Looking for the best parting insert?
Discover expert-recommended options designed to deliver precision, speed, and durability for your cutting needs.
Parting inserts are essential tools for precision cutting. They help create clean, accurate grooves in various materials. Choosing the right insert can make your work faster and more efficient.
These tools come in different sizes and coatings. Each type is designed for specific tasks. Whether you’re working with steel or soft materials, there’s an insert for you.
Finding the best parting insert can feel overwhelming. But don’t worry—this guide will help you make the right choice. Get ready to upgrade your cutting experience!
List of Top 10 Parting Insert
| Image | Title | Best For | Price |
|---|---|---|---|
 |
Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2002×10 |
These Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts are perfect for precision machinists and metalworking professionals who demand accuracy and durability in their parting and grooving operations. Their compact size and tough TiN coating make them ideal for detailed work and high-speed applications, ensuring long-lasting performance and superior results. |
|
 |
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 self-locking blades offer sharp cutting edges and low cutting force, making them ideal for light-interrupted cuts and small parts processing. |
|
 |
CDBP SPB332-S/SPB32-3 Parting Blade with 10 pcs GTN-3 Carbide Inserts Parting Grooving Cut-Off Tool Set, Slotted Tool |
This CDBP SPB332-S/SPB32-3 Parting Blade Set is perfect for machinists and metalworkers who need precise cutting tools. It’s ideal for parting, grooving, and cut-off tasks in tool blocks like SMBB2032, SMBB2532, or SMBB3232. |
|
 |
KinRite 12pcs 3/8” Grooving Tool Holder MGEHR1010-1.5 with MGMN150 Grooving Insert Cut Off Parting Tools Turning Insert Carbide Insert for Steel Grooving Width 0.06″ (3/8″ Groovinng Holder + MGMN150) |
This KinRite 12pcs 3/8” Grooving Tool Holder is perfect for metalworkers and machinists who need to cut precise grooves in steel. It’s ideal for anyone looking for durable and efficient grooving tools. |
|
 |
ASZLBYM Lathe Turning Tools Slotted SPB26-3, Cutting Insert Lathe CNC SPB Grooving Cut-Off Tool with 12 pcs SP300 Carbide Inserts and 1pc SMBB1626 Grooving Parting Blade Plate |
This ASZLBYM Lathe Turning Tools set is perfect for metalworkers and machinists who need to efficiently process stainless steel parts. It’s designed for high precision and cutting efficiency, making it a reliable choice for demanding tasks. |
|
 |
Accusize Industrial Tools GTN-3 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2003×10 |
Accusize Industrial Tools GTN-3 Inserts are perfect for machinists who work with mild steel and stainless steel. They’re ideal for cut-off and grooving tasks at higher speeds. |
|
 |
GTN-4 (SP400) Carbide Inserts, 4.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB426 SPB432 Holder, 10pcs |
Perfect for machinists working with steel, these GTN-4 carbide inserts offer sharp cutting edges and low cutting force for precise grooving, cut-off tasks, and thin-wall parts. CVD coating boosts durability, while self-locking design ensures stability in SPB426/SPB432 holders during low-to-medium-speed jobs. |
|
 |
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 1/2″ 3/8″ Indexable Lathe Grooving Parting Holder is perfect for metalworking professionals and DIY enthusiasts who need to make precise grooves and cuts on their lathe. It’s designed for easy setup and accurate results, making it a valuable tool for any workshop. |
|
 |
1/2″ 3/8″ 5/8″ 3/4″ Indexable Lathe Grooving Parting Holder with 10 Pieces GTN- SP200 SP300 Heavy Duty Nickel Plated ZQ Right -Hand Cut Off Tool Carbide Inserts… (5/8″ ZQ1616R02 Holder + SP200) |
This heavy-duty lathe grooving and parting tool is perfect for machinists and DIY enthusiasts who need precise cuts and reliable performance for their metalworking projects. Its simple setup and durable construction make it a must-have for achieving professional results. |
|
 |
OSCARBIDE 3/4″Self-Lock Block SLTBN19-5 with Adjustable Blade NCIH26-3,Blade NCIH26-4,Tin Coated 5 pcs GTN-3 Carbide Inserts and 5 pcs GTN-4 Inserts Parting Grooving Cut-Off Tool Set |
This OSCARBIDE tool set is perfect for machinists and hobbyists who need a reliable cutting tool for grooving, parting-off, and chamfering. It’s ideal for working with steel and stainless steel, making it a great choice for semi-finishing and roughing tasks. |
Detailed Reviews
Discover the best parting inserts selected for peak performance and value. Our expert picks ensure you get the perfect cut every time. Dive in to find your ideal tool and master your machining tasks!
1. 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 feature a compact cutting width of 0.078″, perfect for intricate tasks.
