{"product_id":"keihin-jet-drill-set-30pc","title":"0.35mm–1.80mm Keihin Pilot, Slow \u0026 Main Jet Drill Set, 30 Pc Solid Carbide | CDS-K30","description":"\u003ch2\u003e30 Pc Keihin Pilot, Slow \u0026amp; Main Jet Drill Set – 0.35mm to 1.80mm\u003c\/h2\u003e\n\n\u003cp\u003eThis 30-piece \u003cstrong\u003efactory resharpened solid carbide micro drill set\u003c\/strong\u003e combines the full size ranges of the \u003cstrong\u003eCDS-K10 Keihin Pilot \u0026amp; Slow Jet Set\u003c\/strong\u003e and the \u003cstrong\u003eCDS-K20 Keihin Main Jet Set\u003c\/strong\u003e into one complete Keihin-focused assortment.\u003c\/p\u003e\n\n\u003cp\u003eThe set includes \u003cstrong\u003eone drill each from 0.35 mm through 1.80 mm in 0.05 mm increments\u003c\/strong\u003e, providing broad coverage for \u003cstrong\u003eKeihin pilot, slow, and main jet work\u003c\/strong\u003e when the required bore diameter is known.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA practical all-in-one choice for Keihin carburetor jet checking, matching, cleaning, and careful resizing work.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"border: 2px solid #222; background: #fafafa; padding: 16px; margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eHow This 30-Piece Set Is Supplied\u003c\/h3\u003e\n\n\u003cp\u003eThis complete set is supplied as the combination of the two Keihin component sets below:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCDS-K10:\u003c\/strong\u003e 10-piece Keihin Pilot \u0026amp; Slow Jet Drill Set, 0.35 mm–0.80 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCDS-K20:\u003c\/strong\u003e 20-piece Keihin Main Jet Drill Set, 0.85 mm–1.80 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eYou will receive the drills in the indexed storage cases used for those component sets.\u003c\/strong\u003e The case labels may identify the CDS-K10 and CDS-K20 sets rather than CDS-K30.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003eTogether, the included cases contain all \u003cstrong\u003e30 drills\u003c\/strong\u003e in the complete CDS-K30 assortment, with no duplicate sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border: 1px solid #d8d8d8; background: #fafafa; padding: 14px; margin: 18px 0;\"\u003e\n\u003cp style=\"margin-top: 0;\"\u003e\u003cstrong\u003ePrefer a smaller Keihin set?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul style=\"margin-bottom: 12px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed only pilot and slow jet sizes?\u003c\/strong\u003e \u003ca href=\"\/products\/keihin-pilot-slow-jet-drill-set-10pc\" style=\"color: #0066cc; font-weight: bold; text-decoration: underline;\"\u003eView the 10 Pc Keihin Pilot \u0026amp; Slow Jet Drill Set →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed only main jet sizes?\u003c\/strong\u003e \u003ca href=\"\/products\/keihin-main-jet-drill-set-20pc\" style=\"color: #0066cc; font-weight: bold; text-decoration: underline;\"\u003eView the 20 Pc Keihin Main Jet Drill Set →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eNeed help choosing?\u003c\/strong\u003e \u003ca href=\"\/pages\/keihin-carburetor-jet-size-chart-drill-size-guide\" style=\"color: #0066cc; font-weight: bold; text-decoration: underline;\"\u003eView the Keihin Jet Size Chart \u0026amp; Drill Size Guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border: 2px solid #222; background: #fafafa; padding: 16px; margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eComplete Keihin Size Range in One Set\u003c\/h3\u003e\n\n\u003cp\u003eThis 30-piece set combines the smaller pilot\/slow jet range with the larger main jet range:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.35 mm–0.80 mm:\u003c\/strong\u003e selected Keihin pilot and slow jet reference sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.85 mm–1.80 mm:\u003c\/strong\u003e selected Keihin main jet reference sizes\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.05 mm increments throughout the full range\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Keihin uses additional intermediate jet sizes in some jet series. This set is a selected-size assortment and is not intended to represent every Keihin jet number.