Best Precious Metal Cutting Inserts

Looking for the best precious metal cutting inserts? We offer a curated list of the top 10 THINBIT parting inserts designed to deliver clean, efficient cuts for precious metals, ensuring professional results every time.

Cutting precious metals requires precision and the right tools. The THINBIT parting inserts are designed to deliver clean, efficient cuts every time. These inserts are perfect for precious metals, thin materials, and small parts.

They reduce material waste and part deflection, ensuring maximum efficiency. Their narrow widths and durable design make them ideal for delicate work.

With THINBIT inserts, you’ll achieve professional results effortlessly. Whether you’re working with gold, silver, or platinum, these tools are your perfect partner. Discover the best inserts for your needs and elevate your craftsmanship today.

List of Top 10 Precious Metal Cutting Inserts

Title	Best For	Price
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.	View on Amazon (paid link)
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.	View on Amazon (paid link)
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, ensuring minimal material loss and clean results.	View on Amazon (paid link)
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.	View on Amazon (paid link)
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.	View on Amazon (paid link)
THINBIT 3 Pack LGPT025HSR ‘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. It’s ideal for low RPM cutting and tough conditions, making it great for precious metals, tubing, and small parts.	View on Amazon (paid link)
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.	View on Amazon (paid link)
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, or small parts without wasting material.	View on Amazon (paid link)
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, and small parts.	View on Amazon (paid link)
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.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Precious Metal Cutting Inserts, carefully selected for precision and durability. These expert-approved tools reduce waste and deliver clean, efficient cuts for your most delicate projects. Find the perfect fit to elevate your work with ease.

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 reliable parting insert. It’s designed for precision cuts. Use it with non-ferrous alloys, aluminium, and plastic.

Its narrow widths reduce waste and part movement. It works flush to the collet face or shoulder. Ideal for precious metals and thin materials.

This uncoated carbide insert is durable and efficient. It fits Large series toolholders. Perfect for solid stock or tubing up to 1.000″.

Pros	Cons
Minimizes material loss with narrow widths for precious metals. Cuts flush to collet face or shoulder for precision. Handles solid stock up to 1.000″ and tubing up to .500″. Uncoated carbide for non-ferrous alloys, aluminium, and plastic.	Not for ferrous metals or materials with interrupted cuts. Requires specific toolholders, limiting versatility in setups. Uncoated carbide may wear faster in certain applications.

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?

View Price on Amazon (paid link)

Best Small Diameter Parting Tools

2. 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 and tubing without interrupted cuts. This uncoated carbide insert is part of the ‘L’ Series.

Its narrow widths reduce material loss and part deflection. It’s ideal for precious metals, thin wall tubing, and small diameter parts. Cuts can be made as close as .062″ from the collet face or shoulder.

Use it with Large series toolholders or any straight/90-degree toolholder. It handles solid stock up to 1.000″ and tubing walls up to .500″. Perfect for precise, efficient cutting.

Pros	Cons
Minimizes material loss with narrow widths for precious metals. Cuts close to collet face or shoulder, saving material. Handles non-ferrous alloys, aluminium, and plastic effortlessly. Versatile use with straight or 90-degree toolholders.	Not for ferrous metals or materials with interrupted cuts. Requires specific toolholders, limiting versatility in some setups. Uncoated carbide may wear faster in certain applications.

Perfect For:

Ready to Purchase?

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3. 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 and works best with interrupted cuts.

Narrow widths reduce material loss and part deflection. Perfect for precious metals, thin wall tubing, and small parts. Cuts close to the collet face or shoulder.

Use it for parting solid stock up to .400″ or tubing walls up to .200″. Works with Small series toolholders. Check the Downloads section for detailed info.

Pros	Cons
Minimizes material loss with narrow widths for efficient cutting. Perfect for thin walls and small parts, ensuring precise results. Handles steel, cast iron, and stainless with uncoated carbide durability. Cuts close to collet face, ideal for tight spaces.	No coating means faster wear, especially in tough materials. Limited to specific toolholders, reducing flexibility in use. Not for continuous cuts, only works with interrupted cuts.

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, ensuring minimal material loss and clean results.

Ready to Purchase?

View Price on Amazon (paid link)

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’s perfect for precise cuts without interruptions.

Narrow widths reduce material loss and part deflection. Ideal for precious metals, thin tubing, and small parts. Cuts flush to the collet face or shoulder.

Use for parting solid stock up to .400″ or tubing walls up to .200″. Works with Large series toolholders. Uncoated DURA-MAX 5000 carbide ensures durability.

Pros	Cons
Minimizes material loss with narrow widths for efficient cutting. Perfect for precious metals and thin-walled parts. Cuts flush to collet face or shoulder for precision. Durable uncoated carbide handles non-ferrous alloys and plastics effortlessly.	Limited to non-ferrous materials, not for steel or hard metals. No coating, may wear faster in tougher applications. Specific toolholders required, not universal for all setups.

Perfect For:

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5. 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 reliable parting insert for cutting non-ferrous alloys, aluminium, and plastic. It’s designed for smooth, uninterrupted cuts. Check the Downloads section for detailed product info.

Its narrow widths reduce material loss and part deflection, making it ideal for precious metals and thin-walled parts. Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″.

This uncoated carbide insert works with Large series toolholders. Pair it with a RH straight or LH 90-degree toolholder for best results. It’s a durable and efficient choice for your cutting needs.

Pros	Cons
Minimizes material loss with narrow widths for precious metals and thin parts. Cuts flush to collet face or shoulder for precise results. Handles solid stock up to 1.000″ and tubing up to .500″. Uncoated carbide for smooth cuts in non-ferrous alloys and plastic.	Not for ferrous metals or materials with interrupted cuts. Requires specific toolholders, limiting compatibility with other systems. Uncoated carbide may wear faster in certain applications.

