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The 8 Best internal grooving inserts of 2023

Are you trying to find internal grooving 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 internal grooving 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 14 hours of research and did 30 internal grooving 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 internal grooving inserts you can buy today

No. 1
GBJ MGIVR2016-2 with MGMN200-G 3020 Grooving Cut-Off Cutter Grooving Insert Boring Bar 16mm 5/8" Grooving Cut-Off Holder for MGMN200 Carbide Inserts Holder (MGIVR2016-2 + 10pcs MGMN200-G 3020)
  • 🎄 MGMN200 Inserts Material: Made of solid carbide with tin coated,suitable for steel and stainless steel parts processing.
  • 🎄 Coating: CVD , MGMN 200 Suitable for Steel and Stainless steel parts processing. Coating endows inserts strong impact resistance, good versatility with high precision, High finish and High wear resistance.
  • 🎄 Feature of Inserts: MGIVR offers long tool life and faster cutting speed, low friction coefficient. Good versatility with high precision, high finish and high wear resistance. Not easy to stick to the holders or workpieces. Vacuum hardening, exquisite craftsmanship, easy cutting.
  • 🎄 Feature of Cutting holder : MGIVR2016-2 uses strong steel as material, laser lettering on holder. Anti-rust oil wiped on holders to prevent from oxidation. Plastic box packing ,easier to store.
  • 🎄Holder Material : MGMN200-G Inserts adopt high quality carbide substrate and Balzas coating. Holders adopt high quality imported 40Cr steel. Durable for long time using.
No. 2
3/4" Internal Grooving Tool MGIVR2520-3 Boring Bar Lathe Turning Tool Holder 20mm Shank Grooving Cut-Off Cutter with 1PCS MGMN300 (3mm Width) Carbide Inserts for Metal CNC Machine Tools
  • Tool Holder: Made of High-Quality Alloy Steel 40CR, Using Free Forging Process, with Higher Mechanical Properties. Prompt Work Efficiency.
  • Blade: High-Quality Hard Alloy with Good Wear-Resistant Coating, Smooth Cutting Geometry, Effectively Improve the Life of The Tool.
  • High Temperature Heat Treatment Process, High Temperature Tempering, Greatly Improve The Strength, Hardness, Fatigue Resistance and Toughness of The Tool Holder, and The Surface is Bright.
  • The Blade Coating is Thicker, Sprayed by Stress Accumulation, More Stable And Wear-Resistant, And The Product Has a Higher Finish.
  • The Matching Blade Is Very Suitable For Processing Steel. Only Special Blade And Processing Materials Can Highlight The Value Of The Blade And Produce The Quality You Want.
No. 3
Zouzmin MGIVR2016-2 Lathe Internal Grooving Tools Boring Bars with MGMN200-G 10pcs indexable Carbide Grooving Inserts.
  • Model: MGIVR2016-2 MGMN200-G
  • About holders:made of High-Quality Alloy Steel 40CR, Using Free Forging Process, with Higher Mechanical Properties. Prompt Work Efficiency.
  • Coated:CVD MT-TiCN+Tic+Al2O3
  • Mainly used for semi-finishing of steel.
  • Package:10pcs insert(1box)+1 boring bar
No. 4
1Pcs MGIVR2016-1.5 Lathe Turning Grooving Holder and Wrench for MGMN150 Lathe Turning Inserts, Boring Bar Lathe Turning Tool Holder Internal Grooving Tool
  • 【HIGH PRECISION WORK 】This kind of CNC lathe tool has high precision in use and maintains very tight tolerances and also has unparalleled performance. This maximizes the efficiency of the lathe
  • 【CONVENIENT AND EASY】This kind of lathe turning holder is very convenient whether it is clamped or replaced, and the blade and pad can be replaced with a wrench without relevant tools.
  • 【PREMIUM STRUCTURE】This kind of CNC lathe rod and wrench has very superior rigidity, not only the structure is stable and not easy to bend and deform, but also the long service life greatly reduces the user's cost of the tool.
  • 【POWERFUL PROCESSING】This kind of CNC turning holder has strong grip, impact resistance and strong, clear speed advantage, which can cut larger edges and process,which make your work more efficient.
  • 【WIDE USE ENVIRONMENT】This kind of lathe grooving holder is not only easy to operate but also practical and can adapt to various processing environments, even in very dirty environments, such as cast iron, also has good functions.
No. 5
Maifix MGIVR2016-2.5 16mm Shank CNC Internal Turning 2.5mm Width Groove Cutting Metal Grooving Machine Tools
  • 【Application】-Internal Grooving/Boringg Tools
  • 【Size】- Shank: 16mm, Groove Width: 2.5mm
  • 【Inserts】-MGMN250,MGGN250
  • 【Package】- 1Pcs Tool-holder with Accessory Installed, Not Include the Carbide Inserts
  • 【Advantage】- Stable Turning With Cutting Forces, Improve Productivity
No. 6
THINBIT LR3406 3/4 inch Diameter, Round Internal toolholder. Reversible for Left or Right Hand Orientation. Use with Grooving, Turning, chamfering and Threading Inserts.
  • See Downloads section below item photos for detailed product information, technical information and compatible inserts.
  • Designed for CNC, Swiss and conventional machines. Toolholder includes: C Clamp, S3808 Screw, W1005 Wrench and P0305 Pin.
  • This toolholder is compatible with grooving, turning, chamfering and threading inserts. Use inserts beginning with 'L'.
  • When used for cutting undercuts along an internal shoulder, select: Left hand inserts for M03 rotation or Right hand inserts for M04 rotation.
  • U.S. Patent 6,688,816 and 6,824,333.
