{"product_id":"ingco-aksds80402-3-piece-hss4341-step-drill-bit-set-4-12-4-20-4-32mm-hex-shank","title":"INGCO AKSDS80402 3-Piece HSS4341 Step Drill Bit Set 4-12 \/ 4-20 \/ 4-32mm Hex Shank","description":"\u003ch2\u003eINGCO AKSDS80402 – 3-Piece HSS4341 Step Drill Bit Set with Hex Shank\u003c\/h2\u003e\u003cp\u003eThe INGCO AKSDS80402 is a professional 3-piece HSS4341 step drill bit set for drilling clean, burr-free holes in sheet metal, thin stainless steel (INOX), aluminium, plastics, and timber. All three bits feature a hex shank for quick-change compatibility with impact drivers and drill chucks. The titanium-coated HSS4341 steel construction delivers superior hardness, heat resistance, and long service life. The 2mm step increments allow precise hole sizing without requiring pilot holes or multiple drill changes. Packed in double blister.\u003c\/p\u003e\u003ch3\u003eWhat’s in the Set\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Step Drill Bit: 4–12mm\u003c\/strong\u003e – 2mm steps – Hex Shank – 5 steps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Step Drill Bit: 4–20mm\u003c\/strong\u003e – 2mm steps – Hex Shank – 9 steps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Step Drill Bit: 4–32mm\u003c\/strong\u003e – 2mm steps – Hex Shank – 15 steps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSS4341 Material\u003c\/strong\u003e – High-speed steel with cobalt content for superior hardness, toughness, and heat resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium (TiN) Coating\u003c\/strong\u003e – Reduces friction, increases surface hardness, and extends bit life compared to uncoated HSS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Shank\u003c\/strong\u003e – Quick-change compatible with impact drivers, drill chucks, and hex bit holders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2mm Step Increments\u003c\/strong\u003e – Drill precise hole sizes from 4mm to 32mm without pilot holes or multiple bit changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Hole Edges\u003c\/strong\u003e – Step geometry produces clean, burr-free holes in sheet metal and thin materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Pilot Hole Required\u003c\/strong\u003e – Self-starting tip drills directly into sheet metal without centre punching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Piece Set\u003c\/strong\u003e – Covers 4–32mm in a single set for a full range of hole sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eElectrical panel and switchboard knockouts\u003c\/li\u003e\n\u003cli\u003eSheet metal and thin plate hole drilling\u003c\/li\u003e\n\u003cli\u003eThin stainless steel (INOX) drilling\u003c\/li\u003e\n\u003cli\u003eAluminium and copper sheet drilling\u003c\/li\u003e\n\u003cli\u003ePlastic enclosure and junction box drilling\u003c\/li\u003e\n\u003cli\u003eCable conduit entry hole drilling\u003c\/li\u003e\n\u003cli\u003eAutomotive bodywork and chassis drilling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e AKSDS80402\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e INGCO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Contents:\u003c\/strong\u003e 3 Step Drill Bits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS4341 (Titanium Coated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e Hex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep Increment:\u003c\/strong\u003e 2mm per step\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit 1:\u003c\/strong\u003e 4–12mm (5 steps)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit 2:\u003c\/strong\u003e 4–20mm (9 steps)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit 3:\u003c\/strong\u003e 4–32mm (15 steps)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Double Blister\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"INGCO","offers":[{"title":"Default Title","offer_id":46549262729313,"sku":"INGCO-AKSDS80402","price":2000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/5731\/6193\/files\/image_b75e29a6-6318-4e15-9462-fa4decdab0ff.png?v=1789323282","url":"https:\/\/anandhhardwares.in\/products\/ingco-aksds80402-3-piece-hss4341-step-drill-bit-set-4-12-4-20-4-32mm-hex-shank","provider":"Anandh Hardwares","version":"1.0","type":"link"}