Looking for the best DURA-MAX Carbide Parting Insert? We offer 10 THINBIT DURA-MAX Carbide Parting Inserts, designed for precision cutting across various materials, ensuring clean, efficient, and long-lasting performance.
THINBIT DURA-MAX Carbide Parting Inserts are the ultimate solution for precision cutting. Designed for steel, cast iron, stainless steel, non-ferrous alloys, aluminium, and plastic, these inserts ensure clean, efficient cuts every time.
They reduce material loss and part deflection, making them perfect for precious metals and thin materials. With narrow widths and durable uncoated carbide, these inserts deliver long-lasting performance and unmatched precision.
List of Top 10 DURA-MAX Carbide Parting Insert
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
THINBIT 3 Pack LGPT045D2 ‘L’ Series, Uncoated Carbide, Parting Insert for Steel, Cast Iron and Stainless Steel with Interrupted Cuts |
This THINBIT parting insert is perfect for machinists and manufacturers working with steel, cast iron, and stainless steel. It’s ideal for cutting thin materials like tubing or small parts with minimal waste. |
|
![]() |
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, aluminum, and plastics. It’s ideal for cutting thin-walled tubing and small diameter parts, especially when you need to minimize material loss. |
|
![]() |
THINBIT 3 Pack LGPT045D5R ‘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. |
|
![]() |
THINBIT 3 Pack LGPT085D2 ‘L’ Series, Uncoated Carbide, Parting Insert for Steel, Cast Iron and Stainless Steel with Interrupted Cuts |
This THINBIT parting insert is perfect for machinists and manufacturers working with steel, cast iron, or stainless steel. It’s ideal for cutting thin materials like tubing or small parts with minimal waste. |
|
![]() |
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 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. |
|
![]() |
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. |
|
![]() |
THINBIT 3 Pack LGPT045D57L ‘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. |
|
![]() |
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. |
|
![]() |
THINBIT 3 Pack LGPT045D5R7R ‘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. |
|
![]() |
THINBIT 3 Pack LGPT062D5R7R ‘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. |
Detailed Reviews
Discover the top 10 DURA-MAX Carbide Parting Inserts, carefully selected for precision, durability, and value. Whether you’re cutting steel, aluminum, or plastic, this guide highlights the best tools for smooth, efficient results. Find the perfect insert to maximize performance and minimize material loss in your projects.
1. THINBIT 3 Pack LGPT045D2 ‘L’ Series, Uncoated Carbide, Parting Insert for Steel, Cast Iron and Stainless Steel with Interrupted Cuts

The THINBIT 3 Pack LGPT045D2 is a parting insert designed for steel, cast iron, and stainless steel. It’s perfect for interrupted cuts and works with Large series toolholders.
Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin wall tubing, and small parts. Cuts within .062″ of the collet face or shoulder.
Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″. Made with uncoated DURA-MAX 2000 carbide for durability. Works with straight or 90-degree toolholders.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This THINBIT parting insert is perfect for machinists and manufacturers working with steel, cast iron, and stainless steel. It’s ideal for cutting thin materials like tubing or small parts with minimal waste.
Ready to Purchase?
2. 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.
Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin wall tubing, and small parts. Works with M03 or M04 for flush cuts.
Use it for solid stock up to 1.000″ or tubing with .500″ walls. Made with uncoated DURA-MAX 5000 carbide. Pairs with Large series toolholders.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This THINBIT parting insert is perfect for machinists working with non-ferrous alloys, aluminum, and plastics. It’s ideal for cutting thin-walled tubing and small diameter parts, especially when you need to minimize material loss.
Ready to Purchase?
3. 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 uncoated and made from DURA-MAX 5000 carbide, ensuring durability and precision.
Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″. Works with Large series toolholders and RH straight or LH 90-degree setups.
| Pros | Cons |
|---|---|
|
|
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 LGPT085D2 ‘L’ Series, Uncoated Carbide, Parting Insert for Steel, Cast Iron and Stainless Steel with Interrupted Cuts

The THINBIT 3 Pack LGPT085D2 is a high-performance parting insert designed for steel, cast iron, and stainless steel. It’s perfect for interrupted cuts, ensuring smooth and precise results.
Its narrow widths reduce material loss and part deflection, making it ideal for precious metals, thin wall tubing, and small parts. It cuts within .043″ of the collet face or shoulder, offering maximum efficiency.
Use it with Large series toolholders or any straight/90-degree toolholder. Works for solid stock up to 1.000″ and tubing walls up to .500″. Uncoated DURA-MAX 2000 carbide ensures durability and longevity.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This THINBIT parting insert is perfect for machinists and manufacturers working with steel, cast iron, or stainless steel. It’s ideal for cutting thin materials like tubing or small parts with minimal waste.
Ready to Purchase?
5. 3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert, Uncoated Carbide for Steel, cast Iron and Stainless Steel with Interrupted cuts

