{"title":"Step \u0026 Cone Drill Bits","description":"\u003cp\u003eStep and cone drill bits let one bit drill a range of hole sizes, and this guide explains how they work and when to use them.\u003c\/p\u003e\n\u003cp\u003eHow a stepped drill works — A stepped bit is machined into progressively larger diameters up its length, so pushing it further through the material opens the hole to a bigger size. One bit covers many hole sizes, which saves swapping drills and keeps a set compact. The stepped point is self-starting and needs no pilot hole in thinner material.\u003c\/p\u003e\n\u003cp\u003eWhat they suit — Step and cone drills are at their best in sheet metal, panels, box section and plastics, where they cut clean round holes and deburr the edge as they go. They are the quick way to open cable-gland, grommet and fixing holes to size. They are intended for thinner materials rather than deep holes in solid stock, where a standard twist drill is the right tool.\u003c\/p\u003e\n\u003cp\u003eGetting a clean result — Run at a steady speed, ease off as the bit breaks through, and use a cutting lubricant on metal. Working up one step at a time gives the cleanest hole and protects the cutting edges.\u003c\/p\u003e\n\u003cp\u003eFor the full range of high speed steel drills, see our HSS Drill Bits collection.\u003c\/p\u003e\n\u003cp\u003eOrder before our daily cut-off for fast UK dispatch.\u003c\/p\u003e","products":[{"product_id":"40-piece-assorted-superseal-connector-kit-waterproof-electrical-wiring-set-0-5-1-5mm-copy","title":"Conecut \u0026 Multi-Cut Stepped Drill Bits (3–30mm) – Taper Drills | 6542 Steel","description":"\u003cp data-start=\"377\" data-end=\"453\"\u003e\u003cstrong data-start=\"377\" data-end=\"453\"\u003eHigh-Quality Conecut \u0026amp; Multi-Cut Stepped Drills for Thin Sheet Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"455\" data-end=\"626\"\u003eThese \u003cstrong data-start=\"461\" data-end=\"505\"\u003eConecut and Multi-Cut stepped drill bits\u003c\/strong\u003e are manufactured from \u003cstrong data-start=\"528\" data-end=\"548\"\u003e6542 grade steel\u003c\/strong\u003e, delivering excellent durability, cutting performance, and long service life.\u003c\/p\u003e\n\u003cp data-start=\"628\" data-end=\"899\"\u003eDesigned specifically for \u003cstrong data-start=\"654\" data-end=\"688\"\u003emachining thin sheet materials\u003c\/strong\u003e, these drills are also ideal for use on \u003cstrong data-start=\"729\" data-end=\"764\"\u003enon-ferrous metals and plastics\u003c\/strong\u003e. The stepped taper design allows multiple hole sizes to be drilled using a single bit, reducing tool changes and improving efficiency.\u003c\/p\u003e\n\u003cp data-start=\"901\" data-end=\"1014\"\u003eAvailable in a range of \u003cstrong data-start=\"925\" data-end=\"959\"\u003eshank sizes and cutting ranges\u003c\/strong\u003e, suitable for professional and DIY applications alike.\u003c\/p\u003e\n\u003ch2 data-start=\"1021\" data-end=\"1048\"\u003e🔴 \u003cstrong data-start=\"1027\" data-end=\"1048\"\u003eProduct Features:\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"1051\" data-end=\"1107\"\u003e\u003cstrong data-start=\"1051\" data-end=\"1066\"\u003eDrill Type:\u003c\/strong\u003e Conecut \/ Multi-Cut stepped drill bits\u003c\/p\u003e\n\u003cp data-start=\"1110\" data-end=\"1142\"\u003e\u003cstrong data-start=\"1110\" data-end=\"1123\"\u003eMaterial:\u003c\/strong\u003e 6542 grade steel\u003c\/p\u003e\n\u003cp data-start=\"1145\" data-end=\"1191\"\u003e\u003cstrong data-start=\"1145\" data-end=\"1164\"\u003eCutting Design:\u003c\/strong\u003e Stepped taper, multi-cut\u003c\/p\u003e\n\u003cp data-start=\"1194\" data-end=\"1254\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1210\"\u003eApplication:\u003c\/strong\u003e Thin sheet, non-ferrous metals \u0026amp; plastics\u003c\/p\u003e\n\u003cp data-start=\"1257\" data-end=\"1301\"\u003e\u003cstrong data-start=\"1257\" data-end=\"1268\"\u003eFinish:\u003c\/strong\u003e Precision-ground cutting edges\u003c\/p\u003e\n\u003ch2 data-start=\"1308\" data-end=\"1357\"\u003e📏 \u003cstrong data-start=\"1314\" data-end=\"1357\"\u003eAvailable Sizes (Select from Dropdown):\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003ch3 data-start=\"1359\" data-end=\"1387\"\u003e\u003cstrong data-start=\"1363\" data-end=\"1387\"\u003eConecut Taper