Looking for the best small diameter parting inserts? We’ve curated a list of top 10 options to help you achieve precision cutting with ease.
Small diameter parting inserts are essential tools for precision cutting. They help create clean, accurate grooves in various materials. Whether you’re working with metals, plastics, or composites, these inserts deliver reliable results.
Narrow widths reduce material waste and part deflection, making them perfect for small parts and thin materials. They work seamlessly with CNC lathes and toolholders, ensuring smooth operations every time.
Discover the best small diameter parting inserts tailored to your needs. From uncoated carbide to high-speed steel, find the perfect match for your projects. Upgrade your machining with confidence and precision.
List of Top 10 Small Diameter Parting Inserts
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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 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 and manufacturers working with non-ferrous alloys, aluminium, and plastic. It’s ideal for cutting thin materials like precious metals, tubing, and small parts with minimal waste. |
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Zouzmin MGGN Beveled 1.5mm-4mm Cutting Grooving Inserts Parting Tool Purple Carbide Inserts for Stainless Steel and Steel (MGGN200R-8 ZM25) |
Zouzmin MGGN Beveled Cutting Grooving Inserts are perfect for machinists and manufacturers who work with stainless steel and steel. These inserts offer long tool life, faster cutting speed, and high precision, making them ideal for grooving and parting tasks. |
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Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 NC3030 / Shank Diameter: 20pcs) |
This tool part is perfect for anyone using a metal lathe or CNC turning machine. It’s ideal for grooving and parting with tungsten carbide strength. |
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THINBIT 3 Pack LGPT062HSR ‘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 anyone working with plastics, composites, or cutting in tough conditions. It’s ideal for low RPM cutting and narrow cuts, making it great for precious metals, thin tubing, or small parts. |
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3 Pack SPT045D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert, Uncoated Carbide for Steel, cast Iron and Stainless Steel with Interrupted cuts |
This 3 Pack SPT045D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is perfect for machinists and metalworkers who need precise cuts on steel, cast iron, and stainless steel. It’s ideal for working with precious metals, thin wall tubing, and small parts. |
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Generic Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 NC3030 / Shank Diameter: 10pcs) |
This product is perfect for metalworkers and CNC operators who need reliable grooving inserts for their lathes. It’s ideal for precision cutting and parting tasks. |
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RHFGYY 5/8inch Indexable Lathe Grooving Parting Holder MGEHR1616-2 Spring Steel with 10 pcs MGMN200 Grooving Inserts Right Hand Cut Off Tool Carbide Inserts (5/8in holder + MGMN200) |
This RHFGYY 5/8inch Indexable Lathe Grooving Parting Holder is perfect for machinists and metalworkers who need reliable and durable tools. It’s ideal for cutting and grooving spring steel, die steel, and A3 steel, offering long tool life and faster cutting speeds. |
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DUPHA 1pcs MGEHR1010-3 Lathe Parting Cutting Tool Holder with 10 Inserts MGMN300 M NC3020 NC3030 PC9030 Grooving Turning Insert (Angle : MGEHR1010-3, Shank Diameter : No Insert) |
This lathe parting cutting tool holder is perfect for anyone who needs reliable and efficient tools for grooving and turning. It’s ideal for machinists and hobbyists looking for durable performance and smooth chip removal. |
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Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 PC9030 / Shank Diameter: 10pcs) |
This tool part is perfect for anyone using a metal lathe or CNC machine. It’s ideal for grooving and parting with tungsten carbide strength. |
Detailed Reviews
Discover the top 10 Small Diameter Parting Inserts in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your needs. Whether you’re cutting plastics, metals, or composites, this guide will help you make the best choice with confidence.
1. 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’s perfect for precise cuts without interruptions. Use it with Large series toolholders for best results.
Narrow widths reduce material loss and part deflection. It works well for precious metals, thin wall tubing, and small parts. Cuts flush to the collet face or shoulder.
This uncoated carbide insert handles solid stock up to 1.000″ and tubing walls up to .500″. Use it with RH straight or LH 90-degree toolholders. Check the Downloads section for more details.
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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?
2. 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’s perfect for clean, uninterrupted cuts.
Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin tubing, and small parts. Works with M03 or M04 spindle sides.
Use for solid stock up to 1.000″ or tubing walls up to .500″. Uncoated DURA-MAX 5000 carbide ensures durability. Compatible with Large series toolholders.
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Perfect For:
This THINBIT 3 Pack LGPT045D5R is perfect for machinists and manufacturers working with non-ferrous alloys, aluminium, and plastic. It’s ideal for cutting thin materials like precious metals, tubing, and small parts with minimal waste.
Ready to Purchase?
3. Zouzmin MGGN Beveled 1.5mm-4mm Cutting Grooving Inserts Parting Tool Purple Carbide Inserts for Stainless Steel and Steel (MGGN200R-8 ZM25)
Zouzmin MGGN Beveled Cutting Grooving Inserts are made of solid carbide with a TiN coating. They feature 8-degree and 15-degree tilt angles for left and right cutting.
These PVD-coated inserts work well with steel and stainless steel. They offer strong impact resistance, high precision, and long tool life.
Package includes 10 inserts. Fits MGEHR/MGIVR tool holders. Ideal for grooving and parting tasks.
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Perfect For:
Zouzmin MGGN Beveled Cutting Grooving Inserts are perfect for machinists and manufacturers who work with stainless steel and steel. These inserts offer long tool life, faster cutting speed, and high precision, making them ideal for grooving and parting tasks.
Ready to Purchase?
4. Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 NC3030 / Shank Diameter: 20pcs)
Grooving inserts are essential for metal lathe work. They help create precise cuts and clean grooves. These inserts fit SP200, SP300, SP400, PC9030, NC3020, and NC3030 models.
Made from tungsten carbide, these inserts are durable and long-lasting. They come in a pack of 20, making them a great value.
Perfect for CNC turning, these inserts make parting and grooving tasks easy. They are reliable and efficient, ensuring smooth operations.
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Perfect For:
This tool part is perfect for anyone using a metal lathe or CNC turning machine. It’s ideal for grooving and parting with tungsten carbide strength.
Ready to Purchase?
5. THINBIT 3 Pack LGPT062HSR ‘L’ Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting
The THINBIT 3 Pack LGPT062HSR is a high-speed steel parting insert. It’s perfect for cutting plastics, composites, and tough materials. Use it in low RPM cutting for best results.
Its narrow widths reduce waste and part bending. It’s ideal for precious metals, thin tubes, and small parts. Cuts flush to the collet face or shoulder.
Works with Large series toolholders. Use it with RH straight or LH 90-degree holders. Great for parting solid stock up to 1.000″ or tubing with walls up to .500″.
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Perfect For:
This THINBIT parting insert is perfect for anyone working with plastics, composites, or cutting in tough conditions. It’s ideal for low RPM cutting and narrow cuts, making it great for precious metals, thin tubing, or small parts.
Ready to Purchase?
6. 3 Pack SPT045D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert, Uncoated Carbide for Steel, cast Iron and Stainless Steel with Interrupted cuts
The 3 Pack SPT045D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is perfect for cutting steel, cast iron, and stainless steel. Its uncoated carbide design handles interrupted cuts with ease. Narrow widths reduce waste and work well for thin materials and small parts.
Use it for parting solid stock up to 1 inch or tubing with walls up to 0.5 inches. It works with Small series toolholders and cuts close to the collet face or shoulder.
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Perfect For:
This 3 Pack SPT045D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is perfect for machinists and metalworkers who need precise cuts on steel, cast iron, and stainless steel. It’s ideal for working with precious metals, thin wall tubing, and small parts.
Ready to Purchase?
7. Generic Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 NC3030 / Shank Diameter: 10pcs)
Upgrade your machining with the Generic Tool Part. It fits SP200, SP300, SP400, PC9030, NC3020, and NC3030 models. This part is perfect for grooving and parting.
Made from tungsten carbide, it ensures durability and precision. The 10-piece set offers great value for your projects.
Enhance your CNC turning with this reliable tool. It’s easy to use and built to last. Get smooth, accurate results every time.
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Perfect For:
This product is perfect for metalworkers and CNC operators who need reliable grooving inserts for their lathes. It’s ideal for precision cutting and parting tasks.
