--- product_id: 301302283 title: "CO14B 14 Pc. Cobalt M42 Drill Bit Set" brand: "bosch" price: "350 zΕ‚" currency: PLN in_stock: true reviews_count: 5 category: "Bosch" url: https://www.desertcart.pl/products/301302283-co14b-14-pc-cobalt-m42-drill-bit-set store_origin: PL region: Poland --- # High-heat resistance for tough jobs Thick web-helix for superior stability 8% Cobalt alloy for 10x durability CO14B 14 Pc. Cobalt M42 Drill Bit Set **Brand:** bosch **Price:** 350 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ”§ Drill Like a Pro, Last Like a Legend! ## Quick Answers - **What is this?** CO14B 14 Pc. Cobalt M42 Drill Bit Set by bosch - **How much does it cost?** 350 zΕ‚ 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/301302283-co14b-14-pc-cobalt-m42-drill-bit-set) ## Best For - bosch enthusiasts ## Why This Product - Trusted bosch brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Precision Stability:** Thick web-helix design minimizes bit wobble for smooth, accurate drilling in stainless steel and titanium. - β€’ **Unmatched Durability:** Engineered with 8% cobalt M42 alloy delivering 10x longer life than standard bits. - β€’ **Versatile Size Range:** Includes 14 jobber-length bits from 1/16" to 1/2", covering all your professional metalworking needs. - β€’ **Enhanced Grip & Control:** Split point tips and three-flat shanks on larger bits provide superior bit retention and reduced walking. - β€’ **Heat-Resistant Performance:** Withstands extreme temperatures, ensuring consistent precision in high-heat metal drilling. ## Overview The Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set features premium 8% cobalt alloy bits designed for extreme durability and heat resistance. With a thick web-helix design and split point tips, these bits deliver superior stability and precision when drilling tough metals like stainless steel, titanium, and cast iron. This versatile set includes 14 sizes, making it the go-to choice for professionals demanding long-lasting, high-performance drill bits. ## Description BOSCH Cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8% cobalt. These hard-core Cobalt bits deliver 10x life vs. Standard bits, are jobber length and withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in. And larger feature a split point; bits 3/16 in. And larger feature a three-flat shank, for better bit grip. These Cobalt drill bits provide superior performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals. Review: Nice Review: Mega Scharf - Was soll Ma da sagen Bosch expert halt QualitΓ€t einfach fantastisch 🀩 ## Features - Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum - Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits - High-heat resistant bits – withstand high-temperature applications for extended periods of time - Thick web-helix design – provides additional stability in tough applications - Surface-hardened tip – penetrates tough abrasive materials - Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Q9HNTBH | | Best Sellers Rank | #34,083 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Jobber Drill Bits | | Brand | BOSCH | | Brand Name | BOSCH | | Customer Reviews | 4.6 out of 5 stars 6,578 Reviews | | Cutting Angle String | 135 Degrees | | Cutting Diameter | 6.35 Millimeters | | Cutting angle string | 135 Degrees | | Cutting diameter | 6.35 Millimeters | | Finish Types | Titanium | | Finish type | Titanium | | Global Trade Identification Number | 00000346594591 | | Included Components | 14 Drill Bits; Case | | Item Type Name | Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set | | Item Weight | 1 Pounds | | Manufacturer | BOSCH | | Material | Stainless Steel Cobalt | | Material Type | Stainless Steel Cobalt | | Minimum Bore Diameter | 0.06 Inches | | Model | CO14B | | Number of Flutes | 3 | | Point Style | Split Point | | Shank Type | 3-Flat | | Shank type | 3-Flat | | Surface Recommendation | Metal | | Tool Flute Type | Spiral | | UPC | 000346594591 | | Unit Count | 1 Count | | Warranty Description | Product Defects Only | ## Product Details - **Cutting angle string:** 135 Degrees - **Cutting diameter:** 6.35 Millimeters - **Finish type:** Titanium - **Material:** Stainless Steel Cobalt - **Shank type:** 3-Flat ## Images ![CO14B 14 Pc. Cobalt M42 Drill Bit Set - Image 1](https://m.media-amazon.com/images/I/81Nu8e18JaL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Length of the bits for each diameter?** A: "Hi there, please see the following model with diameter and length size of the bits that comes in CO14B; CO2131 - 1/16"" - 1.875"" CO2132 - 5/64"" - 2.0"" CO2133 - 3/32"" - 2.5"" CO2134 - 7/64"" - 2.625"" CO2135 - 1/8"" - 2.75"" CO2136 - 9/64"" - 2.875"" CO2137 - 5/32"" - 3.125"" CO2139B - 3/16"" - 3.5"" CO4141 - 7/32"" - 3.75"" CO2145 - 1/4"" - 4.5"" CO2147 - 5/16"" - 4.5"" CO2151 - 3/8"" - 5.0"" CO2159 1/2"" - 6.0"" For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST." **Q: Where is the 5/64" individual bit? (The only one I need to replace, of course!)** A: You always have to order any single bit or bit replacement separately, unless you can convince the company otherwise. **Q: Does Bosch make a metric set????** A: This COB14B Drill bit set is at a standard or imperial measurement. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST. **Q: Do either of the sets come with a bit holder? If not, what size bit holder would work?** A: The CO14B set doesn't come with a bit holder. The bits will work with drills that caters straight shank bits and three-flat shank bits. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7AM-7PM CST. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice *by W***S on 31 January 2026* ### ⭐⭐⭐⭐⭐ Mega Scharf *by M***H on 17 January 2026* Was soll Ma da sagen Bosch expert halt QualitΓ€t einfach fantastisch 🀩 ### ⭐⭐⭐⭐⭐ Good product excellent seller *by T***S on 1 March 2026* ## Frequently Bought Together - BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal - Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size - Lubri-Cut Cutting Paste for Drilling Metal - 2 Oz Tub - Made in USA | Beeswax Oil for Metal | High Performance Tapping & Cutting Wax | Saw Blade Lubricant & Drill Fluid --- ## 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.pl/products/301302283-co14b-14-pc-cobalt-m42-drill-bit-set](https://www.desertcart.pl/products/301302283-co14b-14-pc-cobalt-m42-drill-bit-set) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*