Looking for the best parting inserts to enhance your CNC lathe precision? We’ve curated a list of the top 10 parting inserts to help you achieve clean grooves and accurate cuts effortlessly.
Parting inserts are essential tools for precision cutting in CNC lathes. They help create clean grooves and accurate cuts in various materials. Choosing the right one can boost efficiency and save costs.
These inserts come in different sizes and coatings, each designed for specific tasks. Whether you’re working with steel, aluminum, or plastics, there’s a perfect match for your needs. Discover how they can transform your machining process.
We’ve tested and reviewed the best parting inserts to make your choice easier. From durable coatings to sharp edges, these tools deliver top performance. Dive in to find the ideal fit for your projects.
List of Top 10 Parting Inserts
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GTN-3 (SP300) Carbide Inserts, 3.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB326 SPB332 Holder, 10pcs |
GTN-3 (SP300) Carbide Inserts are perfect for CNC lathe users who need precise grooving and cut-off tools for steel and soft materials. Ideal for pipe fittings, thin-wall parts, and small parts processing, these self-locking blades fit SPB326 and SPB332 holders seamlessly. |
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Feyzor GTN-2 CNC Grooving Carbide Inserts Steel 10pcs, SP200 Lathe Cutting Tools, PVD Black Coating |
The Feyzor GTN-2 CNC Grooving Carbide Inserts are perfect for machinists and metalworkers who need precise and reliable cutting tools. Whether you’re working with stainless steel or regular steel, these inserts deliver clean grooves and accurate cuts every time. |
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THINBIT 3 Pack LGPT062D5R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts |
This THINBIT parting insert is perfect for machinists working with non-ferrous alloys, aluminium, and plastic. It’s ideal for cutting thin materials like precious metals, tubing, and small parts without wasting material. |
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Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2002×10 |
Accusize Industrial Tools GTN-2 Inserts are perfect for professionals needing precise and durable cutting tools. Ideal for detailed parting and grooving, these TiN-coated carbide inserts offer longevity and strength for high-speed tasks. |
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GTN-2 (SP200) Carbide Inserts, 2.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB226 SPB232 Holder, 10pcs |
The GTN-2 Carbide Inserts are perfect for CNC lathe users who need precise and efficient cutting tools. Ideal for steel processing, these self-locking blades are great for light interrupted cuts, pipe fittings, and small parts. |
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THINBIT 3 Pack LGPT045D5 ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts |
This THINBIT 3 Pack LGPT045D5 is perfect for anyone working with non-ferrous alloys, aluminium, or plastic. It’s ideal for cutting thin materials like precious metals, tubing, or small parts without wasting material. |
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1/2″ 3/8″ Indexable Lathe Grooving Parting Holder with 10 Pieces GTN- SP200 Heavy Duty Nickel Plated ZQ1212R02 Right -Hand Cut Off Tool Carbide Inserts (3/8″ ZQ1010R02 with 10pcs Inserts) |
This tool is perfect for machinists and hobbyists who need precision and durability. It’s ideal for grooving and parting tasks on a lathe. |
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3/8In Shank MGEHR1010-2 High Quality Lathe Grooving Cut-Off Parting Tool Holder with 11pcs MGMN200 Indexable Grooving Inserts for Steel, Stainless Steel |
This grooving tool holder is perfect for machinists and metalworkers who need reliable, high-quality tools. It’s ideal for cutting steel and stainless steel, offering long tool life and faster cutting speeds. |
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THINBIT 3 Pack LGPT085HSR7R ‘L’ Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting |
This THINBIT parting insert is perfect for cutting plastics, composites, and thin materials under tough conditions. It’s ideal for low RPM cutting and works great with precious metals, thin tubing, and small parts. |
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Zouzmin 5/8 “, 3/8” MGEHR/L MGIVR/L Lathe Grooving Cut-Off Parting Tool Holder with MGMN150/200 Carbide Grooving Inserts for Steel (2pcs 5/8 Grooving Holders with 10pcs mgmn150 Inserts) |
This Zouzmin grooving tool set is perfect for machinists and metalworkers who need reliable, high-performance tools. It’s ideal for grooving and cutting steel, offering long tool life and faster cutting speeds. |
Detailed Reviews
Discover the top 10 Parting Inserts handpicked for precision, durability, and value. Whether you’re cutting steel, aluminum, or plastics, this guide highlights the best tools for your needs. Find the perfect insert to boost your machining efficiency and achieve clean, accurate cuts every time.
1. GTN-3 (SP300) Carbide Inserts, 3.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB326 SPB332 Holder, 10pcs
The GTN-3 (SP300) Carbide Inserts are precision tools for CNC lathes. They have a 3.0mm cutting width, perfect for grooving and parting. The CVD yellow coating adds durability and smooth cutting.
