{"product_id":"0-0472-1-20mm-3-64-x-256-loc-chip-breaker-carbide-router-drill-point-tip-1-8-shank-r154b","title":"0.0472\" (3\/64\") x .256\" LOC 1.20mm Chip Breaker PCB Router, Fish Tail, 1\/8\" Shank | R154B","description":"\u003cp\u003e\nThis \u003cstrong\u003e0.0472\" (1.20mm \/ 3\/64\") chip breaker carbide router\u003c\/strong\u003e features a \n\u003cstrong\u003e.256\" length of cut (LOC)\u003c\/strong\u003e, \n\u003cstrong\u003e1-1\/2\" overall length\u003c\/strong\u003e, \n\u003cstrong\u003e1\/8\" shank\u003c\/strong\u003e, and a \n\u003cstrong\u003efish tail tip\u003c\/strong\u003e. Designed for precision routing of printed circuit boards and abrasive sheet materials, it is well suited for FR-4, G10, fiberglass, phenolic laminates, carbon fiber, and other reinforced composites.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003echip breaker up-cut geometry\u003c\/strong\u003e combines an aggressive cutting action with ample flute space for efficient chip and swarf removal. This helps clear debris from the cutting path, reduce clogging, and maintain consistent cutting performance in abrasive laminate and composite materials.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003efish tail tip\u003c\/strong\u003e provides end-cutting capability while helping reduce \u003cstrong\u003ebackside breakout and splintering\u003c\/strong\u003e as the router exits through sheet material. This makes it particularly useful for PCB depaneling, cutouts, slots, internal contours, and through-routing where edge quality on the underside of the material is important.\n\u003c\/p\u003e\n\n\u003cp\u003e\nKyocera's chip breaker up-cut router geometry is designed to provide a \u003cstrong\u003eclean edge finish on both internal and external cuts\u003c\/strong\u003e. The upward cutting action also helps move chips and routing debris away from the cutting area during machining.\n\u003c\/p\u003e\n\n\u003cp\u003e\nNot sure whether a chip breaker or diamond flute router is right for your application?\n\u003ca href=\"\/pages\/chip-breaker-vs-diamond-flute-pcb-routers\" style=\"color: #1a73e8; text-decoration: underline; font-weight: 600;\"\u003e\nCompare chip breaker vs diamond flute routers →\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor extended tool life in highly abrasive materials, explore our\n\u003ca href=\"\/collections\/diamond-coated-routers\" style=\"color: #1a73e8; text-decoration: underline; font-weight: 600;\"\u003e\ndiamond-coated (PCD) routers →\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 10px;\"\u003e\n\u003ca href=\"\/pages\/chip-breaker-router-feed-speed-chart\" rel=\"noopener noreferrer\" style=\"display: inline-block; font-size: 16px !important; color: #0a66c2 !important; font-weight: 600; text-decoration: underline;\" target=\"_blank\"\u003e\n👉 View Chip Breaker Router Feed \u0026amp; Speed Chart\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePCB depaneling and board-outline routing\u003c\/li\u003e\n\u003cli\u003eFR-4 and G10 routing\u003c\/li\u003e\n\u003cli\u003eInternal and external contour cutting\u003c\/li\u003e\n\u003cli\u003eSlots and cutouts in fiberglass laminates\u003c\/li\u003e\n\u003cli\u003ePhenolic laminate machining\u003c\/li\u003e\n\u003cli\u003eCarbon fiber and reinforced composite routing\u003c\/li\u003e\n\u003cli\u003eThrough-cutting abrasive sheet materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFish tail tip helps reduce backside breakout and splintering in through-cuts\u003c\/li\u003e\n\u003cli\u003eEnd-cutting fish tail geometry allows plunge entry and contour routing\u003c\/li\u003e\n\u003cli\u003eChip breaker grind provides aggressive cutting with efficient swarf removal\u003c\/li\u003e\n\u003cli\u003eUp-cut geometry helps evacuate chips and debris from the cutting path\u003c\/li\u003e\n\u003cli\u003eDesigned for clean edge finish on both internal and external cuts\u003c\/li\u003e\n\u003cli\u003e.256\" LOC provides up to approximately 6.5mm of usable cutting length\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction provides excellent wear resistance in abrasive materials\u003c\/li\u003e\n\u003cli\u003e1\/8\" shank fits many precision CNC routers and PCB routing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTool Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbide Router\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGeometry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChip Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTip Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFish Tail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp Cut \/ Updraft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0472\" (1.20mm \/ 3\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength of Cut (LOC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.256\" (6.50mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid Tungsten Carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Drill Bits Unlimited","offers":[{"title":"Default Title","offer_id":52678072271077,"sku":"R154B","price":4.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3082\/2885\/files\/r154B-gallery.jpg?v=1788193218","url":"https:\/\/drillbitsunlimited.com\/products\/0-0472-1-20mm-3-64-x-256-loc-chip-breaker-carbide-router-drill-point-tip-1-8-shank-r154b","provider":"Drill Bits Unlimited","version":"1.0","type":"link"}