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The 8 Best parting inserts of 2025

Are you trying to find parting inserts among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling parting inserts on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 15 hours of research and did 29 parting inserts tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best parting inserts you can buy today

No. 1
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
  • Indexable Cutting Tool Holder Set include 1 pc 3/4" SLTBN19-5 Tool Block. 1 pc NCIH26-3 adjustable blade with 5 pcs GTN-3 carbide inserts. 1 pc NCIH26-4 with 5 pcs GTN-4 Inserts and 1 pcs wrench.
  • CTN-3 carbide inserts made of carbide Grade C6,0.12" width, TiN Coated. GTN-4 carbide inserts, made of Carbide Grade C6, 0.16" width, TiN Coated
  • Suitable for varied Grooving,Cut-off,Parting-off,Chamfering
  • This cut-off tool kit works with tool holders that can hold 3/4" AXA lathe turning bits,Equipped carbide inserts for Semi-finishing/roughing machining of steel and stainless steel
  • Packed in perfect aluminum case
No. 2
Woodpeckers Turning Tools Replacement Insert, Square, For Woodpeckers USPT/Parting Tool Ci
  • SPECS - You will receive 1 replacement carbide insert designed to fit the Woodpeckers Parting Tool Ci (USPT).
  • SQUARE INSERT - This insert is fully-square for when you need a perfectly flat bottom.
  • NANO-GRAIN CARBIDE TECHNOLOGY - Woodpeckers inserts use a special nano-grain carbide matrix that rivals high speed steel for fine grain structure. The nano-grain carbide insert is ground on computerized equipment, polished to a razor-like edge and replaceable in seconds
  • INSERT ONLY - This item is for the replacement carbide insert only. For the full Part Tool Ci, you will need part number USPT.
  • MADE IN USA - This replacement insert is made in the USA.
No. 3
OSCARBIDE 5/8''x5/8"External Parting Grooving Cut-Off Tool Holder MGEHR10-3B with 10 Pieces Carbide Inserts MGMN300 for Cutting Steel
  • Tool holder MGEHR10-3B ,Shank Size (H x W): 5/8" x 5/8''
  • Solid carbide insert MGMN300 with multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
  • Double End,Thickness: 3.00 mm( 0.118")
  • The Tool Holder is High Temperature Heat Treatment Process, High Temperature Tempering, Greatly Improve The Strength, Hardness, Fatigue Resistance and Toughness
  • Cut-Off Holder, Parting Tool for Cutting Steel
No. 4
Accusize Industrial Tools 3/8" x 3/8'' Cut-Off Holder, Parting Tool, Mgehr06-2 of 2387-2003 with 10 Carbide Inserts for Cutting Steel, 2387-0003ins
  • Shank Size (H x W): 3/8" x 3/8".
  • MGEHR06-2 Width: 0.079''; Black oxided smooth finished.
  • MGMN-2 Double End Carbide Cut-Off Insert
  • TiN Coated Carbide Inserts
  • Corner Radius: 0.2mm
  • Comprehensive Set: Includes 1 indexable cut-off holder (MGEHR06-2J) and 10 MGMN200 carbide inserts for efficient steel cutting.
  • Dimensionally Precise: Holder size of 3/8" x 3/8", engineered for precision parting and grooving applications in machining operations.
  • Material Compatibility: Optimized for cutting steel, offering durability and performance in demanding machining tasks.
  • Enhanced Tool Life: Carbide inserts (SKU: 2403-4022) ensure extended tool life and reduced downtime in industrial metalworking.
  • Versatile Machining: Suitable for a wide range of machining environments, from hobbyist workshops to professional manufacturing floors.
No. 5
YUFUTOL 3/8"x1/2" Indexable Lathe Grooving Parting Holder QA06R-20J with 1 Piece Carbide Insert GTN-2(QC1402) Heavy Duty Right-Hand Lathe Cut Off Tool Carbide Inserts(QA06R-20J with 1 Piece Insert)
  • Holder’s size:QA06R-20J, Shank Size (B x H): 3/8" x 1/2", Overall Length (L): 3.5", Screw size: M4 x 12, Wrench Size: S3
  • Insert’s size: GTN-2, Tin Coated Carbide Insert, grooving width: 0.079". GTN-2 insert stop assures accuracy of center height and precise depth of cut
  • For external parting & grooving, profile/copy turning. Specially designed for cutting or in a certain range of diameters material cut-off and design
  • Opening of wide grooves by plunging and side turning,wedge clamping of insert provides superior stability in close quarters face grooving cuts
  • Simple set-up with one piece integral shank holder adapts easily to any machine type and turret configuration
No. 6
CDBP SPB326-S/SPB 3-26 Parting Grooving Lathe Tool Holder for GTN-3 Cut-Off Inserts, Slotting Tool, 1 PCS
  • SPB326 Parting Blade Size (H x W x L): 1.26" x 0.063"x 4.34''
  • Black oxided smooth finished
  • It is designed to hold a 3mm thick carbide grooving insert (Gtn-3 SP300)
  • Used in SMBB1626, SMBB2026, SMBB2526 Tool Block.
  • Moveable length to control the depth of cut, No Wrench
No. 7
YUFUTOL 1/2"x1/2" Indexable Lathe Grooving Parting Holder QA08R-20 with 1 Piece Carbide Insert GTN-2 Heavy Duty Right-Hand Lathe Cut Off Tool Carbide Inserts(QA08R-20 with 1 Piece Insert)
  • Holder’s size:QA08R-20, Shank Size (B x H): 1/2" x 1/2", Overall Length (L): 4.5", Screw size: M4 x 12, Wrench Size: S3
