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At Cutwel, we supply one of the UK’s largest ranges of boring bar lathe tools, carbide inserts, and lathe tool holders. Whether you’re working with a metal lathe or need carbide tools, our selection includes premium brands such as YG-1 and Korloy. From boring bars and milling bars to precision toolholders, our catalogue covers all your turning tool needs.
Our range also includes insert tools, tool holders, and specialist carbide tools designed for high-performance machining. Browse the full range of metal lathe cutting tools and find the right tools for the lathe in any workshop.
Here's a summary of all the solutions we can provide to ensure you get the right tool for the right application:
Cutwel’s ISO turning range encompasses a complete suite of high‑performance turning solutions:
Cutwel stocks industry‑leading brands known for quality and performance, including: Korloy, YG‑1, Teknik, and our in‑house Cutwel Pro line, ensuring you get reliable tooling tailored to your needs.
When selecting the right lathe tool for your application, evaluate these key factors to ensure optimal performance and tool life:
Cutwel's technical team can recommend the ideal lathe tool for your application based on your machine type, material, and application. Contact us now or explore the full range.
Here’s why Cutwel stands out as a trusted supplier of ISO turning cutting tools:
A turning tool is the complete cutting tool used on a lathe, made up of a tool holder (the body) and a replaceable turning insert (the cutting edge).
The turning tool holder securely clamps the insert, positioning it at the correct angle for consistent and accurate cutting.
A turning insert is the replaceable cutting tip that sits inside a lathe tool holder or boring bar. It is the part of the tool that makes contact with the workpiece and performs the actual cutting.
The most common and versatile option is the carbide turning insert, used as the industry standard for machining steels, stainless steels, and cast irons. Carbide inserts deliver a balance of toughness, heat resistance, and cost efficiency, making them the go-to choice for everyday turning.
For specialist applications, inserts can also be made from CBN, PCD, or ceramic — offering longer tool life or higher performance in hardened steels, aluminium, and superalloys.
A boring bar is a type of turning tool holder designed for internal machining on a lathe. It holds a replaceable insert and is used to enlarge, finish, or refine holes with high accuracy and surface quality.
To use a boring bar, mount it securely in the lathe tool post or turret, fit the correct insert, and align it with the workpiece hole. Once set up, the boring bar allows precise internal cutting, improving hole diameter, accuracy, and surface finish.
Ceramic turning inserts are specialist tools designed for high-speed machining of cast iron and heat-resistant superalloys. They withstand extreme cutting temperatures and deliver excellent tool life in continuous operations, making them ideal for finishing tough materials faster than standard carbide inserts.
CBN (Cubic Boron Nitride) inserts are designed for high-speed turning of hardened steels, superalloys, and cast irons. They deliver exceptional wear resistance and are ideal for hard finishing where accuracy and surface quality are critical.
PCD (Polycrystalline Diamond) inserts provide unmatched sharpness and durability when machining aluminium, non-ferrous metals, composites, and abrasive materials. They’re especially effective in high-volume production, delivering consistent finishes and reducing downtime.
Cutwel’s CBN and PCD ranges cover the most popular ISO shapes and sizes, offering both standard and specialist turning solutions.
With Cutwel, you get expertly selected ISO turning inserts, tool holders, and boring bars from trusted brands or our own high-quality Cutwel Pro line. Backed by expert advice, fast delivery, and flexible value options, it's never been easier to enhance surface finish, tool life, and machining productivity.
Explore our full range now or get in touch with our technical team on 01924 869 615 to find the ideal solution tailored to your material and machine setup.
A huge range of grades and chipbreakers for all applications.
Eliminate the need for additional grinding processes when machining high hardened steels.
Designed for turning high silicon aluminium, carbon fibre, glass fibre and abrasive plastics.
UK’s leading range of turning tool holders from leading brands.
UK’s leading range of boring bars from leading brands.
Ensures work efficiency by increasing cutting speeds compared to standard carbide inserts.
Double clamp turning tool holders are suitable for machining in very tough cutting conditions.
Double clamp boring bars are suitable for machining in very tough cutting conditions.
Ensures work efficiency by increasing cutting speeds compared to standard carbide inserts.
High performance carbide drills designed for drilling flat, inclined & curved surfaces. 2-3x quicker than drilling with a slot drill.
High performance drills for deep hole drilling with high accuracy and high penetration rates up to 40xD.
Designed for high feed drilling of steel and cast iron with up to 2x faster feed than a standard 2 flute drill.
High performance carbide drills dedicated for small diameter machining from 0.1mm.
Hexagonal and cylindrical shank drilling can be performed on NC machines as well as on manual machines with three or four-jaw chucks.
For carbon fibre, glass reinforced plastic & honeycomb composites.
A huge range of grades and chipbreakers for all applications.
Eliminate the need for additional grinding processes when machining high hardened steels.
Designed for turning high silicon aluminium, carbon fibre, glass fibre and abrasive plastics.
UK’s leading range of turning tool holders from leading brands.
UK’s leading range of boring bars from leading brands.
Ensures work efficiency by increasing cutting speeds compared to standard carbide inserts.
Double clamp turning tool holders are suitable for machining in very tough cutting conditions.
Double clamp boring bars are suitable for machining in very tough cutting conditions.
High performance carbide drills designed for drilling flat, inclined & curved surfaces. 2-3x quicker than drilling with a slot drill.
High performance drills for deep hole drilling with high accuracy and high penetration rates up to 40xD.
Designed for high feed drilling of steel and cast iron with up to 2x faster feed than a standard 2 flute drill.
High performance carbide drills dedicated for small diameter machining from 0.1mm.
Hexagonal and cylindrical shank drilling can be performed on NC machines as well as on manual machines with three or four-jaw chucks.
For carbon fibre, glass reinforced plastic & honeycomb composites.
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