--- product_id: 499937086 title: "Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron" brand: "wildbossy" price: "AR$53392" currency: ARS in_stock: true category: "Wild Bossy" url: https://www.desertcart.com.ar/products/499937086-cobalt-drill-bit-set-4-5mm-10pcs-m35-twist-drill store_origin: AR region: Argentina --- # 135° split point for precision & no walking 67 Rockwell hardness for extreme durability 10-piece set in sturdy case for on-the-go use Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron **Brand:** wildbossy **Price:** AR$53392 **Availability:** ✅ In Stock ## Summary > 🛠️ Drill like a pro, last like a legend! ## Quick Answers - **What is this?** Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron by wildbossy - **How much does it cost?** AR$53392 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/499937086-cobalt-drill-bit-set-4-5mm-10pcs-m35-twist-drill) ## 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 - • **Ready for Action:** Compact 10-piece set with organized case keeps your toolkit sharp and mobile - • **Trusted Performance:** Highly rated by pros with 4.4 stars and backed by WildBossy’s satisfaction guarantee - • **Unmatched Durability:** M35 cobalt alloy boosts lifespan 17x over standard HSS bits - • **Versatile Powerhouse:** Effortlessly drills through stainless steel, cast iron, aluminum, and wood - • **Precision Engineering:** 135° split point and gold oxide finish ensure clean, accurate drilling every time ## Overview The WildBossy Cobalt Drill Bit Set features 10 precision-engineered 4.5mm M35 cobalt steel bits with a 135° split point and gold oxide finish. Designed for superior hardness (up to 67 Rockwell) and longevity, these bits excel at drilling tough metals like stainless steel and cast iron, while also handling wood and aluminum. Packaged in a durable case, this set is a must-have for professionals demanding speed, accuracy, and reliability. ## Description Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - desertcart.com ## 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 17 times. - 【10PCS METRIC DIRLL BITS SET】The set includes 10pcs of M35 4.5MM cobalt steel twist drill bits. Organized in a sturdy plastic storage case for easy transport to your workplace. - 【TWIST DESIGN AND PERFORMANCE】Precise 135° 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 M35 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D458C5SX | | Best Sellers Rank | #42,450 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #99 in Jobber Drill Bits | | Brand | WildBossy | | Brand Name | WildBossy | | Customer Reviews | 4.4 out of 5 stars 661 Reviews | | Cutting Angle String | 135 Degrees | | Cutting Diameter | 4.5 Millimeters | | Finish Type | Gold | | Finish Types | Gold | | Manufacturer | WildBossy | | Material | Cobalt Steel | | Material Type | Cobalt Steel | | Number of Flutes | 2 | | Number of Pieces | 10 | | Part Number | GZZT-4.5MM | | Set Name | 10pcs 4.5mm Cobalt Drill Bit Set | | Shank Type | Straight | | Surface Recommendation | Metal, Wood, Stainless Steel, Cast Iron, Aluminum | | Tool Flute Type | Straight | ## Images ![Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 1](https://m.media-amazon.com/images/I/611P3nOVYeL.jpg) ![Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 2](https://m.media-amazon.com/images/I/71NPSikdThL.jpg) ![Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 3](https://m.media-amazon.com/images/I/71qpwfnZwDL.jpg) ![Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 4](https://m.media-amazon.com/images/I/716R7l4nv6L.jpg) ![Cobalt Drill Bit Set 4.5mm - 10pcs, M35 Twist Drill Bits Straight Shank, 4.5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron - Image 5](https://m.media-amazon.com/images/I/81YrX0MJysL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.com.ar/products/499937086-cobalt-drill-bit-set-4-5mm-10pcs-m35-twist-drill](https://www.desertcart.com.ar/products/499937086-cobalt-drill-bit-set-4-5mm-10pcs-m35-twist-drill) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-07-27*