{"product_id":"1-5-2-modulus-1-2-metal-motor-bevel-gears-15-20-tooth-90-pairing-45-steel","title":"1.5\/2 Modulus 1:2 Metal Motor Bevel Gears 15-20 Tooth 90° Pairing 45# Steel","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e1.5\/2 Modulus Bevel Gears — Precision 90° Power Transmission for DIY \u0026amp; Industrial Drives\u003c\/h2\u003e\n\u003cp\u003eWhen your motor drive system demands reliable torque transfer at a right angle, a mismatched or low-grade bevel gear set becomes the weakest link in the chain. Engineers, robotics builders, and CNC hobbyists who need repeatable, low-backlash 90° mesh will find these 1.5\/2 modulus bevel gears a dependable solution sized for real-world loads.\u003c\/p\u003e\n\u003cp\u003eEach set consists of a paired pinion and wheel gear machined from 45# medium-carbon steel, heat-treated for surface hardness. Available in modulus 1.5 (typically 15–20 mm pitch diameter range) and modulus 2 (typically 20–27 mm pitch diameter range), with tooth counts of 15T\/30T, 16T\/32T, 18T\/36T, and 20T\/40T — all maintaining a 1:2 gear ratio. Bore dimensions vary by size; see variant options for exact bore specs.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include DIY gearbox builds requiring a 90° shaft change, small CNC router axis drives, robotics joint actuators needing a compact 1:2 reduction bevel gear set, and light industrial conveyor corner drives where a metal motor bevel gear pair replaces worn plastic components.\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 Fits standard motor shafts and gearbox housings designed for modulus 1.5 or modulus 2 bevel gears. Confirm bore diameter and shaft size against your variant selection before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Metal Motor Bevel Gears\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003e45# Medium-Carbon Steel Construction\u003c\/strong\u003e\n\u003cp\u003eMachined from 45# steel with surface hardening for wear resistance under sustained rotational loads — a step up from cast or sintered alternatives in the same size class.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003ePrecise 90° Mesh Angle\u003c\/strong\u003e\n\u003cp\u003eGround tooth profiles maintain a true 90° shaft intersection, reducing vibration and noise in right-angle drive applications compared to non-ground bevel gears.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003e1:2 Fixed Gear Ratio\u003c\/strong\u003e\n\u003cp\u003eAll size variants deliver a consistent 1:2 speed reduction ratio (pinion to wheel), making torque calculations and system design straightforward for engineers and makers alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cstrong\u003eMatched Pair Supplied\u003c\/strong\u003e\n\u003cp\u003eEach order includes both the pinion (driver) and the wheel (driven) gear as a factory-matched set, ensuring correct tooth contact pattern out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eMultiple Modulus \u0026amp; Tooth Count Options\u003c\/strong\u003e\n\u003cp\u003eChoose from modulus 1.5 or 2, with four tooth-count combinations (15T\/30T, 16T\/32T, 18T\/36T, 20T\/40T) to match your torque, speed, and envelope requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e \u003cstrong\u003eCorrosion-Resistant Surface Treatment\u003c\/strong\u003e\n\u003cp\u003eThe steel surface treatment provides baseline protection against oxidation during storage and light-duty indoor operation; apply additional lubrication for extended service life.\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 Gear Set\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e45# Medium-Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus\u003c\/th\u003e\n\u003ctd\u003e1.5 \/ 2 (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Ratio\u003c\/th\u003e\n\u003ctd\u003e1:2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMesh Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count (Pinion \/ Wheel)\u003c\/th\u003e\n\u003ctd\u003e15T\/30T, 16T\/32T, 18T\/36T, 20T\/40T (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter Range (Mod 1.5)\u003c\/th\u003e\n\u003ctd\u003eTypically 22.5–30 mm (0.89–1.18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter Range (Mod 2)\u003c\/th\u003e\n\u003ctd\u003eTypically 30–40 mm (1.18–1.57 in)\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\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eOxidation-resistant finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePacking Quantity\u003c\/th\u003e\n\u003ctd\u003e1 pcs (single pair) \/ 5 pcs (5 pairs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eRight-angle power transmission, robotics, CNC, DIY gearboxes\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 between modulus 1.5 and modulus 2?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eModulus determines the tooth size and load capacity. Modulus 1.5 gears are smaller and suited for lighter loads and compact builds (e.g., small robotics joints, hobby CNC). Modulus 2 gears have larger teeth, handle higher torque, and are better for more demanding drive applications. Match the modulus to your existing gear housing or mating gear specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the bore diameter for each size variant?