The 3 Pack SPT025D2 THINBIT LITTLEBIT ‘S’ Series Parting Insert is a powerful tool for cutting steel, cast iron, and stainless steel. It’s uncoated carbide ensures durability and precision in every use.
Narrow widths reduce material loss and part deflection. Perfect for precious metals and small parts. Cuts close to the collet face or shoulder.
Use it for parting solid stock up to .400″ or tubing with walls up to .200″. Works with Small series toolholders for smooth, interrupted cuts.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 3 Pack SPT025D2 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?
6. 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’s perfect for clean, uninterrupted cuts.
Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin tubing, and small parts. Works flush to the collet face or shoulder.
Use it for solid stock up to .400″ or tubing walls up to .200″. Made with uncoated DURA-MAX 5000 carbide. Compatible with Large series toolholders.
| Pros | Cons |
|---|---|
|
|
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?
7. THINBIT 3 Pack LGPT045D57L ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts

The THINBIT 3 Pack LGPT045D57L is a parting insert designed for non-ferrous alloys, aluminium, and plastic. It’s perfect for clean cuts without interruptions. Use it with Large series toolholders for best results.
Its narrow widths reduce material loss and part deflection, making it ideal for precious metals and thin materials. It cuts within .062″ of the collet face or shoulder, ensuring precision.
Uncoated DURA-MAX 5000 carbide ensures durability. Works with straight or 90-degree toolholders. Check the Downloads section for more details.
| Pros | Cons |
|---|---|
|
|
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?
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’s perfect for clean cuts without interruptions.
Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin tubing, and small parts. Cuts as close as .062″ to the collet face or shoulder.
Use it for solid stock up to 1.000″ or tubing walls up to .500″. Works with Large series toolholders and any straight or 90-degree holder.
| Pros | Cons |
|---|---|
|
|
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. THINBIT 3 Pack LGPT045D5R7R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts

The THINBIT 3 Pack LGPT045D5R7R 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″. 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 side using M03 or sub-spindle side using M04. Use it with Large series toolholders for straight or 90-degree cuts.
Check the Downloads section below the photos for detailed product info and compatible toolholders. This insert is perfect for smooth, uninterrupted cuts in non-ferrous materials.
| Pros | Cons |
|---|---|
|
|
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?
10. THINBIT 3 Pack LGPT062D5R7R ‘L’ Series, Uncoated Carbide, Parting Insert for Non-Ferrous Alloys, Aluminium and Plastic Without Interrupted Cuts

The THINBIT 3 Pack LGPT062D5R7R 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, known for 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, accurate results.
Use it with Large series toolholders, either RH straight or LH 90-degree. It handles solid stock up to 1.000″ and tubing walls up to .500″, offering versatility and efficiency.
| Pros | Cons |
|---|---|
|
|
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?
Buying Guide
Choosing the best DURA-MAX carbide parting insert is easy with the right guide. These inserts are precision tools for cutting various materials. This guide helps you pick the perfect one for your needs.
Engaging Experience:
Imagine cutting through steel, aluminum, or plastic with unmatched precision. DURA-MAX inserts reduce material waste and deliver clean cuts every time. Whether you’re working on thin tubing or precious metals, these inserts make your job smoother and more efficient.
Factors to Consider When Buying:
– Material Compatibility:
Choose inserts based on the material you’re cutting. LGPT045D2 works for steel, cast iron, and stainless steel, while LGPT062D5R is for non-ferrous alloys, aluminum, and plastic.
-
Cut Type:
Decide if you need interrupted cuts (e.g., LGPT085D2) or uninterrupted cuts (e.g., LGPT045D5R). This ensures smooth and precise results. -
Toolholder Compatibility:
Check if the insert fits your toolholder. Large series toolholders work with most ‘L’ Series inserts, while Small series fits ‘S’ Series like SPT025D2. -
Width and Precision:
Narrow widths reduce material loss and part deflection. Ideal for thin materials and small parts. -
Carbide Grade:
DURA-MAX 2000 is great for steel and cast iron, while DURA-MAX 5000 excels with non-ferrous alloys and plastic. -
Cutting Depth:
Ensure the insert can handle your material thickness. For example, LGPT045D5R works for solid stock up to 1.000″ and tubing walls up to .500″. -
Flush Cutting Ability:
Some inserts, like LGPT045D5R7R, cut flush to the collet face or shoulder, perfect for precise finishes. -
Durability:
Uncoated carbide ensures long-lasting performance and durability in tough cutting conditions.
With these factors in mind, you’ll find the perfect DURA-MAX carbide parting insert for your cutting needs.