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eIncluded Sizes – 30 Pieces Total\u003c\/h3\u003e\n\n\u003cp\u003eIncludes \u003cstrong\u003eone drill each\u003c\/strong\u003e of the following metric sizes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e0.35 mm — approx. .0138\"\u003c\/li\u003e\n\u003cli\u003e0.40 mm — approx. .0157\"\u003c\/li\u003e\n\u003cli\u003e0.45 mm — approx. .0177\"\u003c\/li\u003e\n\u003cli\u003e0.50 mm — approx. .0197\"\u003c\/li\u003e\n\u003cli\u003e0.55 mm — approx. .0217\"\u003c\/li\u003e\n\u003cli\u003e0.60 mm — approx. .0236\"\u003c\/li\u003e\n\u003cli\u003e0.65 mm — approx. .0256\"\u003c\/li\u003e\n\u003cli\u003e0.70 mm — approx. .0276\"\u003c\/li\u003e\n\u003cli\u003e0.75 mm — approx. .0295\"\u003c\/li\u003e\n\u003cli\u003e0.80 mm — approx. .0315\"\u003c\/li\u003e\n\u003cli\u003e0.85 mm — approx. .0335\"\u003c\/li\u003e\n\u003cli\u003e0.90 mm — approx. .0354\"\u003c\/li\u003e\n\u003cli\u003e0.95 mm — approx. .0374\"\u003c\/li\u003e\n\u003cli\u003e1.00 mm — approx. .0394\"\u003c\/li\u003e\n\u003cli\u003e1.05 mm — approx. .0413\"\u003c\/li\u003e\n\u003cli\u003e1.10 mm — approx. .0433\"\u003c\/li\u003e\n\u003cli\u003e1.15 mm — approx. .0453\"\u003c\/li\u003e\n\u003cli\u003e1.20 mm — approx. .0472\"\u003c\/li\u003e\n\u003cli\u003e1.25 mm — approx. .0492\"\u003c\/li\u003e\n\u003cli\u003e1.30 mm — approx. .0512\"\u003c\/li\u003e\n\u003cli\u003e1.35 mm — approx. .0531\"\u003c\/li\u003e\n\u003cli\u003e1.40 mm — approx. .0551\"\u003c\/li\u003e\n\u003cli\u003e1.45 mm — approx. .0571\"\u003c\/li\u003e\n\u003cli\u003e1.50 mm — approx. .0591\"\u003c\/li\u003e\n\u003cli\u003e1.55 mm — approx. .0610\"\u003c\/li\u003e\n\u003cli\u003e1.60 mm — approx. .0630\"\u003c\/li\u003e\n\u003cli\u003e1.65 mm — approx. .0650\"\u003c\/li\u003e\n\u003cli\u003e1.70 mm — approx. .0669\"\u003c\/li\u003e\n\u003cli\u003e1.75 mm — approx. .0689\"\u003c\/li\u003e\n\u003cli\u003e1.80 mm — approx. .0709\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e30 drills total — one of each listed size\u003c\/li\u003e\n\u003cli\u003eFactory resharpened solid carbide\u003c\/li\u003e\n\u003cli\u003eMetric cutting diameters from 0.35 mm through 1.80 mm\u003c\/li\u003e\n\u003cli\u003eSizes increase in 0.05 mm increments\u003c\/li\u003e\n\u003cli\u003eStandard 1\/8\" (3.175 mm) shank\u003c\/li\u003e\n\u003cli\u003eApproximately 1.50\" overall length\u003c\/li\u003e\n\u003cli\u003eSupplied in the indexed storage cases used for the CDS-K10 and CDS-K20 component sets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eKeihin pilot jet work\u003c\/li\u003e\n\u003cli\u003eKeihin slow jet work\u003c\/li\u003e\n\u003cli\u003eKeihin main jet work\u003c\/li\u003e\n\u003cli\u003eChecking and matching jet orifice sizes\u003c\/li\u003e\n\u003cli\u003eCareful cleaning of brass carburetor jets\u003c\/li\u003e\n\u003cli\u003eControlled jet resizing when the required bore diameter is known\u003c\/li\u003e\n\u003cli\u003eMotorcycle, ATV, scooter, dirt bike, kart, go-kart, and small-engine carburetor work\u003c\/li\u003e\n\u003cli\u003eOther precision fuel-metering applications using compatible bore sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFactory Resharpened Solid Carbide\u003c\/h3\u003e\n\n\u003cp\u003eThese are professional-grade \u003cstrong\u003esolid carbide micro drills\u003c\/strong\u003e that have been factory resharpened, providing a cost-effective alternative to new carbide drills.