--- product_id: 537253847 title: "Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron" brand: "wildbossy" price: "165 Lei" currency: RON in_stock: true url: https://www.desertcart.ro/products/537253847-cobalt-drill-bit-set-5mm-10pcs-m35-twist-drill-bits store_origin: RO region: Romania --- # 136° Split Point for Precision & Anti-Walking M35 Cobalt Steel Alloy - 67 Rockwell Hardness 10pcs 5mm Bits in Durable Storage Case Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron **Brand:** wildbossy **Price:** 165 Lei **Availability:** ✅ In Stock ## Summary > 🛠️ Drill Like a Pro, Last Like a Legend ## Quick Answers - **What is this?** Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron by wildbossy - **How much does it cost?** 165 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/537253847-cobalt-drill-bit-set-5mm-10pcs-m35-twist-drill-bits) ## Best For - wildbossy enthusiasts ## Why This Product - Trusted wildbossy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Organized On-the-Go:** Compact, sturdy case keeps your bits secure and ready for any job site hustle. - • **Unmatched Durability:** 13x longer lifespan than standard HSS bits—work smarter, not harder. - • **Versatile Powerhouse:** Effortlessly drills through stainless steel, cast iron, aluminum, and more. - • **Precision Engineering:** 136° split point design ensures zero walking and flawless starts every time. - • **Optimized Chip Removal:** Gold oxide surface and twist design speed up debris clearance for smoother drilling. ## Overview The Cobalt Drill Bit Set features 10 precision-engineered 5mm M35 cobalt steel bits with 67 Rockwell hardness, designed for superior durability and high-speed drilling in tough metals like stainless steel and cast iron. Its 136° split point and gold oxide coating ensure precision, reduced walking, and efficient chip removal, all housed in a rugged storage case for easy transport. ## Description Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron ## Features - 【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 13 times. - 【10PCS METRIC DIRLL BITS SET】The set includes 10pcs of M35 5MM cobalt steel twist drill bits. Organized in a sturdy plastic storage case for easy transport to your workplace. - 【TWIST DESIGN AND PERFORMANCE】Precise 136° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement. - 【VERSATILE USE】Our M36 Cobalt High-Speed Steel drill bits are ideal for cutting through hard materials like stainless steel, steel, and cast iron, as well as wood, aluminum alloys, and other metals. Please note that they are not suitable for glass or ceramic materials. Pay attention to speed, pressure, and heat control when drilling. - 【SATISFACTION GUARANTEED】We stand behind the quality of our product. If you have any problems or are not satisfied with our metric drill bit set, please feel free to contact WildBossy for assistance. ## Product Details - **Material:** Cobalt Steel - **Finish Type:** Gold Oxide - **Shank Type:** Round - **Cutting Angle String:** 135 Degrees - **Brand:** WildBossy ## Images ![Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 1](https://m.media-amazon.com/images/I/71euQ0D-1VL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: I ordered this set but it came as a much cheaper set in a weak, brittle case. Is this what is being sent now, or was this just a shipping mistake?** A: Mine came in a clear plastic case with a black plastic divider section. Not the greatest however I needed the bits to work, not the case. **Q: I want to drill 8 to 10 holes through large, stainless steel hinges (3mm thick).Could I do the job with these drills?** A: Probably but you will need the right cutting fluid . I did not use this bits on SS yet. Thank you GOOGLE: "What can you use to cut stainless steel fluid? As a manufacturer of metal processing oil, we recommend MORESCO BS-6M soluble cutting fluid, MORESCO BS-9 soluble cutting oil. WILL CM-128 semi-synthetic cutting oil, WILL CH-370 semi-synthetic cutting fluid. These cutting oils are especially good on stainless steel, and provide excellent performances during machining." **Q: Is this suitable for the soft metal in jewelry?** A: yes, any metal **Q: Where are they made?** A: Unfortunately I could not find a country of manufacture this company. They are inexpensive bits, and I've had good luck with them. ## Frequently Bought Together - Cobalt Drill Bit Set 5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - MACXCOIP Metric 16Pcs M35 Cobalt Drill Bit Set, 5mm HSS Cobalt Jobber Drill Bits, for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics - Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ro/products/537253847-cobalt-drill-bit-set-5mm-10pcs-m35-twist-drill-bits](https://www.desertcart.ro/products/537253847-cobalt-drill-bit-set-5mm-10pcs-m35-twist-drill-bits) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-04-24*