{"product_id":"b0g1lqj86y","title":"Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1\/16\"-1\/2\" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【21-Piece M35 Cobalt Steel Drill Bit Set: Targeted for Hard Metals】Crafted from premium M35 cobalt steel with 5% cobalt core, this drill bit set is engineered to tackle tough metals ranging from 30–60 HRC hardness. It delivers superior drilling performance on stainless steel, high-temperature alloy steel, and bearing steel, outperforming ordinary high-speed steel bits on hard materials.\u003c\/li\u003e\n\u003cli\u003e【135° Step Drill Head: 50% Faster, No Pre-Drilling Needed】Boasting a 135° split-point step design, this drill bit enables instant, accurate starting—even on curved surfaces. The stepped structure delivers rounder, smoother holes and allows easy hole enlargement on existing openings. The tri-flat shank locks securely in chucks for stable, wobble-free drilling.\u003c\/li\u003e\n\u003cli\u003e【Exclusive TiAlN Nano Coating】Unlike the mainstream oxide, blued, or yellow-baked coatings on the market, our drill bits feature an exclusive high-performance TiAlN nano coating. Boasting 1400°F heat resistance and 6x enhanced durability, this unique coating solution outshines competitors and delivers unmatched drilling performance for tough tasks.\u003c\/li\u003e\n\u003cli\u003e【Superior Shockproof Case】Our premium shockproof case is attractive, shatter-resistant and effectively solves the common issues of flimsy plastic boxes that break easily and iron boxes that tend to rust; each drill body is marked with laser-etched size labels for quick access, and the 21-piece set comes with practical popular sizes for secure storage and hassle-free use.\u003c\/li\u003e\n\u003cli\u003e【Usage Tips + Guarantee】 Apply steady vertical pressure during operation (do not twist the drill bit) and match the rotational speed to the bit size for optimal performance: 1\/16–9\/64 inch bits recommended at 1260rpm; 5\/32–1\/4 inch bits at 740rpm; 5\/16–1\/2 inch bits at 290rpm. if any quality issues arise during use, please contact us promptly—we will make every effort to resolve the problem and ensure your satisfactory shopping experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Crosstar","offers":[{"title":"Default Title","offer_id":53629338419513,"sku":"B0G1LQJ86Y","price":63.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/81H4hE7ashL._AC_SX679_PIbundle-21_TopRight_0_0_SH20.jpg?v=1782353020","url":"https:\/\/makeitstudios.com\/products\/b0g1lqj86y","provider":"MakeIt Studio","version":"1.0","type":"link"}