--- product_id: 632922113 title: "5PCS Cobalt 5-Flute Countersink Drill Bit Set - Heavy-Duty M35 82-Degree Countersink Chamfer Tool Set for Metal,Stainless Steel,Copper,Wood,Fiberboard,Plastic,SAE 3/4”,5/8”,1/2”3/8”,1/4”" brand: "columpro" price: "216 zł" currency: PLN in_stock: true reviews_count: 8 category: "Colum Pro" url: https://www.desertcart.pl/products/632922113-5pcs-cobalt-5-flute-countersink-drill-bit-set-heavy-duty store_origin: PL region: Poland --- # 5-flute design for precision & fast chip ejection M35 cobalt steel for unmatched durability 82-degree countersink angle for perfect chamfers 5PCS Cobalt 5-Flute Countersink Drill Bit Set - Heavy-Duty M35 82-Degree Countersink Chamfer Tool Set for Metal,Stainless Steel,Copper,Wood,Fiberboard,Plastic,SAE 3/4”,5/8”,1/2”3/8”,1/4” **Brand:** columpro **Price:** 216 zł **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate Your Craft with Precision & Power — Don’t Get Left Behind! ## Quick Answers - **What is this?** 5PCS Cobalt 5-Flute Countersink Drill Bit Set - Heavy-Duty M35 82-Degree Countersink Chamfer Tool Set for Metal,Stainless Steel,Copper,Wood,Fiberboard,Plastic,SAE 3/4”,5/8”,1/2”3/8”,1/4” by columpro - **How much does it cost?** 216 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/632922113-5pcs-cobalt-5-flute-countersink-drill-bit-set-heavy-duty) ## Best For - columpro enthusiasts ## Why This Product - Trusted columpro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete SAE Size Range:** Five essential sizes from 1/4” to 3/4” cover every project, eliminating guesswork and tool-hunting frustration. - • **Versatile Compatibility:** Seamlessly works with cordless drills and handles metals, wood, plastics, and more—your all-in-one chamfer solution. - • **Precision 5-Flute Design:** Experience flawless centering and rapid chip clearance for smooth, professional-grade countersinking every time. - • **Portable CNC-Machined Case:** Keep your set organized and ready to go with a sleek, durable case designed for the on-the-move professional. - • **Built to Last with M35 Cobalt Steel:** Engineered for extreme toughness and high-temp resistance, ensuring your bits outlast the competition. ## Overview The ColumPRO 5PCS Cobalt 5-Flute Countersink Drill Bit Set features premium M35 cobalt steel construction and a precision 82-degree angle, delivering exceptional durability and accuracy. Designed for use on metal, stainless steel, wood, and plastics, this versatile set includes five SAE sizes housed in a CNC-machined portable case, making it the ultimate tool for professionals and DIYers seeking flawless chamfering performance. ## Description ColumPRO 5PCS Cobalt 5-Flute Countersink Drill Bit Set - Heavy-Duty M35 82-Degree Countersink Chamfer Tool Set for Metal,Stainless Steel,Copper,Wood,Fiberboard,Plastic,SAE 3/4”,5/8”,1/2”3/8”,1/4” - desertcart.com Review: Very nice set - Comes in a nice case, works great! Review: Great cobalt set. - These are cobalt to last through countersinking in most metals and wood. ## Features - 【Premium Quality】 Manufactured from M35 cobalt high speed steel, our countersink drill bits have unrivalled toughness, high temperature resistance and long life to deliver exceptional results time after time. - 【Impressive Performance】Used prior to drilling holes for screws, the 5-flute blade ensures accurate centering and rapid ejection of chips and shavings. Designed for tough materials such as stainless steel and other high performance alloys. - 【Versatile Application】Our drill bits are compatible with cordless drills. Perfect for machinists, tradesmen, DIY enthusiasts and homeowners. - 【Portable & Convenient】Our chamfering tools come with a portable case and CNC-machined lining for easy transport and Storage. Say goodbye to lost bits and restless searching for the right tool. - 【Comprehensive Set】This set includes 5 drill bits in varying SAE sizes, with each of the 3/4”, 5/8”, 1/2”, 3/8”, 1/4” 82-degree countersink chamfer tools included, providing you with a complete package for all your drilling needs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D261D32F | | Best Sellers Rank | #299,021 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #298 in Countersink Drill Bits | | Brand | ColumPRO | | Brand Name | ColumPRO | | Customer Reviews | 4.0 out of 5 stars 69 Reviews | | Cutting Angle String | 82 Degrees | | Finish Type | Uncoated | | Finish Types | Uncoated | | Manufacturer | ColumPRO | | Material | Cobalt Steel | | Material Type | Cobalt Steel | | Minimum Bore Diameter | 0.25 Inches | | Number of Flutes | 5 | | Point Style | Taper Point | | Shank Type | Straight | | Surface Recommendation | Metal, Plastic, Stainless Steel, Wood | | Tool Flute Type | Straight | | Unit Count | 5.0 Count | ## Images ![5PCS Cobalt 5-Flute Countersink Drill Bit Set - Heavy-Duty M35 82-Degree Countersink Chamfer Tool Set for Metal,Stainless Steel,Copper,Wood,Fiberboard,Plastic,SAE 3/4”,5/8”,1/2”3/8”,1/4” - Image 1](https://m.media-amazon.com/images/I/711x6VCpGsL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very nice set *by D***R on December 18, 2025* Comes in a nice case, works great! ### ⭐⭐⭐⭐⭐ Great cobalt set. *by B***T on May 13, 2025* These are cobalt to last through countersinking in most metals and wood. ### ⭐ Junk *by J***Y on October 23, 2025* Absolute garbage. Won't countersink a hole to save itself. The grind on these is absolutely unacceptable, looks like Stevie wonder ground them with an angle grinder. Didn't even throw them in scrap bin, chucked them in the garbage can. I'd prefer to not give it any stars, but I'm required to give atleast 1. --- ## 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.pl/products/632922113-5pcs-cobalt-5-flute-countersink-drill-bit-set-heavy-duty](https://www.desertcart.pl/products/632922113-5pcs-cobalt-5-flute-countersink-drill-bit-set-heavy-duty) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-14*