{"id":9681244291223,"title":"Micro-Bearing Round Over Router Bit, 1\/4SH, 3\/8\" Radius, 2-Flute, Mini 3\/16\" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO 3\/8 radius","handle":"micro-bearing-round-over-router-bit-1-4sh-3-8-radius-2-flute-mini-3-16-bearing-for-small-radius-roundovers-and-edge-breaking-usa-made-us223718ro-3-8-radius","description":"\u003ch3\u003eMicro-Bearing Round Over Router Bit, 1\/4SH, 3\/8\" Radius, 2-Flute, Mini 3\/16\" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eRoundovers that reach where others can’t. Typical 1\/2\" bearing bits stop short\nin tight corners, leaving shoulders and breaks in your softened edges. Ultra-\nShear Micro-Bearing Roundovers are engineered to solve that problem—keeping\nyour edges smooth and continuous throughout the entire project. Available in\n3\/8\", 1\/4\", 3\/16\", 1\/8\" and 1\/16\" radii, these bits let you: Furniture work:\nEase edges cleanly into corners without start-and-stop shoulders.Scroll saw\nand CNC projects: Maintain consistent profiles even in the tightest inside\ncorners. Unlike brass bushings that stick and burn, these are true ball-\nbearing pilots—the same micro-bearings that set Ultra-Shear apart. And with\nmore radius profiles than any other manufacturer, you’ll always have the right\nbit for the job. To further protect your detail work, we added another\ninnovation: a secondary bevel ground at the back of the carbide tip. This\nprovides clearance and significantly reduces burning caused by bevel\nrubbing—so your profiles stay crisp and clean. Made in Strongsville, Ohio,\nevery Ultra-Shear bit is built with: State-of-the-art CNC grinding\nequipmentHighest quality micro-grain and nano-grain carbideUltra-fine grinding\nwheelsSkilled Northeast Ohio machinists Don’t settle for imported shortcuts.\nWith Ultra-Shear, you get American-made precision at an unbeatable price.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSPECS - US223718RO | 3\/8\" Round Over | 1\/4\" Shank | 1\/4\" Cut Diameter | 2 Flute | Carbide Tipped | Micro-Bearing Router Bit | Twin Mini Bearings | USA Made\u003c\/li\u003e\n \u003cli\u003e5 PROFILES - Endless ways to incorporate round-overs into your tight-radius projects, adding depth and a professional touch to toys, coasters, and intricate patterns with small radius corners.\u003c\/li\u003e\n \u003cli\u003eTWIN BALL BEARINGS - The Micro-Bearing Round Over Bits feature two 3\/16\" diameter ball bearings which eliminate the burning caused by other static brass pilots.\u003c\/li\u003e\n \u003cli\u003eBREAK THE EDGE - When routing through a 90-degree inside corner with regular corner round bits, you're left with start-and-stop shoulders. The 3\/32\" radius bearing delivers a flawless edge treatment cut all the way around the corner.\u003c\/li\u003e\n \u003cli\u003eAMERICAN MADE QUALITY - Like all Ultra-Shear Router Bits, the Carbide-Tipped Micro-Bearing Roundover Bits are made in Strongsville, Ohio.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-30T17:42:19+10:00","created_at":"2026-07-27T00:13:47+10:00","vendor":"Ultra-Shear","type":"Edge Treatment \u0026 Grooving Bits","tags":["home_improvement_Aug2026"],"price":20500,"price_min":20500,"price_max":20500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48068576772247,"title":"3\/8 radius","option1":"3\/8 radius","option2":null,"option3":null,"sku":"B0FQY4ZQNL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Micro-Bearing Round Over Router Bit, 1\/4SH, 3\/8\" Radius, 2-Flute, Mini 3\/16\" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO 3\/8 radius - 3\/8 radius","public_title":"3\/8 radius","options":["3\/8 radius"],"price":20500,"weight":340,"compare_at_price":null,"inventory_management":"shopify","barcode":"US223718RO","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0FQY4ZQNL.jpg?v=1785075229","\/\/newnestshop.com\/cdn\/shop\/files\/71MKXG_SkJL.jpg?v=1785075229","\/\/newnestshop.com\/cdn\/shop\/files\/812gf5Fes8L.jpg?v=1785075229","\/\/newnestshop.com\/cdn\/shop\/files\/715J88t2jIL.jpg?v=1785075229","\/\/newnestshop.com\/cdn\/shop\/files\/61uFDz1rQeL.jpg?v=1785075229","\/\/newnestshop.com\/cdn\/shop\/files\/71yTR7s1KBL.jpg?v=1785075229"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FQY4ZQNL.jpg?v=1785075229","options":["Style"],"media":[{"alt":null,"id":42460546236567,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FQY4ZQNL.jpg?v=1785075229"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FQY4ZQNL.jpg?v=1785075229","width":2000},{"alt":null,"id":42460546269335,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71MKXG_SkJL.jpg?v=1785075229"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71MKXG_SkJL.jpg?v=1785075229","width":1200},{"alt":null,"id":42460546302103,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/812gf5Fes8L.jpg?v=1785075229"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/812gf5Fes8L.jpg?v=1785075229","width":1200},{"alt":null,"id":42460546334871,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/715J88t2jIL.jpg?v=1785075229"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/715J88t2jIL.jpg?v=1785075229","width":1200},{"alt":null,"id":42460546367639,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61uFDz1rQeL.jpg?v=1785075229"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61uFDz1rQeL.jpg?v=1785075229","width":1200},{"alt":null,"id":42460546400407,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71yTR7s1KBL.jpg?v=1785075229"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71yTR7s1KBL.jpg?v=1785075229","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMicro-Bearing