--- product_id: 803663336 title: "HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096\" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material" brand: "harfington" price: "55.17 DT" currency: TND in_stock: true reviews_count: 8 category: "Harfington" url: https://www.desertcart.tn/products/803663336-harfington-12pcs-cobalt-drill-bit-41-0-096-hss-co store_origin: TN region: Tunisia --- # Spiral groove for chip ejection 118Β° split point for precise centering HSS-Co alloy for extreme hardness HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material **Brand:** harfington **Price:** 55.17 DT **Availability:** βœ… In Stock ## Summary > 🎯 Drill Like a Pro, Finish Like a Boss! ## Quick Answers - **What is this?** HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material by harfington - **How much does it cost?** 55.17 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/803663336-harfington-12pcs-cobalt-drill-bit-41-0-096-hss-co) ## Best For - harfington enthusiasts ## Why This Product - Trusted harfington brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Effortless Precision:** 118Β° split point tip ensures fast, self-centering drillingβ€”no more wandering or misalignment. - β€’ **Unmatched Durability:** Crafted from premium high-speed steel with cobalt for superior wear resistance and long-lasting sharpness. - β€’ **Optimized Chip Removal:** Advanced spiral groove design minimizes vibration and prevents material jamming for smooth operation. - β€’ **Versatile Compatibility:** Fits hand drills and bench drills alike, perfect for metals, wood, plastics, and more. - β€’ **Enhanced Cutting Efficiency:** Baked surface finish reduces friction, boosting speed and accuracy even under high heat. ## Overview The HARFINGTON 12pcs Cobalt Drill Bit set features 0.096" diameter HSS-Co alloy bits designed for tough materials like stainless steel and cast iron. With a 118Β° split point for precise centering and spiral grooves for efficient chip removal, these bits deliver durable, high-performance drilling across metals, wood, and plastics. Compatible with various drills, they combine wear resistance and smooth cutting for professional-grade results. ## Description The twist drill bit is made of high-speed steel (HSS) and cobalt (CO) alloy, has high hardness and durability, can easily cut hard metals, and has a long service life. It has good wear resistance, maintains stable cutting performance under high-speed rotation and high-temperature environments, and is not easy to deform. After the surface is baked yellow, it is smoother, reducing the friction resistance between the tool and the workpiece and improving the cutting efficiency.The spiral groove design can effectively discharge the cutting chips generated during the processing and reduce vibration and material jamming. The 118Β° split point tip design has a strong self-centering ability, which is conducive to fast and accurate positioning on the workpiece surface, fixing the drilling position, and effectively avoiding displacement during the drilling process.The round shank design allows it to be used with various different clamping tools such as hand drills and bench drills. The twist drill bit is suitable for metal materials such as stainless steel, aluminum alloy, iron, and brass, as well as wood materials like softwood, hardwood, composite wood boards, and various plastic materials.Before purchasing a cobalt drill bit, double-check the drill bit size to make sure it matches your tool. Review: good for steel - ok for steel but not hardened stainless....I have to be honest Review: Nice drill bits - Nice drill bits for what I needed them for. I used them to drill out orifices to convert ovens from LP to Natural Gas ## Features - Size - Drilling Diameter: 0.096"; Drilling Length: 33mm / 1.30"; Total Length: 60mm / 2.36"; Package Content: 12 x Cobalt Drill Bits. - Material - The twist drill bit is made of high-speed steel (HSS) and cobalt (CO), which has high hardness and sharper cutting, which helps to improve processing accuracy. It has good wear resistance, maintains stable cutting performance under high-speed rotation and high-temperature environments, and is not easy to deform. The surface is smoother after baking, which reduces the friction resistance between the tool and the workpiece and improves the cutting efficiency. - Features - The spiral groove design can effectively discharge the cutting chips generated during the processing and reduce vibration and material jamming. The 118Β° split point tip design has a strong self-centering ability, which is conducive to fast and accurate positioning on the workpiece surface, fixing the drilling position, and effectively avoiding displacement during the drilling process. - Application - Twist drill bits can be used with various clamping tools, such as hand drills and bench drills, and are suitable for drilling needs such as metal processing, auto repair, woodworking, and home decoration. They can be used for drilling operations in a variety of materials such as metal, wood, plastic, etc. - Note - Before purchasing a cobalt drill bit, double-check the drill bit size to make sure it matches your tool. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DR2317RY | | Best Sellers Rank | #53,182 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #120 in Jobber Drill Bits | | Brand | HARFINGTON | | Brand Name | HARFINGTON | | Customer Reviews | 4.2 out of 5 stars 50 Reviews | | Cutting Angle String | 118 Degrees | | Cutting Diameter | 2.41 Millimeters | | Manufacturer | HARFINGTON | | Material | High Carbon Steel with Cobalt | | Material Type | High Carbon Steel with Cobalt | | Number of Flutes | 2 | | Shank Type | Round Shank | | Surface Recommendation | Acrylonitrile Butadiene Styrene, Aluminum, Brass, Cast Iron, Engineered Wood, Glass, Iron, Metal, Nylon, Pine, Plastic, Polyvinyl Chloride, Stainless Steel, Wood | | Tool Flute Type | Spiral | | Unit Count | 12.0 Count | ## Images ![HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material - Image 1](https://m.media-amazon.com/images/I/81jAogmJdSL.jpg) ![HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material - Image 2](https://m.media-amazon.com/images/I/516U2OVL+nL.jpg) ![HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material - Image 3](https://m.media-amazon.com/images/I/71PnUAW2sGL.jpg) ![HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material - Image 4](https://m.media-amazon.com/images/I/61J5jlMWIZL.jpg) ![HARFINGTON 12pcs Cobalt Drill Bit, #41 0.096" HSS-CO Aircraft Twist Drill Bit with Straight Round Shank for Drilling Stainless Steel Cast Iron Tough Material - Image 5](https://m.media-amazon.com/images/I/61mij7O3wcL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ good for steel *by J***H on February 6, 2026* ok for steel but not hardened stainless....I have to be honest ### ⭐⭐⭐⭐⭐ Nice drill bits *by D***N on November 28, 2025* Nice drill bits for what I needed them for. I used them to drill out orifices to convert ovens from LP to Natural Gas ### ⭐⭐⭐⭐⭐ Perfect !! *by J***E on February 14, 2026* Just what I needed at a great price. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/803663336-harfington-12pcs-cobalt-drill-bit-41-0-096-hss-co](https://www.desertcart.tn/products/803663336-harfington-12pcs-cobalt-drill-bit-41-0-096-hss-co) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-12*