  • Insert’s size: GTN-2, Tin Coated Carbide Insert, grooving width: 0.079". GTN-2 insert stop assures accuracy of center height and precise depth of cut
  • For external parting & grooving, profile/copy turning. Specially designed for cutting or in a certain range of diameters material cut-off and design
  • Opening of wide grooves by plunging and side turning,wedge clamping of insert provides superior stability in close quarters face grooving cuts
  • Simple set-up with one piece integral shank holder adapts easily to any machine type and turret configuration
No. 8
Accusize Industrial Tools 3/8'' by 1/2'' Heavy Duty Indexable Grooving/Parting Holder with a Gtn-2 Tin Coated Carbide Insert, 2415-5022
  • For shallow precision grooving and profile/copy turning
  • O-ring. snap-ring, relief grooving and high production
  • Opening of wide grooves by plunging and side turning
  • Precision clamping and insert indexing accuracy
  • Stable under side cutting forces when profile turning
  • Optimized for Precision: Designed for shallow precision grooving, profile/copy turning. Comes with a GTN-2 TiN coated carbide insert for enhanced performance.
  • Versatile Machining Capability: Suitable for O-ring, snap-ring, relief grooving, and creating wide grooves through plunging and side turning. Ideal for high production settings.
  • Advanced Design for Stability: Features precision clamping and insert indexing accuracy. Engineered for maximum stability with minimal overhang during side cutting forces.
  • Specific Tool Dimensions: Shank dimensions of 1/2" width by 3/8" height with an overall length of 3-1/2". Insert thickness of 0.079" and cutting diameter of 0.63".
  • Model and Compatibility: Part of the QA series, including models QA06R-20J to QA16R-40D. Accompanied by a GB70-85/M4 X 10 screw for secure attachment.
No. 9
Parting Woodturning Lathe Carbide Tipped Grooving Tool with 2pcs Carbide Inserts and Copper Hoop
  • Parting Tool Size: Overall Length: 10" (250mm), Joint Diameter: 0.472" (12mm), Jointer Length: 1.96" (50mm)
  • Replaceable Parting Tool Blade: The tip of the replacement blade is welded with tungsten carbide material, which is high hardness so that can easily cut high-hardness wood than HSS blade. The tip can be sharpened or the blade is easy to replace, saving you money.
  • Shaft for Stability: The wood lathe parting tool bar is made of stainless steel CNC, not easy to rust, which is durable and hard. Square shaft for stability while turning (won’t twist) than round shaft tools, making it easy to keep tools flat on the tool rest. The stable shaft reduces the risks in the use process, so that each customer can obtain good woodworking cutting results in safe operation.
  • Excellent Results: Carbide lathe parting tool is ideal for cutting a narrow slot in the wood to separate it from the waste wood. It removes wood very quickly and leaves a flat cut on the bottom. Also, wood lathe parting tool cuts all materials smoothly and cleanly and is used to cut small grooves to create decorative features.
  • Replaceable Handles: In Dirtech's store, there are alloy handles in a variety of colors compatible with woodturning parting tool, as well as solid beech wooden handles for you choose. Of course, you can also make your own handle to match parting lathe tool bar.
  • Packaging Content: 1 x Parting Tool Bar without Tip, 2 x Parting Tool Blades, 2 x Screws, 1 x Copper Hoop, 1 x Wrench of T20
No. 10
OSCARBIDE 3/4" Indexable Lathe Grooving Parting Holder Heavy Duty Nickel Plated QA12R-30 Right -Hand Cut Off Tool with 10 Pieces Carbide Inserts GTN-3(QC1403)
  • Size:Shank Size (B x H): 3/4" x 3/4" Overall Length (L):5",Max cutting depth:1.18”
  • GTN-3 insert stop assures accuracy of center height and precise depth of cut
  • Simple set-up with one piece integral shank holder adapts easily to any machine type and turret configuration
  • Opening of wide grooves by plunging and side turning,wedge clamping of insert provides superior stability in close quarters face grooving cuts
  • For external parting & grooving, profile/copy turning

How to choose a good parting inserts

Does the idea of finding a fantastic parting inserts make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in parting inserts. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top parting inserts products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top parting inserts on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top parting inserts brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top parting inserts based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the parting inserts were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good parting inserts, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your parting inserts.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting parting inserts for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our parting inserts. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what parting inserts should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on parting inserts.