{"product_id":"diablo-dhs4bitcb-4-cobalt-pilot-drill-bit-for-hardened-metals","title":"Diablo DHS4BITCB 4\" Cobalt Pilot Drill Bit for Hardened Metals","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Diablo DHS4BITCB 4\" Cobalt Pilot Drill Bit for Hardened Metals — a purpose-built solution for serious metalworking. This high-performance cobalt pilot bit is engineered to deliver faster cutting, enhanced productivity, and dependable performance when drilling through hardened metals, cast iron, and stainless steel. Designed to fit all Snap-Lock Plus Mandrels, it snaps into place for quick, secure setup and reduced downtime on the job.\u003c\/p\u003e \u003ch3\u003eWhy the Diablo DHS4BITCB stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e4\" reach for deeper holes\u003c\/strong\u003e — extended length enables clean, precise drilling without repositioning the workpiece.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCobalt alloy for heat resistance\u003c\/strong\u003e — maintains sharpness and longevity under high-heat conditions common with hardened metals, stainless steel, and cast iron.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePilot-driven accuracy\u003c\/strong\u003e — the pilot design guides the bit for true starts and steady cutting through tough materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSnap-Lock Plus compatibility\u003c\/strong\u003e — universal compatibility with all Snap-Lock Plus Mandrels for fast, secure connections and repeatable results.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile performance\u003c\/strong\u003e — proven effectiveness across hardened metals, cast iron, and stainless steel, reducing the need for multiple bit types on complex projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for professional shops and solo fabricators alike, the DHS4BITCB shines in automotive fabrication, heavy equipment maintenance, and industrial construction where you need reliable pilot holes through hard alloys and tough metals. Whether you're preparing hardened steel components for bolting, drilling stainless steel fixtures, or working with cast iron parts, this bit delivers consistent starts, cleaner holes, and less wear over time.\u003c\/p\u003e \u003cp\u003ePractical benefits you’ll notice include faster cutting progress, fewer tool changes, and improved upfront accuracy thanks to the cobalt construction and pilot design. The result is a streamlined workflow, higher throughput, and better hole quality across the toughest materials you throw at it.\u003c\/p\u003e \u003cp\u003eUsage tips for best results: pair the Diablo DHS4BITCB with a compatible Snap-Lock Plus Mandrel, maintain steady feed pressure, and use appropriate lubrication for hard metals to maximize bit life and maintain optimal cutting performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Freud\/Diablo","offers":[{"title":"Hole Saw","offer_id":42612336984112,"sku":"265-DHS4BITCB","price":11.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/3883\/0640\/files\/61O0LqH-5mL.jpg?v=1764778655","url":"https:\/\/usatooldepot.com\/products\/diablo-dhs4bitcb-4-cobalt-pilot-drill-bit-for-hardened-metals","provider":"USA Tool Depot","version":"1.0","type":"link"}