These inserts are designed for steel, with high thermal shock resistance. They work well for light-interrupted cuts and soft materials. The self-locking blades fit SPB326 and SPB332 holders easily.
Use these for pipe fittings, thin-wall parts, and small components. They offer sharp edges, low cutting force, and smooth processing at low to medium speeds.
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Perfect For:
GTN-3 (SP300) Carbide Inserts are perfect for CNC lathe users who need precise grooving and cut-off tools for steel and soft materials. Ideal for pipe fittings, thin-wall parts, and small parts processing, these self-locking blades fit SPB326 and SPB332 holders seamlessly.
Ready to Purchase?
2. Feyzor GTN-2 CNC Grooving Carbide Inserts Steel 10pcs, SP200 Lathe Cutting Tools, PVD Black Coating
The Feyzor GTN-2 CNC Grooving Carbide Inserts are built to last. They come in a pack of 10 pieces, ready for your lathe cutting needs. The PVD black coating adds extra durability for tough jobs.
These inserts are perfect for stainless steel and steel processing. Their precision size ensures smooth, accurate cuts. The self-locking design keeps them secure during use.
They work with adjustable blades and grooving holders. Ideal for turning machines, they create clean grooves and precise cuts. A reliable choice for your machining tasks.
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Perfect For:
The Feyzor GTN-2 CNC Grooving Carbide Inserts are perfect for machinists and metalworkers who need precise and reliable cutting tools. Whether you’re working with stainless steel or regular steel, these inserts deliver clean grooves and accurate cuts every time.
Ready to Purchase?
3. THINBIT 3 Pack LGPT062D5R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts
The THINBIT 3 Pack LGPT062D5R is a parting insert designed for non-ferrous alloys, aluminium, and plastic. It features uncoated DURA-MAX 5000 carbide for smooth, uninterrupted cuts.
Use it with large series toolholders for solid stock up to 1.000″ or tubing with walls up to .500″. Narrow widths reduce material loss and part deflection, making it ideal for precious metals and small parts.
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Perfect For:
This THINBIT parting insert is perfect for machinists working with non-ferrous alloys, aluminium, and plastic. It’s ideal for cutting thin materials like precious metals, tubing, and small parts without wasting material.
Ready to Purchase?
4. Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2002×10
Accusize Industrial Tools GTN-2 inserts are precision engineered for detailed parting and grooving. They are ideal for specific cutting tasks.
These inserts have a compact cutting width of 0.078″, perfect for precise and intricate work. The TiN coating adds superior strength and longevity, especially during high-speed applications.
Made from Grade C6 material, these inserts offer exceptional wear resistance and toughness. They come in boxes of 10, ensuring you have a ready stock for sustained operational needs.
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Perfect For:
Accusize Industrial Tools GTN-2 Inserts are perfect for professionals needing precise and durable cutting tools. Ideal for detailed parting and grooving, these TiN-coated carbide inserts offer longevity and strength for high-speed tasks.
Ready to Purchase?
5. GTN-2 (SP200) Carbide Inserts, 2.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB226 SPB232 Holder, 10pcs
GTN-2 Carbide Inserts are precision tools for CNC lathes. They have a 2.0mm cutting width and are CVD yellow coated for durability.
These inserts are ideal for steel, offering sharp cutting edges and low cutting force. They fit SPB226 and SPB232 holders and work well for grooving and parting.
High thermal shock resistance ensures reliable performance. Perfect for soft materials and small parts. 10 pieces per pack.
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Perfect For:
The GTN-2 Carbide Inserts are perfect for CNC lathe users who need precise and efficient cutting tools. Ideal for steel processing, these self-locking blades are great for light interrupted cuts, pipe fittings, and small parts.
Ready to Purchase?
6. THINBIT 3 Pack LGPT045D5 ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts
The THINBIT 3 Pack LGPT045D5 is a parting insert designed for non-ferrous alloys, aluminium, and plastic. It works best for solid stock up to 1.000″ and tubing with walls up to .500″. Its narrow widths reduce waste and part bending.
This insert is made from uncoated DURA-MAX 5000 carbide, ensuring durability and precision. It’s perfect for precious metals, thin wall tubing, and small parts. Use it with large series toolholders for straight or 90-degree cuts.
Check the Downloads section for detailed product info and compatible toolholders. This insert cuts within .062″ of the collet face or shoulder, making it ideal for tight spaces.
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Perfect For:
This THINBIT 3 Pack LGPT045D5 is perfect for anyone working with non-ferrous alloys, aluminium, or plastic. It’s ideal for cutting thin materials like precious metals, tubing, or small parts without wasting material.
Ready to Purchase?
