{"product_id":"accupro-a-6120129r-micro-drill-bit-1-29-mm-solid-carbide","title":"Accupro A-6120129R Micro Drill Bit 1.29 Mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO A-6120129R is a solid carbide micro drill bit designed for precision drilling in small-diameter applications. With a 1.29 mm cutting diameter (0.0508 inches) and a 120-degree point angle, this bit delivers accurate starts and clean entry holes in tight-tolerance work. The bright\/uncoated finish is suitable for use across a range of materials where additional coatings are not required. At 30 mm overall length with a 6 mm flute length, this is a compact tool built for controlled, shallow-depth micro drilling. Machinists, tool-and-die professionals, and precision fabricators working with CNC machines, drill presses, or manual spindles are the primary users.\u003c\/p\u003e\u003cp\u003eThis micro drill bit fits residential and commercial precision machining applications where small-diameter holes are required. Typical use cases include circuit board fabrication, instrument components, watch parts, medical device manufacturing, and other fine-detail drilling tasks. The miniature series designation indicates this bit is engineered for sub-2 mm work where standard drill geometry would be inappropriate. Right-hand spiral flute geometry promotes efficient chip evacuation during drilling operations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in micro-diameter drilling\u003c\/li\u003e\n\u003cli\u003e1.29 mm cutting diameter with a 1.50 mm straight-cylindrical shank for secure chuck engagement\u003c\/li\u003e\n\u003cli\u003e120-degree standard point angle for accurate hole entry and reduced walking\u003c\/li\u003e\n\u003cli\u003eBright\/uncoated finish — no additional coating buildup to affect tight dimensional tolerances\u003c\/li\u003e\n\u003cli\u003eRegular spiral flute design promotes chip clearing in short-flute micro applications\u003c\/li\u003e\n\u003cli\u003eRight-hand cut direction compatible with standard CNC and manual spindle rotation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in CNC machining centers, drill presses, and precision hand spindles accepting a 1.50 mm straight-cylindrical shank. Suitable for micro-drilling operations in the miniature drill bit size range.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of this tool should be performed by qualified machinists familiar with micro-diameter tooling. Ensure the spindle and collet or chuck are clean and free of debris before seating the shank, as runout in the holder is amplified at sub-2 mm diameters. Power down the machine completely before changing tooling. Use appropriate spindle speeds for the workpiece material and bit diameter — consult the machine manufacturer and cutting data references for correct RPM and feed rate ranges.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.29 mm (0.0508 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral (Regular)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: A-6120129R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51753391653170,"sku":"A-6120129R","price":223.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/350c022735ccf83477028754a0b038db.jpg?v=1788936176","url":"https:\/\/voomisupply.com\/products\/accupro-a-6120129r-micro-drill-bit-1-29-mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}