--- product_id: 557239731 title: "1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12" brand: "drill hulk" price: "$164.59" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/557239731-1-4-inch-cobalt-steel-m35-jobber-length-twist-drill store_origin: US region: United States of America --- # Sharpenable for extended life 5% cobalt for superior heat resistance 1/4-inch cutting diameter 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 **Brand:** drill hulk **Price:** $164.59 **Availability:** ✅ In Stock ## Summary > 🔥 Drill like a pro, last like a legend! ⚙️ ## Quick Answers - **What is this?** 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 by drill hulk - **How much does it cost?** $164.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/557239731-1-4-inch-cobalt-steel-m35-jobber-length-twist-drill) ## Best For - drill hulk enthusiasts ## Why This Product - Trusted drill hulk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sharpen & Reuse:** Uniform hardness lets you sharpen repeatedly without losing edge performance - • **Unmatched Durability:** Crafted from cobalt-infused high-speed steel for extreme heat resistance and longevity - • **Complete 12-Piece Set:** Includes a sturdy case for organized storage and easy transport - • **Precision Cutting Power:** 135° split point ensures clean, accurate holes every time - • **Versatile Jobber Length:** 2-3/4-inch flute length with 4-inch overall length for deep, precise drilling ## Overview The Drill Hulk 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits set features 12 precision-engineered bits made from high-speed steel with 5% cobalt. Designed for hard metals including stainless steel, these bits offer superior heat resistance, a 135° split point for clean drilling, and a durable 3-flat shank. Their jobber length and ability to be repeatedly sharpened make them a reliable choice for professionals demanding longevity and performance. ## Description Drill Hulk cobalt M35 drill bits are made from high-speed steel and 5% cobalt. The addition of cobalt improves strong durable performance in harder materials especially stainless steel. Made in China You Will Get: 12 pieces of 1/4-inch. x 4-inch. cobalt drill bits with case Notice: For high-speed drilling through metal, lubricate the bit with lightweight oil. Warning: Drill bits can shatter during use. Always wear safety goggles and safety items when drilling. California Proposition 65 Warnings: California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. ## Features - JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-inch overall length, 135 degree split point, 3-flat shank - MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits - CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits - APPLICATION: best used for drilling in hard metal, including stainless steel - INCLUDE: 12 pieces of 1/4-inch cobalt drill bits with case ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B083G29SKW | | Brand Name | Drill Hulk | | Customer Reviews | 4.6 4.6 out of 5 stars (284) 4.6 out of 5 stars | | Cutting Angle String | 135 Degrees | | Cutting Diameter | 0.25 Inches | | Finish Types | Gold Oxide | | Manufacturer | Drill Hulk Ltd | | Material Type | High-Speed Steel and 5% Cobalt | | Minimum Bore Diameter | 0.25 Inches | | Model Number | DHCO33 | | Number Of Flutes | 3 | | Number Of Pieces | 12 | | Part Number | DHCO33 | | Point Style | Split Point | | Shank Type | 3-Flat | | Surface Recommendation | Masonry, Metal | | Tool Flute Type | twist | | Unit Count | 12 Count | | Upc | 752785985262 | ## Product Details - **Material:** High-Speed Steel and 5% Cobalt - **Cutting Diameter:** 0.25 Inches - **Finish Type:** Gold Oxide - **Shank Type:** 3-Flat - **Cutting Angle String:** 135 Degrees ## Images ![1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Image 1](https://m.media-amazon.com/images/I/618skXoHn9L.jpg) ![1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Image 2](https://m.media-amazon.com/images/I/41N7vfUuY9L.jpg) ![1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Image 3](https://m.media-amazon.com/images/I/71yVQ6aGobL.jpg) ![1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Image 4](https://m.media-amazon.com/images/I/61Yw2wBvA9L.jpg) ![1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Image 5](https://m.media-amazon.com/images/I/61XWH41KeML.jpg) ## Questions & Answers **Q: can you drill granite** A: These bits are for metal **Q: What is M 35** A: Thank you for your question. That's is material, made from high speed steel and 5% cobalt. The addition of cobalt improves strong durable performance in harder materials especially stainless steel. If you have further questions, please feel free to contact us. **Q: What's the difference between this set and the Dewalt DW1263 whichh is also cobalt and has 14 bits?** A: $32.96 **Q: Will these work with black and decker?** A: Yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very good *by on Reviewed in the United States 29 March 2026* Very good drill bit for the money really sharp.It works great.I needed it for repeat cuts ### ⭐⭐⭐⭐⭐ Quality bits *by on Reviewed in the United States 2 December 2025* Great bits. Strong and sharp, reasonable deal. Learning how to drill different metals is just as important as buying good drill bits. These are good bits if they are used properly. Educate yourself on technique and these bits will last a long time. ### ⭐⭐⭐⭐⭐ Refill for the bucket of broken 1/4 bits *by on Reviewed in the United States 15 January 2026* I break 1/4 drill bits all the time when drilling steel (auto fabrication). this is an inexpensive approach to ensure I have a bit at the ready when I break one in the middle of my project. Great product at a great price ## Frequently Bought Together - 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - RCINDUS (20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood - Owl Tools 3/16" Inch Cobalt Drill Bits - 13 Pack of M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More! --- ## 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.us/products/557239731-1-4-inch-cobalt-steel-m35-jobber-length-twist-drill](https://www.desertcart.us/products/557239731-1-4-inch-cobalt-steel-m35-jobber-length-twist-drill) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-15*