Drills\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1388\" data-end=\"1484\"\u003e\n\u003cli data-start=\"1388\" data-end=\"1419\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1419\"\u003e\u003cstrong data-start=\"1390\" data-end=\"1404\"\u003e6mm Shank:\u003c\/strong\u003e 3–14mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1420\" data-end=\"1451\"\u003e\n\u003cp data-start=\"1422\" data-end=\"1451\"\u003e\u003cstrong data-start=\"1422\" data-end=\"1436\"\u003e8mm Shank:\u003c\/strong\u003e 8–20mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1452\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1454\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1454\" data-end=\"1468\"\u003e9mm Shank:\u003c\/strong\u003e 16–30mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1486\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1518\"\u003eMulti-Cut Stepped Drills\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1519\" data-end=\"1615\"\u003e\n\u003cli data-start=\"1519\" data-end=\"1550\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1550\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1535\"\u003e6mm Shank:\u003c\/strong\u003e 4–12mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1551\" data-end=\"1582\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1582\"\u003e\u003cstrong data-start=\"1553\" data-end=\"1567\"\u003e8mm Shank:\u003c\/strong\u003e 4–20mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1583\" data-end=\"1615\"\u003e\n\u003cp data-start=\"1585\" data-end=\"1615\"\u003e\u003cstrong data-start=\"1585\" data-end=\"1600\"\u003e10mm Shank:\u003c\/strong\u003e 6–30mm range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1622\" data-end=\"1641\"\u003e✅ \u003cstrong data-start=\"1627\" data-end=\"1641\"\u003eIdeal For:\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"1644\" data-end=\"1670\"\u003eSheet metal \u0026amp; thin steel\u003c\/p\u003e\n\u003cp data-start=\"1673\" data-end=\"1708\"\u003eAluminium \u0026amp; non-ferrous materials\u003c\/p\u003e\n\u003cp data-start=\"1711\" data-end=\"1727\"\u003ePlastics \u0026amp; PVC\u003c\/p\u003e\n\u003cp data-start=\"1730\" data-end=\"1762\"\u003eElectrical panels \u0026amp; enclosures\u003c\/p\u003e\n\u003cp data-start=\"1765\" data-end=\"1805\"\u003eAutomotive, fabrication \u0026amp; workshop use\u003c\/p\u003e\n\u003ch2 data-start=\"1812\" data-end=\"1838\"\u003e⚠️ \u003cstrong data-start=\"1818\" data-end=\"1838\"\u003eImportant Notes:\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"1841\" data-end=\"1895\"\u003eUse cutting oil when drilling metal for best results\u003c\/p\u003e\n\u003cp data-start=\"1898\" data-end=\"1931\"\u003eNot suitable for hardened steel\u003c\/p\u003e\n\u003cp data-start=\"1934\" data-end=\"1979\"\u003eAlways use correct drill speed and pressure\u003c\/p\u003e\n\u003ch2 data-start=\"1986\" data-end=\"2041\"\u003e🚚 \u003cstrong data-start=\"1992\" data-end=\"2041\"\u003eFast UK Dispatch – Flexible Delivery Options:\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"2235\" data-end=\"2286\"\u003eSame day dispatch on orders placed before 1pm\u003c\/p\u003e\n\u003cp data-start=\"2289\" data-end=\"2335\"\u003eVAT invoice included with every purchase\u003c\/p\u003e","brand":"DH \u0026 JS Trading Ltd","offers":[{"title":"6mm Shank (3-14mm) Range \/ Conecuts Tape Drills","offer_id":56506956743034,"sku":"CC10","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"8mm Shank (8-20mm) Range \/ Conecuts Tape Drills","offer_id":56506959888762,"sku":"CC11","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"9mm Shank (16-30mm) Range \/ Conecuts Tape Drills","offer_id":56506959921530,"sku":"CC12","price":31.99,"currency_code":"GBP","in_stock":true},{"title":"6mm Shank (4-12mm) Range \/ Multi-Cuts Stepped Drills","offer_id":56506970145146,"sku":"MCC10","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"8mm Shank (4-20mm) Range \/ Multi-Cuts Stepped Drills","offer_id":56506970210682,"sku":"MCC11","price":19.99,"currency_code":"GBP","in_stock":true},{"title":"10mm Shank (6-30mm) Range \/ Multi-Cuts Stepped Drills","offer_id":56506970276218,"sku":"MCC12","price":41.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2239\/6850\/files\/Conecut_Multi-Cut.jpg?v=1770385116"}],"url":"https:\/\/www.dhjstrading.com\/collections\/step-cone-drill-bits.oembed","provider":"DH \u0026 JS Trading Ltd","version":"1.0","type":"link"}