{"product_id":"montana-brand-1-3-8-in-alloy-steel-drill-bit-3-flat-shank","title":"Montana Brand 1-3\/8 in. Alloy Steel Drill Bit 3-Flat Shank","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for serious metalworking, the Montana Brand 1-3\/8 in. Alloy Steel Drill Bit with a 3-Flat Shank is built to tackle demanding holes with precision and control. From shop projects to professional fabrication, this bit delivers consistent performance where it counts.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Premium alloy steel designed for durability under high torque and heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black oxide coating reduces corrosion and provides smoother chip flow for cleaner holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 3-flat shank minimizes slippage in chucks and keeps the bit aligned under heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: Drill size 1-3\/8\", ideal for large-diameter through-holes in metal and sturdy materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging\u003c\/strong\u003e: Sold in a clamshell package for secure storage and easy handling; 1 piece per package.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this bit unique\u003c\/h3\u003e\n\u003cp\u003eUnlike standard round-shank bits, the 3-flat shank design locks firmly in place even during aggressive drilling. The combination of alloy steel and black oxide finish gives you a longer-lasting edge that resists wear mid-job, so you spend less time sharpening and more time cutting. This bit is particularly well-suited for drilling through steel, cast iron, and aluminum when you need a large-diameter hole with clean edges.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal users\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMachinists and fabricators creating fasteners, brackets, or frame components require reliable large-diameter holes with minimal bit wandering.\u003c\/li\u003e\n\u003cli\u003eDIY enthusiasts tackling garage projects like mounting hardware, custom brackets, or metal shelving.\u003c\/li\u003e\n\u003cli\u003eAutomotive and aerospace hobbyists performing reinforcement holes or chassis work where precision matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse a slow-to-medium drilling speed and steady feed rate; large-diameter bits generate more heat, so consider a cutting lubricant or light tapping fluid to extend life.\u003c\/li\u003e\n\u003cli\u003eStart with a pilot hole if you’re drilling thick materials to improve alignment and reduce chatter.\u003c\/li\u003e\n\u003cli\u003eKeep the bit cool; pause to cool if you notice excessive heat or discoloration on the bit.\u003c\/li\u003e\n\u003cli\u003ePair with a drill press or sturdy handheld drill with a secure chuck to maximize precision and reduce bit deflection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose Montana Brand\u003c\/h3\u003e\n\u003cp\u003eMontana Brand focuses on practical, dependable tooling that professionals and serious DIYers can rely on. This 1-3\/8 in. alloy steel drill bit with a 3-flat shank combines robust construction with a design that minimizes slippage, helping you complete tough metalworking tasks faster and with cleaner results. The clamshell packaging keeps your tool organized and ready for the next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Montana Brand","offers":[{"title":"Default Title","offer_id":52195909730578,"sku":"2196681","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2196681_A.eps_High.jpg?v=1776117522","url":"https:\/\/nationalhardwaregroup.com\/products\/montana-brand-1-3-8-in-alloy-steel-drill-bit-3-flat-shank","provider":"National Hardware Group","version":"1.0","type":"link"}