\u003c\/p\u003e\n\n\u003cp\u003eThe full 1\/8\" shanks provide substantially greater rigidity than lightweight wire-style hobby drill assortments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThese are not new drills.\u003c\/strong\u003e They are factory resharpened tools that have been prepared for continued precision use.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Use Information\u003c\/h3\u003e\n\n\u003cp\u003eSolid carbide is extremely hard and wear resistant, but it is also brittle. Use a pin vise, drill press, milling machine, micro-drill fixture, or other controlled holder that keeps the drill straight.\u003c\/p\u003e\n\n\u003cp\u003eAvoid side pressure, bending, or forcing the drill. These tools are intended for careful precision work rather than flexible hand drilling.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Keihin Jet Note\u003c\/h3\u003e\n\n\u003cp\u003eKeihin jet numbering varies by jet type and series, and not every Keihin jet size is included in this set.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVerify the actual jet type and required bore diameter before drilling.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDrilling a jet is a permanent modification. Increase the opening gradually. Fuel flow can also be affected by the shape, length, entry, exit, and finish of the metering passage, not only its diameter.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre these new drills?\u003c\/strong\u003e\u003cbr\u003e\nNo. They are factory resharpened solid carbide drills.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat sizes are included?\u003c\/strong\u003e\u003cbr\u003e\nOne drill each from 0.35 mm through 1.80 mm in 0.05 mm increments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this the combination of the 10-piece and 20-piece Keihin sets?\u003c\/strong\u003e\u003cbr\u003e\nYes. The CDS-K30 combines the full size ranges of the CDS-K10 and CDS-K20 sets with no duplicate drill sizes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy do the storage cases have different set names?\u003c\/strong\u003e\u003cbr\u003e\nThe CDS-K30 is supplied using the indexed cases from the CDS-K10 and CDS-K20 component sets. The case labels may show those individual set names rather than CDS-K30. Together, the cases contain all 30 drills included in the complete set.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this set include every Keihin jet size?\u003c\/strong\u003e\u003cbr\u003e\nNo. Keihin uses additional intermediate sizes in some jet series. This set covers thirty selected metric reference sizes from 0.35 mm through 1.80 mm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan these be used by hand?\u003c\/strong\u003e\u003cbr\u003e\nYes, carefully in a pin vise or other controlled holder. Because solid carbide is brittle, keep the drill straight and avoid side loading.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill this set work with every Keihin carburetor?\u003c\/strong\u003e\u003cbr\u003e\nNot necessarily. Keihin carburetors use multiple jet types and size ranges. Confirm the jet type and required diameter before purchasing or modifying a jet.\u003c\/p\u003e","brand":"Drill Bits Unlimited","offers":[{"title":"Default Title","offer_id":67618980724965,"sku":"CDS-K30","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3082\/2885\/files\/KeihinCompleteSet_8701d790-38ca-4c01-8310-6a72d5b1c35b.png?v=1791302551","url":"https:\/\/drillbitsunlimited.com\/products\/keihin-jet-drill-set-30pc","provider":"Drill Bits Unlimited","version":"1.0","type":"link"}