{"product_id":"accupro-a-6120185r-no-49-micro-drill-bit-solid-carbide","title":"Accupro A-6120185R No. 49 Micro Drill Bit Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO A-6120185R is a solid carbide micro drill bit designed for precision drilling in tight-tolerance applications. It carries a No. 49 wire gauge designation with a decimal inch equivalent of 0.0728 inches and a metric diameter of 1.85 mm. The 120-degree point angle delivers clean entry geometry suited for harder materials and minimizes walking on entry. A spiral flute with a regular helix promotes chip evacuation in shallow-to-moderate depth holes. This bit is part of ACCUPRO's Miniature Series and is installed by machinists, toolmakers, and precision fabricators working in metal, printed circuit board, and tight-tolerance assembly environments.\u003c\/p\u003e\u003cp\u003eThis bit fits applications where small-diameter through-holes or blind holes are required in production or repair settings. The bright, uncoated finish makes it appropriate for use in a range of base materials where coating buildup could affect hole diameter tolerances. The straight-cylindrical shank with a 2.00 mm diameter seats directly into standard collets and chucks compatible with that shank size. Overall length is 38.00 mm, with a flute length of 8.40 mm, keeping the tool compact and rigid for micro-drilling work.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNo. 49 wire size — 1.85 mm (0.0728 inches) cutting diameter for precision small-hole work\u003c\/li\u003e\n\u003cli\u003e120-degree standard point angle for accurate entry and reduced deflection\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in hard materials\u003c\/li\u003e\n\u003cli\u003eSpiral flute with regular helix for consistent chip evacuation\u003c\/li\u003e\n\u003cli\u003eBright, uncoated finish — no coating buildup affecting hole diameter\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical 2.00 mm shank for direct collet or chuck mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or production consumable for use in CNC machining centers, drill presses, and hand-held precision drilling equipment accepting a 2.00 mm straight-cylindrical shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstall by a qualified machinist or toolmaker using a collet or drill chuck rated for the 2.00 mm shank diameter. Ensure the spindle is fully stopped and the machine is powered down or in a safe locked-out state before changing tooling. Do not exceed the recommended spindle speed range for the workpiece material and bit diameter. Micro drill bits are brittle — avoid side loading, misalignment, or using the bit to ream or enlarge an existing hole.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: No. 49\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.0728 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (mm)\u003c\/strong\u003e: 1.85 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\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\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 8.40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 38.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 2.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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 Dimensions\u003c\/strong\u003e: 1.75 inches L x 2.25 inches W x 0.25 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241600\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-6120185R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51736262148402,"sku":"A-6120185R","price":285.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4a569565061c371beddd8f9cbbc93c4b.jpg?v=1788776817","url":"https:\/\/voomisupply.com\/products\/accupro-a-6120185r-no-49-micro-drill-bit-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}