Looking for the best parting inserts to enhance your machining precision? We’ve curated a list of the top 10 parting inserts to help you achieve clean, accurate cuts every time.
Parting inserts are essential tools for precision cutting in machining. They help create clean, accurate cuts in various materials, from aluminum to stainless steel. Choosing the right insert can save time and reduce waste, making your work more efficient.
Whether you’re working with non-ferrous alloys, plastic, or steel, there’s a parting insert designed for your needs. Narrow widths and special coatings ensure durability and smooth cuts, even in delicate projects. These tools are perfect for small parts, thin walls, and precious metals.
We’ve tested and reviewed the best parting inserts to help you find the perfect match. Dive in to discover how these tools can transform your machining experience and deliver professional results every time.
List of Top 10 Parting Inserts
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THINBIT 3 Pack LGPT045D5R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts |
This THINBIT 3 Pack LGPT045D5R 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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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 and efficient cutting tools. Whether you’re working with steel, pipe fittings, or thin-wall parts, these CVD yellow-coated inserts offer sharp cutting edges and low cutting force, making them ideal for light-interrupted cuts and small parts processing. |
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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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THINBIT 3 Pack LGPT025D5R ‘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, or small parts without wasting material. |
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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 steel, these inserts deliver clean grooves and accurate cuts every time. |
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3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert, Uncoated Carbide for Steel, cast Iron and Stainless Steel with Interrupted cuts |
This 3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is perfect for machinists and manufacturers working with steel, cast iron, and stainless steel. It’s ideal for cutting thin materials like precious metals, tubing, and small parts with precision and minimal waste. |
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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 grooving and parting tasks, these TiN-coated carbide inserts offer longevity and strength for high-speed operations. |
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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 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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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 (SP200) Carbide Inserts are perfect for CNC lathe users who need precise grooving and cut-off tools for steel and soft materials. These self-locking blades work great for pipe fittings, thin-wall parts, and small parts processing. |
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MGMN200-G Cutting Grooving Inserts 2mm Parting Tool Purple Carbide Inserts with Wrench and Screw for Stainless Steel (MGMN200-G) |
This product is perfect for machinists and metalworkers who need reliable cutting tools. It’s ideal for working with steel and stainless steel, offering long-lasting performance and fast cutting speeds. |
Detailed Reviews
Discover the top 10 parting inserts tailored for precision and durability. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your needs. Whether you’re working with steel, aluminum, or plastic, this guide simplifies your choice with clear, easy-to-read insights.
1. THINBIT 3 Pack LGPT045D5R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts
The THINBIT 3 Pack LGPT045D5R is a parting insert designed for non-ferrous alloys, aluminium, and plastic. It works best for solid stock and tubing without interrupted cuts. This uncoated carbide insert is part of the ‘L’ Series, offering precision and durability.
Its narrow widths reduce material loss and part deflection, making it ideal for precious metals and thin-walled parts. It cuts flush to the collet face or shoulder, ensuring clean results. Use it with Large series toolholders for straight or 90-degree cuts.
This insert handles solid stock up to 1.000″ and tubing walls up to .500″. It’s perfect for small, delicate work where accuracy matters. Check the Downloads section for detailed specs and compatible toolholders.
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Perfect For:
This THINBIT 3 Pack LGPT045D5R 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?
2. 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 are perfect for steel cutting, grooving, and parting. The CVD yellow coating adds durability and smooth cutting.
These inserts have a 3.0mm width and self-locking blades. They fit SPB326 and SPB332 holders easily. The sharp cutting edge ensures clean, precise results.
Ideal for soft materials, these inserts handle thin-wall parts and small components well. They work best at low to medium speeds, offering low cutting force and high thermal resistance.
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Perfect For:
GTN-3 (SP300) Carbide Inserts are perfect for CNC lathe users who need precise and efficient cutting tools. Whether you’re working with steel, pipe fittings, or thin-wall parts, these CVD yellow-coated inserts offer sharp cutting edges and low cutting force, making them ideal for light-interrupted cuts and small parts processing.
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 narrow widths to reduce material loss and part deflection, making it ideal for precious metals, thin wall tubing, and small diameter parts.
Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″. It works with Large series toolholders and is uncoated for smooth cuts.
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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. THINBIT 3 Pack LGPT025D5R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts
The THINBIT 3 Pack LGPT025D5R is a parting insert designed for non-ferrous alloys, aluminium, and plastic. It works best with solid stock up to 0.400″ and tubing with walls up to 0.200″. This insert is uncoated and made from DURA-MAX 5000 carbide.
Its narrow widths reduce material loss and part deflection, making it ideal for precious metals, thin wall tubing, and small parts. It cuts flush to the collet face or shoulder on the main spindle or sub-spindle. Use it with Large series toolholders and RH straight or LH 90-degree setups.
For more details, check the Downloads section below the item photos. This insert is perfect for clean, uninterrupted cuts in non-ferrous materials. Pair it with the right toolholder for best results.
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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, or small parts without wasting material.
Ready to Purchase?
