{"product_id":"50pc-carbide-micro-drill-set-0280-0330-s5a","title":".0280\"–.0330\" Carbide Micro Drill Set, 50 Pc, 5 Sizes, 10 Each, 1\/8\" Shank | S5A","description":"\u003ch2\u003e50-Piece Solid Carbide Micro Drill Bit Set – .0280\" to .0330\"\u003c\/h2\u003e\n\n\u003cp\u003e\nThis \u003cstrong\u003e50-piece solid carbide micro drill bit set\u003c\/strong\u003e includes\n\u003cstrong\u003e10 drills each of 5 precision sizes\u003c\/strong\u003e ranging from\n\u003cstrong\u003e.0280\" through .0330\"\u003c\/strong\u003e. The concentrated size range is useful for PCB drilling,\nelectronics work, CNC machining, prototyping, model making, precision repair, and other\nsmall-hole drilling applications where replacement drills in several closely spaced sizes are helpful.\n\u003c\/p\u003e\n\n\u003cp\u003e\nUse the option selector to choose between \u003cstrong\u003eLightly Used Drills\u003c\/strong\u003e and\n\u003cstrong\u003eFactory-Resharpened Drills\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eLightly Used Drills:\u003c\/strong\u003e Previously used drills showing limited wear and offered as an economical tooling option.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eFactory-Resharpened Drills:\u003c\/strong\u003e Professionally resharpened drills with cutting edges restored to like-new cutting condition.\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIncluded Sizes – 50 Pieces Total\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; min-width:520px;\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border:1px solid #d8d8d8; background:#f3f3f3;\"\u003eQuantity\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border:1px solid #d8d8d8; background:#f3f3f3;\"\u003eDiameter\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border:1px solid #d8d8d8; background:#f3f3f3;\"\u003eMetric \/ Number Size\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e.0280\"\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e0.70 mm \/ #70\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e.0292\"\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e0.75 mm \/ #69\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e.0312\"\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e1\/32\" \/ 0.80 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e.0320\"\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e0.80 mm \/ #67\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e.0330\"\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #d8d8d8;\"\u003e0.85 mm \/ #66\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal quantity:\u003c\/strong\u003e 50 drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of sizes:\u003c\/strong\u003e 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per size:\u003c\/strong\u003e 10 drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter range:\u003c\/strong\u003e .0280\" to .0330\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Solid carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank diameter:\u003c\/strong\u003e 1\/8\" (3.175 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e Approximately 1.50\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition options:\u003c\/strong\u003e Lightly Used or Factory Resharpened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal set number:\u003c\/strong\u003e S5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePCB and circuit-board drilling\u003c\/li\u003e\n  \u003cli\u003eElectronics prototyping and repair\u003c\/li\u003e\n  \u003cli\u003ePrecision CNC drilling\u003c\/li\u003e\n  \u003cli\u003eModel making and hobby machining\u003c\/li\u003e\n  \u003cli\u003eSmall-hole drilling in plastics, composites, brass, aluminum, and other suitable materials\u003c\/li\u003e\n  \u003cli\u003eMaintaining replacement drills in several closely spaced micro sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTen drills of each size provide useful replacements for production or repeated work\u003c\/li\u003e\n  \u003cli\u003eClosely grouped sizes from .0280\" through .0330\"\u003c\/li\u003e\n  \u003cli\u003eIncludes metric, numbered, decimal-inch, and fractional size references\u003c\/li\u003e\n  \u003cli\u003eStandard 1\/8\" shanks fit many PCB drill holders, CNC collets, and precision setups\u003c\/li\u003e\n  \u003cli\u003eChoice of economical lightly used drills or factory-resharpened drills\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size:13px; color:#666; margin-top:14px;\"\u003e\nBecause these drills are lightly used or factory resharpened, flute lengths, point geometry,\nring colors, manufacturers, and cosmetic appearance may vary. The listed cutting diameters\nand quantities define the included assortment.\n\u003c\/p\u003e\n\n\u003ch3\u003eImportant Use Note\u003c\/h3\u003e\n\n\u003cp\u003e\nSolid carbide drills are rigid and wear resistant, but they are also brittle. Use a stable,\nlow-runout holder such as a CNC spindle, drill press, mill, micro-drill fixture, or other\ncontrolled setup. Keep the drill aligned with the work and avoid side pressure, bending,\nor forcing the tool.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/pages\/carbide-drill-feed-speed-starting-guide\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block; font-size:16px !important; color:#0a66c2 !important; font-weight:600; text-decoration:underline;\"\u003e\n    👉 View Carbide Drill Bit Feed \u0026amp; Speed Starting Guide\n  \u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f5f5f5; border:1px solid #ddd; padding:14px; margin-top:18px; border-radius:6px;\"\u003e\n  \u003cstrong\u003eNeed individual carbide drill sizes instead?\u003c\/strong\u003e\u003cbr\u003e\n  Browse our\n  \u003ca href=\"https:\/\/drillbitsunlimited.com\/collections\/carbide-drill-bits-choose-your-size-and-quantities\" style=\"color:#0066cc; font-weight:bold; text-decoration:underline;\"\u003e\n    individual carbide drill bit sizes →\n  \u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f5f5f5; border:1px solid #ddd; padding:14px; margin-top:14px; border-radius:6px;\"\u003e\n  \u003cstrong\u003eLooking for other drill variety sets?\u003c\/strong\u003e\u003cbr\u003e\n  View all\n  \u003ca href=\"https:\/\/drillbitsunlimited.com\/collections\/all-drill-variety-sets\" style=\"color:#0066cc; font-weight:bold; text-decoration:underline;\"\u003e\n    carbide drill variety sets →\n  \u003c\/a\u003e\n\u003c\/div\u003e","brand":"Drill Bits Unlimted","offers":[{"title":"Lightly Used Drills","offer_id":43763334152421,"sku":"S5A-LU","price":29.0,"currency_code":"USD","in_stock":true},{"title":"Resharpened Drills","offer_id":43763334185189,"sku":"S5A-RS","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3082\/2885\/files\/s5a-gallery.jpg?v=1780939245","url":"https:\/\/drillbitsunlimited.com\/products\/50pc-carbide-micro-drill-set-0280-0330-s5a","provider":"Drill Bits Unlimited","version":"1.0","type":"link"}