Round Over Router Bit, 1\/4SH, 3\/8\" Radius, 2-Flute, Mini 3\/16\" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eRoundovers that reach where others can’t. Typical 1\/2\" bearing bits stop short\nin tight corners, leaving shoulders and breaks in your softened edges. Ultra-\nShear Micro-Bearing Roundovers are engineered to solve that problem—keeping\nyour edges smooth and continuous throughout the entire project. Available in\n3\/8\", 1\/4\", 3\/16\", 1\/8\" and 1\/16\" radii, these bits let you: Furniture work:\nEase edges cleanly into corners without start-and-stop shoulders.Scroll saw\nand CNC projects: Maintain consistent profiles even in the tightest inside\ncorners. Unlike brass bushings that stick and burn, these are true ball-\nbearing pilots—the same micro-bearings that set Ultra-Shear apart. And with\nmore radius profiles than any other manufacturer, you’ll always have the right\nbit for the job. To further protect your detail work, we added another\ninnovation: a secondary bevel ground at the back of the carbide tip. This\nprovides clearance and significantly reduces burning caused by bevel\nrubbing—so your profiles stay crisp and clean. Made in Strongsville, Ohio,\nevery Ultra-Shear bit is built with: State-of-the-art CNC grinding\nequipmentHighest quality micro-grain and nano-grain carbideUltra-fine grinding\nwheelsSkilled Northeast Ohio machinists Don’t settle for imported shortcuts.\nWith Ultra-Shear, you get American-made precision at an unbeatable price.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSPECS - US223718RO | 3\/8\" Round Over | 1\/4\" Shank | 1\/4\" Cut Diameter | 2 Flute | Carbide Tipped | Micro-Bearing Router Bit | Twin Mini Bearings | USA Made\u003c\/li\u003e\n \u003cli\u003e5 PROFILES - Endless ways to incorporate round-overs into your tight-radius projects, adding depth and a professional touch to toys, coasters, and intricate patterns with small radius corners.\u003c\/li\u003e\n \u003cli\u003eTWIN BALL BEARINGS - The Micro-Bearing Round Over Bits feature two 3\/16\" diameter ball bearings which eliminate the burning caused by other static brass pilots.\u003c\/li\u003e\n \u003cli\u003eBREAK THE EDGE - When routing through a 90-degree inside corner with regular corner round bits, you're left with start-and-stop shoulders. The 3\/32\" radius bearing delivers a flawless edge treatment cut all the way around the corner.\u003c\/li\u003e\n \u003cli\u003eAMERICAN MADE QUALITY - Like all Ultra-Shear Router Bits, the Carbide-Tipped Micro-Bearing Roundover Bits are made in Strongsville, Ohio.\u003c\/li\u003e\n \u003c\/ul\u003e"}
Micro-Bearing Round Over Router Bit, 1/4SH, 3/8" Radius, 2-Flute, Mini 3/16" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO 3/8 radius
Micro-Bearing Round Over Router Bit, 1/4SH, 3/8" Radius, 2-Flute, Mini 3/16" Bearing for Small Radius Roundovers and Edge Breaking, USA Made - US223718RO
Roundovers that reach where others can’t. Typical 1/2" bearing bits stop short in tight corners, leaving shoulders and breaks in your softened edges. Ultra- Shear Micro-Bearing Roundovers are engineered to solve that problem—keeping your edges smooth and continuous throughout the entire project. Available in 3/8", 1/4", 3/16", 1/8" and 1/16" radii, these bits let you: Furniture work: Ease edges cleanly into corners without start-and-stop shoulders.Scroll saw and CNC projects: Maintain consistent profiles even in the tightest inside corners. Unlike brass bushings that stick and burn, these are true ball- bearing pilots—the same micro-bearings that set Ultra-Shear apart. And with more radius profiles than any other manufacturer, you’ll always have the right bit for the job. To further protect your detail work, we added another innovation: a secondary bevel ground at the back of the carbide tip. This provides clearance and significantly reduces burning caused by bevel rubbing—so your profiles stay crisp and clean. Made in Strongsville, Ohio, every Ultra-Shear bit is built with: State-of-the-art CNC grinding equipmentHighest quality micro-grain and nano-grain carbideUltra-fine grinding wheelsSkilled Northeast Ohio machinists Don’t settle for imported shortcuts. With Ultra-Shear, you get American-made precision at an unbeatable price.
Product Features
- SPECS - US223718RO | 3/8" Round Over | 1/4" Shank | 1/4" Cut Diameter | 2 Flute | Carbide Tipped | Micro-Bearing Router Bit | Twin Mini Bearings | USA Made
- 5 PROFILES - Endless ways to incorporate round-overs into your tight-radius projects, adding depth and a professional touch to toys, coasters, and intricate patterns with small radius corners.
- TWIN BALL BEARINGS - The Micro-Bearing Round Over Bits feature two 3/16" diameter ball bearings which eliminate the burning caused by other static brass pilots.
- BREAK THE EDGE - When routing through a 90-degree inside corner with regular corner round bits, you're left with start-and-stop shoulders. The 3/32" radius bearing delivers a flawless edge treatment cut all the way around the corner.
- AMERICAN MADE QUALITY - Like all Ultra-Shear Router Bits, the Carbide-Tipped Micro-Bearing Roundover Bits are made in Strongsville, Ohio.
Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).
This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.
You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.