Perfect For:

Ready to Purchase?

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6. THINBIT 3 Pack LGPT025HSR ‘L’ Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting

THINBIT 3 Pack LGPT025HSR 'L' Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting

The THINBIT 3 Pack LGPT025HSR is a high-speed steel parting insert. It’s perfect for cutting plastics, composites, and tough materials. Use it in low RPM cutting conditions.

Its narrow widths reduce waste and part bending. It’s ideal for precious metals, thin tubing, and small parts. Cuts flush to the collet face or shoulder.

Works with solid stock up to .400″ and tubing walls up to .200″. Use with Large series toolholders for straight or 90-degree cuts.

Pros	Cons
Minimizes material loss with narrow widths for efficient cutting. Perfect for plastics and composites in tough conditions. Flush cutting on spindle or sub-spindle for precise results. Uncoated HSS handles low RPM and abusive cutting easily.	Not for high RPM cutting, limiting speed in some applications. Uncoated steel may wear faster in tough conditions. Specific toolholders required, adding setup complexity.

Perfect For:

This THINBIT parting insert is perfect for cutting plastics, composites, and thin materials. It’s ideal for low RPM cutting and tough conditions, making it great for precious metals, tubing, and small parts.

Ready to Purchase?

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7. 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 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 .062″ of the collet face or shoulder, offering maximum efficiency.

Use it for parting solid stock up to 1.000″ or tubing with walls up to .500″. Works with Large series toolholders and straight or 90-degree holders.

Pros	Cons
Minimizes material loss with narrow widths, perfect for precious metals. Cuts close to collet face or shoulder, ideal for small parts. Handles steel, cast iron, and stainless steel with uncoated carbide. Versatile use with any straight or 90-degree toolholder.	No coating means faster wear in tough materials. Limited to specific toolholders, not all setups work. Narrow widths may break under heavy cutting pressure.

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?

View Price on Amazon (paid link)

8. 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 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 small 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 non-ferrous materials, delivering smooth, uninterrupted cuts. Check the Downloads section for detailed product info and compatible toolholders.

Pros	Cons
Minimizes material loss with narrow widths for precious metals and thin parts. Cuts flush to collet face or shoulder for precise results. Handles solid stock up to 1.000″ and tubing up to .500″. Uncoated carbide ensures durability for non-ferrous alloys and plastic.	Not for ferrous metals or materials with interrupted cuts. Requires specific toolholders, limiting versatility in setups. Uncoated carbide may wear faster in tough applications.

Perfect For:

Ready to Purchase?

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9. THINBIT 3 Pack LGPT062HSR ‘L’ Series, Uncoated High Speed Steel, Parting Insert for Plastics, Composites, Abusive Cutting Conditions and Low RPM Cutting

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 parting insert made from uncoated high-speed steel. It’s perfect for cutting plastics, composites, and tough materials under low RPM conditions.

Its narrow design reduces material waste and part bending. It works well with precious metals, thin tubes, and small parts, cutting flush to the collet face or shoulder.

Use it for parting solid stock up to 1 inch or tubing with walls up to 0.5 inches. Works with Large series toolholders and RH straight or LH 90-degree holders.

Pros	Cons
Minimizes material loss with narrow widths for efficient cutting. Cuts flush to collet face or shoulder for precise results. Handles tough jobs in abusive cutting conditions and low RPMs. Versatile use for plastics, composites, and precious metals.	Not for high RPM cutting, limiting speed in some applications. Uncoated steel may wear faster in tough cutting conditions. Specific toolholders required, adding extra setup steps.

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, and small parts.

Ready to Purchase?

View Price on Amazon (paid link)

10. 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 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 straight or 90-degree holders.

Pros	Cons
Minimizes material loss with narrow widths for efficient cutting. Perfect for precious metals and thin-walled parts. Cuts close to collet face or shoulder for precision. Uncoated carbide handles non-ferrous alloys and plastics smoothly. Works with any straight or 90-degree toolholder for versatility.	Not for ferrous metals or materials with interrupted cuts. Requires specific toolholders, limiting versatility in some setups. No coating may reduce lifespan in tougher applications.

Perfect For:

Ready to Purchase?

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Buying Guide

Cutting precious metals requires precision and the right tools. THINBIT parting inserts are designed for clean, efficient cuts every time. They’re perfect for precious metals, thin materials, and small parts.

Choosing the best inserts for your needs ensures professional results with minimal waste. Whether you’re working with gold, silver, or platinum, these tools are your perfect partner. Here’s what to consider when buying:

Material Compatibility:
Ensure the insert is designed for the material you’re cutting. THINBIT offers options for non-ferrous alloys, aluminium, plastic, steel, and stainless steel.
Insert Width:
Narrow widths reduce material loss and part deflection. Choose widths that match your project’s needs for precision.
Coating and Material:
Uncoated carbide is durable and efficient for most metals. High-speed steel is ideal for plastics, composites, and low RPM cutting.
Toolholder Compatibility:
Check if the insert fits your Large series or Small series toolholders. Some work with straight or 90-degree holders.
Cutting Conditions:
Decide if you need inserts for interrupted cuts or smooth, uninterrupted cuts. This affects the insert’s performance and lifespan.
Stock and Tubing Size:
Ensure the insert handles your material size. THINBIT inserts work with solid stock and tubing walls of various thicknesses.
Durability:
Look for durable designs like DURA-MAX 5000 carbide for long-lasting performance in tough conditions.

With these factors in mind, you’ll find the best inserts for your precious metal cutting needs. Elevate your craftsmanship today!