--- product_id: 203768190 title: "Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5\" OAL, 0.563\" Cut Diameter, 0.625\" Shank Diameter" brand: "niagara cutter" price: "VT14979" currency: VUV in_stock: true category: "Industrial" url: https://www.desertcart.vu/products/203768190-niagara-cutter-n56183-cobalt-steel-square-nose-end-mill-weldon store_origin: VU region: Vanuatu --- # Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5" OAL, 0.563" Cut Diameter, 0.625" Shank Diameter **Brand:** niagara cutter **Price:** VT14979 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5" OAL, 0.563" Cut Diameter, 0.625" Shank Diameter by niagara cutter - **How much does it cost?** VT14979 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/203768190-niagara-cutter-n56183-cobalt-steel-square-nose-end-mill-weldon) ## Best For - niagara cutter enthusiasts ## Why This Product - Trusted niagara cutter brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size:9/16" The Niagara Cutter DPC560 uncoated cobalt steel double-end square end mill has four flutes and a 30-degree helix angle for general-purpose machining on a range of materials. The double-end design has cutting edges on both ends, allowing a new cutting surface to be substituted when the first shows wear, which doubles the tool’s life compared to single-end square nose end mills. Four flutes produce a better finish than two flutes. The cobalt steel substrate can be run at faster speeds and stays sharp longer than high-speed steel tools, while offering resistance to heat and abrasion. With no coating or surface treatment, this uncoated tool can be used on a broad range of materials. The 30-degree helix angle supports general-purpose applications. It balances lower angles’ strong cutting edge for difficult-to-machine materials with higher angles’ increased cutting action. The tool’s square end has straight cutting edges to create sharp, unrounded cuts. The center-cutting design has cutting teeth at the end of the tool. It can be fed straight into the workpiece like a drill bit for plunge cutting, and used for applications such as slotting and profiling. Cutting diameter tolerance is +0.000” to -0.0015”. This tool has a Weldon shank. End mills are designed to remove material and create multi-dimensional shapes and profiles. They have cutting edges along the outside diameter and flutes that remove chips from the cutting area and allow cooling fluids to enter. If heat is not reduced effectively, the tool’s cutting edges will dull and additional material buildup can occur. The number of flutes can range from two to eight. Two-flute designs offer the most efficient chip removal, but more flutes provide a smoother finish. The shank is the end of the tool held in place by a tool holder or machine. Center-cutting end mills can create three-dimensional shapes and profiles, and make plunge cuts similar to a drill bit. Non-center-cutting end mills are for applications such as peripheral milling and finishing, but cannot make plunge cuts. Niagara Cutter has been designing and manufacturing precision cutting tools since 1954. Specializing in end mills, cutting mills, and saws, the company is based in New York and manufactures its tools at facilities in Pennsylvania and Massachusetts. This allows the company control over production, from substrate to coating, which is essential for customers in a variety of industries, especially aerospace and automotive. ## Features - Four flutes produce a better finish than fewer flutes - Double-end square nose end mills (also called square end) create sharp, unrounded cuts and have cutting edges on both ends for longer tool life - Cobalt steel resists abrasion and high cutting temperatures, and has higher feed rates than high-speed steel - Uncoated (bright) tools have no additional surface treatment or coating for use on a broad range of materials - Center-cutting design allows the end mill to plunge into material like a drill bit while also performing conventional surface milling ## Images ![Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5" OAL, 0.563" Cut Diameter, 0.625" Shank Diameter - Image 1](https://images-na.ssl-images-amazon.com/images/I/71nO-o8UZTL.jpg) ![Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5" OAL, 0.563" Cut Diameter, 0.625" Shank Diameter - Image 2](https://images-na.ssl-images-amazon.com/images/I/6159iYizbOL.jpg) ![Niagara Cutter N56183 Cobalt Steel Square Nose End Mill, Weldon Shank, Uncoated (Bright) Finish, Roughing/Finishing Cut, 30-Degree, 4-Flute, 5" OAL, 0.563" Cut Diameter, 0.625" Shank Diameter - Image 3](https://images-na.ssl-images-amazon.com/images/I/7150Do9k3jL.jpg) --- ## 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.vu/products/203768190-niagara-cutter-n56183-cobalt-steel-square-nose-end-mill-weldon](https://www.desertcart.vu/products/203768190-niagara-cutter-n56183-cobalt-steel-square-nose-end-mill-weldon) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-17*