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by tooth count and modulus. Please check the variant detail page or contact us to confirm the exact bore size before ordering, especially if you need to match a specific motor shaft diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears strong enough for continuous-duty motor applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese bevel gears are machined from 45# medium-carbon steel with surface hardening, making them suitable for intermittent to moderate continuous-duty applications at the torque levels typical of small electric motors. For heavy industrial continuous-duty use, verify the rated torque against your application load before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo these gears resist corrosion in humid environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe surface treatment provides basic oxidation resistance for indoor storage and operation. For humid or outdoor environments, we recommend applying a suitable gear lubricant or grease to the tooth contact surfaces and housing to extend service life and prevent rust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use a modulus 1.5 pinion with a modulus 2 wheel gear?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. Gears of different modulus values are not interchangeable — the tooth pitch and profile are incompatible. Always pair a modulus 1.5 pinion with a modulus 1.5 wheel, and a modulus 2 pinion with a modulus 2 wheel. Each listing supplies a matched pair of the same modulus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 1 pcs and 5 pcs packing options?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe \"1 pcs\" option includes one matched bevel gear pair (pinion + wheel). The \"5 pcs\" option includes five matched pairs of the same size, offering a lower per-pair cost for prototyping batches, spare parts stocking, or small production runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I ensure correct tooth contact pattern after installation?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMount both gears on their respective shafts so the apex of each gear's pitch cone meets at the same point. Apply a thin coat of marking compound to the teeth, rotate under light load, and check that the contact pattern is centered on the tooth face. Adjust shaft positioning as needed before final tightening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Size and Packing Quantity above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"1.5M 15T\/30T \/ 1 pcs","offer_id":52439387668754,"sku":"GYWYPSHXJZC1905x1","price":59.81,"currency_code":"USD","in_stock":true},{"title":"1.5M 16T\/32T \/ 1 pcs","offer_id":52439387701522,"sku":"GYWYPSHXJZC1906x1","price":39.58,"currency_code":"USD","in_stock":true},{"title":"1.5M 18T\/36T \/ 1 pcs","offer_id":52439387734290,"sku":"GYWYPSHXJZC1907x1","price":49.37,"currency_code":"USD","in_stock":true},{"title":"1.5M 20T\/40T \/ 1 pcs","offer_id":52439387767058,"sku":"GYWYPSHXJZC1908x1","price":55.19,"currency_code":"USD","in_stock":true},{"title":"2M 15T\/30T \/ 1 pcs","offer_id":52439387799826,"sku":"GYWYPSHXJZC1909x1","price":67.86,"currency_code":"USD","in_stock":true},{"title":"2M 16T\/32T \/ 1 pcs","offer_id":52439387832594,"sku":"GYWYPSHXJZC1910x1","price":78.47,"currency_code":"USD","in_stock":true},{"title":"2M 18T\/36T \/ 1 pcs","offer_id":52439387865362,"sku":"GYWYPSHXJZC1911x1","price":79.4,"currency_code":"USD","in_stock":true},{"title":"2M 20T\/40T \/ 1 pcs","offer_id":52439387898130,"sku":"GYWYPSHXJZC1912x1","price":93.7,"currency_code":"USD","in_stock":true},{"title":"1.5M 15T\/30T \/ 5 pcs","offer_id":52439387930898,"sku":"GYWYPSHXJZC1905x5","price":190.1,"currency_code":"USD","in_stock":true},{"title":"1.5M 16T\/32T \/ 5 pcs","offer_id":52439387963666,"sku":"GYWYPSHXJZC1906x5","price":190.1,"currency_code":"USD","in_stock":true},{"title":"1.5M 18T\/36T \/ 5 pcs","offer_id":52439387996434,"sku":"GYWYPSHXJZC1907x5","price":239.33,"currency_code":"USD","in_stock":true},{"title":"1.5M 20T\/40T \/ 5 pcs","offer_id":52439388029202,"sku":"GYWYPSHXJZC1908x5","price":268.44,"currency_code":"USD","in_stock":true},{"title":"2M 15T\/30T \/ 5 pcs","offer_id":52439388061970,"sku":"GYWYPSHXJZC1909x5","price":331.81,"currency_code":"USD","in_stock":true},{"title":"2M 16T\/32T \/ 5 pcs","offer_id":52439388094738,"sku":"GYWYPSHXJZC1910x5","price":384.58,"currency_code":"USD","in_stock":true},{"title":"2M 18T\/36T \/ 5 pcs","offer_id":52439388127506,"sku":"GYWYPSHXJZC1911x5","price":389.1,"currency_code":"USD","in_stock":true},{"title":"2M 20T\/40T \/ 5 pcs","offer_id":52439388160274,"sku":"GYWYPSHXJZC1912x5","price":460.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_3a39a475-fbba-4d2a-ac8a-f53dbeee97ef.jpg?v=1783412680","url":"https:\/\/homediyer.com\/products\/1-5-2-modulus-1-2-metal-motor-bevel-gears-15-20-tooth-90-pairing-45-steel","provider":"HomeDIYer","version":"1.0","type":"link"}