These inserts are TiN coated for enhanced durability, made from Grade C6 material for exceptional wear resistance. Each box contains 10 pieces, ensuring ready stock for your needs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
These Accusize Industrial Tools GTN-2 Tin Coated Carbide Grooving Parting Inserts are perfect for precision machinists and metalworking professionals who demand accuracy and durability in their parting and grooving operations. Their compact size and tough TiN coating make them ideal for detailed work and high-speed applications, ensuring long-lasting performance and superior results.
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 high-quality cutting tools designed for CNC lathe grooving and cut-off operations. These 3.0mm width inserts feature a CVD yellow coating for enhanced performance and durability, making them ideal for steel processing.
They offer sharp cutting edges, low cutting force, and high thermal shock resistance, perfect for light-interrupted cuts and soft material parting. These inserts fit SPB326 and SPB332 holders, ensuring secure self-locking during use.
| Pros | Cons |
|---|---|
|
|
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 self-locking blades offer sharp cutting edges and low cutting force, making them ideal for light-interrupted cuts and small parts processing.
Ready to Purchase?
3. CDBP SPB332-S/SPB32-3 Parting Blade with 10 pcs GTN-3 Carbide Inserts Parting Grooving Cut-Off Tool Set, Slotted Tool
The CDBP SPB332-S/SPB32-3 Parting Blade is a versatile tool set for cutting and grooving. It includes one SPB332 parting blade and ten GTN-3 carbide inserts. This tool is designed for durability and precision.
The blade measures 1.26″ x 0.063″ x 5.906″ and fits various tool blocks like SMBB2032. Its moveable length feature allows for easy control of the cut depth. You won’t need a wrench to adjust it, making it user-friendly.
This set includes a 3mm thick carbide insert for efficient cutting. It is a great choice for anyone needing reliable and effective cutting tools.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDBP SPB332-S/SPB32-3 Parting Blade Set is perfect for machinists and metalworkers who need precise cutting tools. It’s ideal for parting, grooving, and cut-off tasks in tool blocks like SMBB2032, SMBB2532, or SMBB3232.
Ready to Purchase?
4. KinRite 12pcs 3/8” Grooving Tool Holder MGEHR1010-1.5 with MGMN150 Grooving Insert Cut Off Parting Tools Turning Insert Carbide Insert for Steel Grooving Width 0.06″ (3/8″ Groovinng Holder + MGMN150)
The KinRite 12pcs 3/8” Grooving Tool Holder is a great choice for your cutting needs. It includes a grooving holder and ten MGMN150 inserts. This tool is designed for steel grooving with a width of 0.06 inches.
The holder is made from high-quality steel, ensuring strength and durability. Its design allows for smooth chip removal and reduced sticking.
You will receive everything in a waterproof, rust-proof plastic box. This makes it easy to store and keeps your tools safe from damage.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This KinRite 12pcs 3/8” Grooving Tool Holder is perfect for metalworkers and machinists who need to cut precise grooves in steel. It’s ideal for anyone looking for durable and efficient grooving tools.
Ready to Purchase?
5. ASZLBYM Lathe Turning Tools Slotted SPB26-3, Cutting Insert Lathe CNC SPB Grooving Cut-Off Tool with 12 pcs SP300 Carbide Inserts and 1pc SMBB1626 Grooving Parting Blade Plate
The ASZLBYM Lathe Turning Tools set is a complete package for precision cutting. It includes a grooving cut-off blade tool holder, 12 carbide inserts, and a grooving parting blade plate. This set is perfect for stainless steel processing.
The SPB26-3 turning tool offers high precision and cutting efficiency. It is tough, shock-resistant, and deformation-proof. These features make it reliable for heavy-duty tasks.
All tools are packed in a plastic container for safe storage. The materials used ensure durability and longevity. Buy with confidence for your CNC lathe needs!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ASZLBYM Lathe Turning Tools set is perfect for metalworkers and machinists who need to efficiently process stainless steel parts. It’s designed for high precision and cutting efficiency, making it a reliable choice for demanding tasks.
Ready to Purchase?
6. Accusize Industrial Tools GTN-3 Tin Coated Carbide Grooving Parting Inserts, 10 Pcs/Box, 6103-2003×10
Accusize Industrial Tools GTN-3 inserts are TiN-coated carbide tools built for cut-off and grooving tasks. They work with SPH, SPD, and SPDZ holders, ensuring quick setup and reliable performance.
C6 grade TiN coating boosts durability for mild steel and stainless steel machining. Single-sided notation simplifies handling, and each box includes 10 pieces for steady supply.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Accusize Industrial Tools GTN-3 Inserts are perfect for machinists who work with mild steel and stainless steel. They’re ideal for cut-off and grooving tasks at higher speeds.
Ready to Purchase?