5. 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 high-quality cutting tools designed for precision work. They come in a pack of 10 pieces, perfect for various machining tasks.
These inserts feature a premium PVD black coating, making them durable and ideal for stainless steel and steel processing. The GTN-2 size ensures smooth and accurate cuts with its precise dimensions.
With a self-locking design, these inserts provide secure and reliable performance. They are compatible with multiple holders, offering versatility in machining operations. Create clean grooves and precise cut-offs with ease.
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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 steel, these inserts deliver clean grooves and accurate cuts every time.
Ready to Purchase?
6. 3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert, Uncoated Carbide for Steel, cast Iron and Stainless Steel with Interrupted cuts
The SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is a 3-pack of uncoated carbide inserts designed for steel, cast iron, and stainless steel. These inserts are perfect for interrupted cuts, making them a reliable choice for your machining needs.
With narrow widths, these inserts reduce material loss and minimize part deflection. They are ideal for precious metals, thin wall tubing, and small diameter parts. Cuts can be made within 1/16″ of the collet face or shoulder, ensuring precision in your work.
Use these inserts for parting solid stock up to .400″ or tubing with walls up to .200″. They work with Small series toolholders. Check the Downloads section for detailed product information.
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Perfect For:
This 3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is perfect for machinists and manufacturers working with steel, cast iron, and stainless steel. It’s ideal for cutting thin materials like precious metals, tubing, and small parts with precision and minimal waste.
Ready to Purchase?
7. Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2002×10
Accusize GTN-2 Carbide Inserts are precision-engineered for detailed work. They’re perfect for parting and grooving tasks. Each insert is built to last.
These inserts have a cutting width of 0.078″, ideal for precise cuts. They’re TiN coated for extra strength and longevity.
Made from Grade C6 material, they’re tough and wear-resistant. Each box contains 10 pieces, so you’re always ready for the job.
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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 grooving and parting tasks, these TiN-coated carbide inserts offer longevity and strength for high-speed operations.
Ready to Purchase?
8. 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 features narrow widths to reduce material loss and part deflection, making it ideal for precious metals and small parts.
Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″. Works with Large series toolholders and any straight or 90-degree toolholder.
| Pros | Cons |
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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?
9. 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 (SP200) Carbide Inserts are perfect for CNC lathe grooving and cut-off tasks. These 2.0mm width inserts feature a CVD yellow coating for longer tool life. They fit SPB226 and SPB232 holders with self-locking blades, ensuring secure and precise cuts.
These inserts work best on soft materials, offering sharp cutting edges and low cutting force. Ideal for light interrupted cuts, they excel in pipe fittings, thin-wall parts, and small parts processing.
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Perfect For:
GTN-2 (SP200) Carbide Inserts are perfect for CNC lathe users who need precise grooving and cut-off tools for steel and soft materials. These self-locking blades work great for pipe fittings, thin-wall parts, and small parts processing.
Ready to Purchase?
10. MGMN200-G Cutting Grooving Inserts 2mm Parting Tool Purple Carbide Inserts with Wrench and Screw for Stainless Steel (MGMN200-G)
MGMN200-G Cutting Grooving Inserts are 2mm parting tools made from solid carbide with a TiN coating. They are perfect for stainless steel and steel parts. Each insert offers high precision and long tool life.
The PVD coating ensures strong impact resistance and faster cutting speeds. The package includes 10 inserts, 2 wrenches, and 1 screw, making it ready for use with MGEHR/MGIVR tool holders.
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Perfect For:
This product is perfect for machinists and metalworkers who need reliable cutting tools. It’s ideal for working with steel and stainless steel, offering long-lasting performance and fast cutting speeds.
Ready to Purchase?
Buying Guide
Parting inserts are essential tools for precision cutting in machining. They help create clean, accurate cuts in various materials, from aluminum to stainless steel. Choosing the right insert can save time and reduce waste, making your work more efficient.
Buying Guide for Best Parting Inserts
When selecting the perfect parting insert, consider these key factors to ensure you get the best tool for your needs:
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Material Compatibility:
Choose inserts designed for the materials you work with, such as non-ferrous alloys, steel, or plastic. Using the right insert ensures clean cuts and longer tool life. -
Insert Width:
Narrow widths reduce material loss and part deflection, making them ideal for thin walls and small parts. Wider inserts are better for thicker materials. -
Coating:
Coatings like CVD, PVD, or TiN add durability and smooth cutting. Uncoated inserts work well for non-ferrous materials but may wear faster. -
Toolholder Compatibility:
Ensure the insert fits your toolholder for secure and precise cuts. Check compatibility with Large series or Small series holders. -
Cutting Type:
Decide if you need inserts for interrupted cuts or solid stock. Some inserts are designed specifically for tubing or precious metals. -
Precision and Durability:
Look for inserts with sharp cutting edges and high thermal resistance for accurate results and longevity. -
Pack Size:
Buying in packs of 3, 10, or more can be cost-effective and ensures you’re always ready for the job.
With these factors in mind, you’ll find the perfect parting insert to transform your machining experience and deliver professional results every time.