GYWYPSHXJZC1882x1","price":17.53,"currency_code":"USD","in_stock":true},{"title":"3Mod  25T \/ 1 pcs","offer_id":52439404019986,"sku":"GYWYPSHXJZC1883x1","price":25.91,"currency_code":"USD","in_stock":true},{"title":"3Mod  30T \/ 1 pcs","offer_id":52439404052754,"sku":"GYWYPSHXJZC1884x1","price":36.98,"currency_code":"USD","in_stock":true},{"title":"4Mod  15T \/ 1 pcs","offer_id":52439404085522,"sku":"GYWYPSHXJZC1885x1","price":18.7,"currency_code":"USD","in_stock":true},{"title":"4Mod  20T \/ 1 pcs","offer_id":52439404118290,"sku":"GYWYPSHXJZC1886x1","price":35.62,"currency_code":"USD","in_stock":true},{"title":"4Mod  25T \/ 1 pcs","offer_id":52439404151058,"sku":"GYWYPSHXJZC1887x1","price":59.28,"currency_code":"USD","in_stock":true},{"title":"4Mod  30T \/ 1 pcs","offer_id":52439404183826,"sku":"GYWYPSHXJZC1888x1","price":89.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture2of7_f6d26fce-4108-416c-baba-2d1c2b98ed39.jpg?v=1783414743","url":"https:\/\/homediyer.com\/products\/mod-bevel-gear-15t-30t-transmission-gears-90-1-1-pairing-metal","provider":"HomeDIYer","version":"1.0","type":"link"}