Ready to Purchase?
8. RHFGYY 5/8inch Indexable Lathe Grooving Parting Holder MGEHR1616-2 Spring Steel with 10 pcs MGMN200 Grooving Inserts Right Hand Cut Off Tool Carbide Inserts (5/8in holder + MGMN200)
Get precise cuts with the RHFGYY 5/8inch Indexable Lathe Grooving Parting Holder. This durable tool includes a spring steel holder and 10 carbide inserts for long-lasting performance.
The holder is anti-rust and anti-vibration, while the inserts are TiN-coated for high wear resistance. Perfect for steel cutting, it offers faster speeds and smooth finishes.
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Perfect For:
This RHFGYY 5/8inch Indexable Lathe Grooving Parting Holder is perfect for machinists and metalworkers who need reliable and durable tools. It’s ideal for cutting and grooving spring steel, die steel, and A3 steel, offering long tool life and faster cutting speeds.
Ready to Purchase?
9. DUPHA 1pcs MGEHR1010-3 Lathe Parting Cutting Tool Holder with 10 Inserts MGMN300 M NC3020 NC3030 PC9030 Grooving Turning Insert (Angle : MGEHR1010-3, Shank Diameter : No Insert)
The DUPHA MGEHR1010-3 Lathe Parting Cutting Tool Holder is a high-quality and durable tool for your machining needs. It comes with 10 inserts and is designed for stable performance and efficient cutting.
This tool holder features anti-vibration technology, smooth chip removal, and a secure fasten structure. It’s built to last and makes your work faster and easier.
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Perfect For:
This lathe parting cutting tool holder is perfect for anyone who needs reliable and efficient tools for grooving and turning. It’s ideal for machinists and hobbyists looking for durable performance and smooth chip removal.
Ready to Purchase?
10. Tool Part for SP200 SP300 SP400 PC9030 NC3020 NC3030 Grooving Inserts Metal Lathe Tool CNC Turning Insert Parting and Grooving Inserts – (Angle: SP200 PC9030 / Shank Diameter: 10pcs)
Enhance your metalworking with these grooving inserts. Designed for CNC turning, they fit SP200, SP300, SP400, PC9030, NC3020, and NC3030 models.
Tungsten carbide ensures durability and precision. Each insert is built to last. Shank diameter matches 10pcs for easy use.
Perfect for parting and grooving, these inserts deliver smooth cuts. Upgrade your lathe tools with this reliable choice.
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Perfect For:
This tool part is perfect for anyone using a metal lathe or CNC machine. It’s ideal for grooving and parting with tungsten carbide strength.
Ready to Purchase?
Buying Guide
Small diameter parting inserts are essential tools for precision cutting. They help create clean, accurate grooves in various materials.
Choosing the right small diameter parting inserts can upgrade your machining with confidence and precision. Here’s what to consider:
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Material Compatibility:
Choose inserts that match the materials you work with, like metals, plastics, or composites. Different coatings and materials, such as carbide or high-speed steel, perform better with specific materials. -
Insert Width:
Narrow widths reduce material waste and part deflection, making them ideal for small parts and thin materials. Ensure the width fits your project needs. -
Coating and Material:
Coated inserts, like TiN-coated carbide, offer durability and wear resistance. Uncoated carbide works well for non-ferrous alloys and plastics. -
Toolholder Compatibility:
Check if the inserts work with your CNC lathes and toolholders. Compatibility ensures smooth operations and reliable results. -
Cutting Conditions:
Consider the cutting conditions, such as RPM and material hardness. Some inserts are designed for low RPM cutting or abusive conditions. -
Pack Size and Value:
Look for pack sizes that offer great value. Buying in 3-packs or 10-packs can save costs and ensure you have replacements ready. -
Precision and Durability:
Choose inserts with high precision and long tool life. Features like anti-vibration technology and smooth chip removal enhance performance. -
Application Specifics:
Select inserts tailored to your tasks, such as grooving, parting, or interrupted cuts. Specialized inserts deliver better results for specific applications.
With these factors in mind, you’ll find the best small diameter parting inserts to enhance your machining and achieve smooth, accurate results every time.