{"product_id":"hss-step-drill-bit-set-57043","title":"3Pcs HSS Straight Groove Step Drill Bit 3-12mm 4-12mm 4-20mm Nitride Black Hex Wood Metal Hole Cutter Core Drilling Tools Set","description":"\u003cp\u003eAzabooti presents the hss step drill bit for multi material use. This drill bit set covers wood, metal, and more with stable, clean cuts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnlock precise, clean holes with less effort\u003c\/strong\u003e. This 3-piece HSS Straight Groove Step Drill Bit set is designed to deliver fast, smooth drilling across multiple materials, including wood, aluminum, plastic boards, and more. The progressive step design lets you drill holes of different diameters with a single bit, reducing bit changes and increasing your workflow efficiency. Built to withstand demanding tasks, these bits combine durable high-speed steel with a nitride black finish for superior wear resistance and long-lasting performance. Perfect for DIY projects, workshop tasks, and professional metalworking touch-ups, you’ll appreciate the cleaner cuts and consistent results every time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Speed Steel construction for durability and longevity\u003c\/li\u003e\n\u003cli\u003eThree sizes: 3-12mm, 4-12mm, and 4-20mm for versatile drilling ranges\u003c\/li\u003e\n\u003cli\u003eNitride black finish with hex shank design for reduced wear and reliable chuck grip\u003c\/li\u003e\n\u003cli\u003eCore drill bit design for precise, clean cuts in metal and other materials\u003c\/li\u003e\n\u003cli\u003eFace shank to prevent slippage during chucking; two groove designs for faster, smoother cutting\u003c\/li\u003e\n\u003cli\u003eDepth and diameter clearly marked on each step for easy dialing in your hole size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you can do with these bits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDrill precise holes in metal, wood, aluminum, plastic boards, and insulating boards with thicknesses around 5mm or less\u003c\/li\u003e\n\u003cli\u003eCreate multi-diameter holes in a single operation, saving time on repetitive projects\u003c\/li\u003e\n\u003cli\u003eUpgrade your toolbox for better performance on metalworking, cabinetry, and DIY furniture builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCare and usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep bits clean and dry after use to prevent corrosion\u003c\/li\u003e\n\u003cli\u003eUse an appropriate drill speed for the material you’re working with to maximize life and performance\u003c\/li\u003e\n\u003cli\u003eEnsure proper clamping and secure chuck grip before drilling\u003c\/li\u003e\n\u003cli\u003eAlways wear eye protection and follow standard workshop safety practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: High-speed steel\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eSizes: 3-12mm, 4-12mm, 4-20mm\u003c\/li\u003e\n\u003cli\u003eIncludes: 3 x HSS Straight Groove Step Drill Bits\u003c\/li\u003e\n\u003cli\u003eApplication: Drilling and hole reaming in wood, aluminum, plastic boards, insulating boards, and other materials\u003c\/li\u003e\n\u003cli\u003eShank: Face shank design with two grooves for fast, smooth cutting\u003c\/li\u003e\n\u003cli\u003eDepth\/diameter marks on steps for quick reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBrand promise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable performance for DIY enthusiasts and professionals alike\u003c\/li\u003e\n\u003cli\u003eCompact, 3-piece set to cover common hole sizes in one convenient package\u003c\/li\u003e\n\u003cli\u003eCrafted with attention to detail for consistent results across materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-desc-images\"\u003e\n \u003cimg src=\"\/uploads\/products\/11072\/description\/desc_0_0fc938e87f4f5d035113e3a6ad2f123c.jpg\" alt=\"3Pcs HSS Straight Groove Step Drill Bit 3-12mm 4-12mm 4-20mm Nitride Black Hex Wood Metal Hole Cutter Core Drilling Tools Set\" loading=\"lazy\"\u003e\n \u003cimg src=\"\/uploads\/products\/11072\/description\/desc_2_4250e36c52b6e7040117034bdbd8d187.jpg\" alt=\"3Pcs HSS Straight Groove Step Drill Bit 3-12mm 4-12mm 4-20mm Nitride Black Hex Wood Metal Hole Cutter Core Drilling Tools Set\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrill faster with high speed steel construction\u003c\/li\u003e\n\u003cli\u003eAchieve multiple hole sizes in one bit\u003c\/li\u003e\n\u003cli\u003eNitride black finish enhances wear resistance\u003c\/li\u003e\n\u003cli\u003eHex shank design for reliable chuck grip\u003c\/li\u003e\n\u003cli\u003eCore drill bit design for clean, precise cuts\u003c\/li\u003e\n\u003cli\u003eVersatile set includes 3-12mm, 4-12mm, 4-20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e High Speed Steel HSS, Nitride black finish, Hex shank\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat materials can this hss step drill bit handle?\u003c\/h3\u003e\u003cp\u003eThe set is designed for wood, aluminum, plastic, and metal. Its HSS core and nitride coating offer durability across these materials.\u003c\/p\u003e\u003ch3\u003eHow many hole sizes are included and what are they?\u003c\/h3\u003e\u003cp\u003eThe set includes three sizes: 3-12mm, 4-12mm, and 4-20mm. Each bit provides progressive steps for different hole diameters.\u003c\/p\u003e\u003ch3\u003eIs there free shipping and who is the brand?\u003c\/h3\u003e\u003cp\u003eAzabooti offers free shipping on eligible orders. This multi material drill bit set is part of our tool collection designed for DIY and professional use.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What materials can this hss step drill bit handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The set is designed for wood, aluminum, plastic, and metal. Its HSS core and nitride coating offer durability across these materials.\"}},{\"@type\":\"Question\",\"name\":\"How many hole sizes are included and what are they?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The set includes three sizes: 3-12mm, 4-12mm, and 4-20mm. Each bit provides progressive steps for different hole diameters.\"}},{\"@type\":\"Question\",\"name\":\"Is there free shipping and who is the brand?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Azabooti offers free shipping on eligible orders. This multi material drill bit set is part of our tool collection designed for DIY and professional use.\"}}]}\u003c\/script\u003e","brand":"Azabooti","offers":[{"title":"3PCS","offer_id":49091878519033,"sku":"INS-999957043-D494E88E","price":13.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/7644\/4665\/files\/60471717590d18967675157bb16e34b7.jpg?v=1789656307","url":"https:\/\/azabooti.com\/products\/hss-step-drill-bit-set-57043","provider":"Azabooti","version":"1.0","type":"link"}