7. 1/2″ 3/8″ Indexable Lathe Grooving Parting Holder with 10 Pieces GTN- SP200 Heavy Duty Nickel Plated ZQ1212R02 Right -Hand Cut Off Tool Carbide Inserts (3/8″ ZQ1010R02 with 10pcs Inserts)
This lathe grooving parting holder is a heavy-duty tool designed for precision cutting. It comes with 10 carbide inserts, making it a complete package for your machining needs. The nickel-plated finish ensures durability and longevity.
The holder features a 1/2″ shank size and an overall length of 3.9″. It includes a M4x16 screw and an L3 wrench for easy setup. The GTN-2 insert stop guarantees accurate center height and precise depth of cut.
The SP200 carbide inserts have a 2mm grooving width and are tin-coated for enhanced performance. This right-hand cut-off tool is simple to use and adapts to any machine type. It’s a reliable choice for efficient machining.
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Perfect For:
This tool is perfect for machinists and hobbyists who need precision and durability. It’s ideal for grooving and parting tasks on a lathe.
Ready to Purchase?
8. 3/8In Shank MGEHR1010-2 High Quality Lathe Grooving Cut-Off Parting Tool Holder with 11pcs MGMN200 Indexable Grooving Inserts for Steel, Stainless Steel
The MGEHR1010-2 grooving tool holder is made of high-quality spring steel. It’s strong, durable, and resists wear.
Stable performance, wide versatility, and impact resistance make it reliable. The 1000-degree coating adds extra toughness.
It’s perfect for grooving and cutting steel. The package includes 1 holder and 10 inserts, ready for long-lasting use.
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Perfect For:
This grooving tool holder is perfect for machinists and metalworkers who need reliable, high-quality tools. It’s ideal for cutting steel and stainless steel, offering long tool life and faster cutting speeds.
Ready to Purchase?
9. THINBIT 3 Pack LGPT085HSR7R ‘L’ Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting
The THINBIT 3 Pack LGPT085HSR7R is a high-speed steel parting insert. It’s designed for tough cutting jobs. Use it for plastics, composites, and low RPM cutting.
It works well with precious metals, thin tubing, and small parts. The narrow width cuts flush to the collet face. It’s perfect for reducing material loss.
This insert fits Large series toolholders. Use it for parting solid stock up to 1.000″. It’s reliable for abusive cutting conditions.
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Perfect For:
This THINBIT parting insert is perfect for cutting plastics, composites, and thin materials under tough conditions. It’s ideal for low RPM cutting and works great with precious metals, thin tubing, and small parts.
Ready to Purchase?
10. Zouzmin 5/8 “, 3/8” MGEHR/L MGIVR/L Lathe Grooving Cut-Off Parting Tool Holder with MGMN150/200 Carbide Grooving Inserts for Steel (2pcs 5/8 Grooving Holders with 10pcs mgmn150 Inserts)
The Zouzmin Lathe Grooving Cut-Off Parting Tool Holder is a must-have for precision work. It includes 2 grooving holders and 10 carbide inserts. This set is perfect for steel processing.
The holders are high-strength and stiff, made from 42CrMo. They work with MGMN150/200 inserts for smooth cuts. The inserts are TIN-coated for longer life.
This tool offers faster cutting speeds and low friction. It performs well even in dirty environments. Get sharp, clean grooves every time.
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Perfect For:
This Zouzmin grooving tool set is perfect for machinists and metalworkers who need reliable, high-performance tools. It’s ideal for grooving and cutting steel, offering long tool life and faster cutting speeds.
Ready to Purchase?
Buying Guide
Parting inserts are key tools for CNC lathes. They help make clean cuts and save time. Picking the right one can boost your work.
Choosing the best parting inserts can transform your machining process. With the right tools, you’ll get cleaner cuts, less waste, and better results. Here’s what to consider when buying:
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Material Compatibility:
Choose inserts designed for the material you’re cutting, like steel, aluminum, or plastics. The right match ensures smooth cuts and longer tool life. -
Coating Type:
Coatings like CVD yellow, PVD black, or TiN add durability and heat resistance. They help the insert last longer, especially in tough jobs. -
Cutting Width:
Pick the right width for your task. Narrower widths reduce material waste and are great for small parts, while wider ones handle heavier cuts. -
Holder Compatibility:
Ensure the insert fits your tool holder. Check for self-locking designs or specific holder models like SPB326 or MGEHR1010-2. -
Application Needs:
Decide if you need inserts for grooving, parting, or interrupted cuts. Some are better for soft materials, while others handle hard metals. -
Pack Size:
Buying in packs of 10 or 3 saves money and ensures you have replacements ready. It’s a smart choice for busy workshops. -
Speed and Conditions:
Consider your cutting speed and environment. Some inserts work best at low to medium speeds, while others handle high RPMs or dirty conditions.
With these factors in mind, you’ll find the perfect parting insert for your needs. Happy machining!