{"product_id":"deli-step-drill-bit-4-20mm-ريشة-بلبل","title":"Deli Step Drill Bit (4-20mm) - ريشة بلبل","description":"\u003ch3 data-start=\"60\" data-end=\"88\"\u003eProduct Description\u003c\/h3\u003e\n\u003cp data-start=\"89\" data-end=\"570\"\u003eThis versatile \u003cstrong data-start=\"104\" data-end=\"133\"\u003e4 mm–20 mm step drill bit\u003c\/strong\u003e is designed to drill multiple hole sizes with a single tool—ideal for sheet metal, aluminum, plastic, and thin steel. Its stepped design eliminates the need to swap bits, while the spiral flutes and self-starting tip ensure clean, burr-free holes every time. Crafted from high-speed steel (HSS) and finished with black oxide or optional TiN coating, this bit is built for longevity and performance in both professional and DIY settings.\u003c\/p\u003e\n\u003ch3 data-start=\"577\" data-end=\"597\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"598\" data-end=\"1274\"\u003e\n\u003cli data-start=\"598\" data-end=\"685\"\u003e\n\u003cp data-start=\"600\" data-end=\"685\"\u003e\u003cstrong data-start=\"600\" data-end=\"620\"\u003eHole Size Range:\u003c\/strong\u003e 4 mm to 20 mm by 2 mm steps—drill nine hole sizes with one bit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"686\" data-end=\"904\"\u003e\n\u003cp data-start=\"688\" data-end=\"703\"\u003e\u003cstrong data-start=\"688\" data-end=\"701\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"706\" data-end=\"904\"\u003e\n\u003cli data-start=\"706\" data-end=\"765\"\u003e\n\u003cp data-start=\"708\" data-end=\"765\"\u003eHigh-Speed Steel (HSS) for hardness and wear resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"768\" data-end=\"830\"\u003e\n\u003cp data-start=\"770\" data-end=\"830\"\u003eBlack oxide finish reduces friction and prevents corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"833\" data-end=\"904\"\u003e\n\u003cp data-start=\"835\" data-end=\"904\"\u003eOptional titanium (TiN) coating for longer life and cooler drilling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"905\" data-end=\"1027\"\u003e\n\u003cp data-start=\"907\" data-end=\"1027\"\u003e\u003cstrong data-start=\"907\" data-end=\"917\"\u003eShank:\u003c\/strong\u003e 1\/4\" hex shank or 8 mm round shank with 3-flat grip—prevents slipping and works in impact drivers or drills\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1028\" data-end=\"1113\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1113\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1045\"\u003eTip Design:\u003c\/strong\u003e Self-starting, split-point tip prevents wander and pilot drilling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1114\" data-end=\"1201\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1127\"\u003eFlutes:\u003c\/strong\u003e Spiral or dual-flute design improves chip evacuation and drilling speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1202\" data-end=\"1274\"\u003e\n\u003cp data-start=\"1204\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1204\" data-end=\"1215\"\u003eFinish:\u003c\/strong\u003e Laser-etched size markings for quick hole identification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInt code: C3\u003c\/p\u003e","brand":"Deli","offers":[{"title":"Default Title","offer_id":51440605757607,"sku":"LD-EDH-JTZ020-E1","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0187\/3720\/1252\/files\/1_9e7ffa20-26c4-4b42-a28d-ebf101d7779d.jpg?v=1790711934","url":"https:\/\/electroslab.com\/products\/deli-step-drill-bit-4-20mm-%d8%b1%d9%8a%d8%b4%d8%a9-%d8%a8%d9%84%d8%a8%d9%84","provider":"Electroslab","version":"1.0","type":"link"}