7. GTN-4 (SP400) Carbide Inserts, 4.0mm Width CNC Lathe Grooving Cut-Off Parting Tool for Steel, CVD Yellow Coating Self-Locking Blades fit for SPB426 SPB432 Holder, 10pcs
The GTN-4 (SP400) Carbide Inserts are designed for CNC lathe grooving and cut-off applications. These inserts have a width of 4.0mm and come with a CVD yellow coating for enhanced durability.
These inserts feature a self-locking design. They are perfect for light interrupted cuts. The sharp cutting edge allows for low cutting force.
These inserts fit various holders like the SPB426 and SPB432. They are ideal for processing soft materials, pipe fittings, and thin-wall parts.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Perfect for machinists working with steel, these GTN-4 carbide inserts offer sharp cutting edges and low cutting force for precise grooving, cut-off tasks, and thin-wall parts. CVD coating boosts durability, while self-locking design ensures stability in SPB426/SPB432 holders during low-to-medium-speed jobs.
Ready to Purchase?
8. 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)
Unlock precision with this 1/2″ 3/8″ Indexable Lathe Grooving Parting Holder. It’s designed for heavy-duty performance. Get ready for accurate cuts.
This holder features a simple, integral shank for easy setup. It adapts to any machine type.
The package includes 10 durable GTN- SP200 carbide inserts. Experience superior grooving and parting.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 1/2″ 3/8″ Indexable Lathe Grooving Parting Holder is perfect for metalworking professionals and DIY enthusiasts who need to make precise grooves and cuts on their lathe. It’s designed for easy setup and accurate results, making it a valuable tool for any workshop.
Ready to Purchase?
9. 1/2″ 3/8″ 5/8″ 3/4″ Indexable Lathe Grooving Parting Holder with 10 Pieces GTN- SP200 SP300 Heavy Duty Nickel Plated ZQ Right -Hand Cut Off Tool Carbide Inserts… (5/8″ ZQ1616R02 Holder + SP200)
This lathe grooving and parting tool is a heavy-duty solution for precision cutting. It includes a 5/8″ ZQ1616R02 holder and 10 SP200 carbide inserts. The nickel-plated design ensures durability and long-lasting use.
The GTN-2 insert stop guarantees accurate center height and precise depth of cut. The one-piece shank holder makes setup simple and adaptable. It works seamlessly with any machine type and turret configuration.
The package includes 1 mini lathe parting tool and 10 carbide inserts. This set is perfect for right-hand cut-off tasks and grooving widths of 2mm.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This heavy-duty lathe grooving and parting tool is perfect for machinists and DIY enthusiasts who need precise cuts and reliable performance for their metalworking projects. Its simple setup and durable construction make it a must-have for achieving professional results.
Ready to Purchase?
10. OSCARBIDE 3/4″Self-Lock Block SLTBN19-5 with Adjustable Blade NCIH26-3,Blade NCIH26-4,Tin Coated 5 pcs GTN-3 Carbide Inserts and 5 pcs GTN-4 Inserts Parting Grooving Cut-Off Tool Set
The OSCARBIDE 3/4″ Self-Lock Block SLTBN19-5 is a complete cutting tool set. It includes adjustable blades, carbide inserts, and a wrench. This set is perfect for precision work.
It comes with GTN-3 and GTN-4 carbide inserts, both TiN coated for durability. The set is ideal for grooving, parting, and cut-off tasks. It works with 3/4″ AXA lathe turning bits.
Packed in a sturdy aluminum case. Ready for steel and stainless steel machining. Great for semi-finishing and roughing.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This OSCARBIDE tool set is perfect for machinists and hobbyists who need a reliable cutting tool for grooving, parting-off, and chamfering. It’s ideal for working with steel and stainless steel, making it a great choice for semi-finishing and roughing tasks.
Ready to Purchase?
Buying Guide
Parting inserts are key tools for clean, precise cuts. They make your work faster and easier. This guide helps you pick the best one.
Factors to Consider When Buying Parting Inserts:
- Material: Choose inserts made for your material. Steel needs strong inserts. Soft materials need sharp, durable ones.
- Coating: Look for TiN or CVD coatings. They add durability and longevity to your inserts.
- Size: Match the insert width to your task. 3mm or 4mm widths work for different grooves.
- Holder Compatibility: Ensure the insert fits your holder. Check for SPB or ZQ series compatibility.
- Cutting Needs: Decide if you need grooving, parting, or cut-off tools. Some inserts do all three.
- Durability: Pick inserts with wear resistance for long-lasting use. Grade C6 material is a good choice.
- Packaging: Buy sets with multiple inserts for steady supply. Look for waterproof or aluminum cases for storage.
Upgrade your cutting experience with the right parting insert. Choose wisely for precision and efficiency!