No. 7
Maizoon CNC Lathe Bit Tool Holder 4pcs S12M-SCLCR09 SCLCR1212H09 SCLCL1212H09 SCMCN1212H09 + 10pcs Carbide Inserts + 4pcs Wrench, Heavy Duty Lathe Internal Grooving Turning Boring Bar DZ07
  • High grip, impact resistance and strong, clear speed advantage, cut off bulk machining.
  • Profiling bar for semi-finishing and finishing operations.
  • Good toughness and hardness, long service life.
  • To reduce the tool grinding cost and improve the cutting efficiency.
  • 100% Satisfaction - Any problems with the products, do not hesitate to contact us. We will always be there with you. Best guarantee!
No. 8
Zouzmin 3/8" MGEHR Lathe Grooving Cut-Off Tool Holder with MGMN150/200/250/300/400 Grooving Inserts for Stainless Steel and Steel (3/8" MGEHR + MGMN150)
  • Package: 1 x 3/8" MGEHR1010-1.5 + 10pcsMGMN150
  • Mainly used for stainless steel and steel
  • The holder made from 40CrMo, high strength, high stiffness, good cushioning performance
  • The carbide inserts with TIN coating,good wear-resistance, sharp and non-stick blade
  • Used for grooving and cut off
No. 9
Grooving Tool Holder 5/8'' Shank - MGIVR2016-2 MGEHR1616-2 MGEHL1616-2 Turning Grooving Bar with 10PCS Indexable Carbide Grooving Inserts MGMN200 by IWONGO
  • Package Includes - 3pcs grooving bar(MGIVR2016-2/MGEHR1616-2/MGEHL1616-2) + 10PCS grooving inserts(MGMN200) + 3pc wrenches
  • Features - New process upgrade nitriding treatment to improve tool hardness and lubricity. High grip, impact resistance strong, speed cutting off and processing
  • Specification - Shank diameter is 5/8''(16mm), overall length 4''(100mm), MGIVR2016-2 overall length 7''(180mm), right hand cutting direction, TIN coated carbide insert is durable
  • Application - Screw-up structure makes assembly smooth and easy, widely used for a processing steel
  • After-Sales Service - 30 days no reason to return or exchange
No. 10
OSCARBIDE Carbide Grooving Inserts GTN-5(QC1405) Multilayer Coated CNC Lathe Inserts Cutters for Lathe Grooving Cut-Off Tool,10 Pieces/Pack
  • GTN-5(QC1405),Width: 0.160''
  • Material: made of solid carbide with multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
  • For cut-off and grooving
  • For cutting all steel and stainless steels and non-ferrous materials
  • 10pcs With a plastic box for convenient storage
No. 11
ZHIERPLUS CNC Inner Groove Lathe Tool Holder, SNGR0806J06 SNGR10K07 SNGR20R09 CNC Internal Grooving Lathe Tool Holder SNGR Micro Hole Indexable Lathe for 6GR 7GR 8GR 9GR
  • By using the impact force, the metal can deform freely in all directions between the upper and lower anvil surfaces, and the defects such as shrinkage cavity and air hole are eliminated, so that the tool blank has higher mechanical properties.
  • High temperature heat treatment process, using water, oil and other materials, low temperature rapid cooling, high temperature tempering, greatly improve the strength,hardness, wear resistance and toughness of the tool, the surface is bright.
  • Fine polishing , fine luster High quality diamond compound polishing is adopted to make the tool body hard
  • ln the work, the Insert is not easy to loose and has strong stability.
  • The cutter bar is made of high-quality 40cr material with strong hardness and good seismic resistance.
No. 12
RHFGYY 10pcs Cut Off Grooving Inserts MGMN150/200/250/300/400 Carbide Inserts Tin Coated 1.5/2/2.5/3/4mm Wide Grooving Carbide Inserts Lathe Cutters for MGEHR/MGIVR Lathe Grooving Cut-Off Tool
  • Size:MGMN150/200/250/300/400
  • Material: made of solid carbide with multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
  • Designed for Steel, cast iron and non-ferrous materials
  • Fit for MGEHR / MGIVR grooving cut-off tool.
  • Package includes:10pcs grooving inserts (2pcs per size), Contained in plastic boxes, easy to store, waterproof, rust-proof, and anti-oxidation.
No. 13
2PCS 5/8" MGIVR2016-2 MGIVL2016-2 Lathe Boring Bar Grooving Cut-Off Tool Holder with 2PCS MGMN200-G NC3020 Insert
  • Model:1PCS MGIVR2016-2 + 1PCS MGIVL2016-2 + 2PCS MGMN200-G NC3020
  • Shank Diameter: (5/8" inch / 16*16mm) ; Overall Length:( 6.3" inch / 160mm)
  • Grooving holder : Each tool holder is black oxidized smooth surface and tool hardness (HRC 48 degrees up and down) and precision are up to the first grade.
  • Insert : Turning inserts exquisite workmanship, high strength, high toughness, stable and durable.
SaleNo. 14
20 Pcs MGMN200-G Carbide Turning Internal Inserts, Blade for MGEHR/MGIVR Grooving Cut-Off Tool Holder
  • Model: MGMN200-G P3035
  • Style: Fit for MGEHR/MGIVR Grooving Cut-Off Tool Holder
  • Suitable for: for steel, copper and aluminum parts, wood, plastic, etc .
  • Package: 20pcs
No. 15
16 pcs 5/8” Grooving Tool Holder MGIVR2016-2 MGEHR1616-2 MGEHL1616-2 with MGMN200 Grooving Insert Turning Insert Carbide Insert for Aluminum Wood Stainless Steel Grooving Width 0.079"
  • About the holders:Material: 40Cr-42CrMo , HRC42-46 , imported steel .shank dia: 5/8"
  • About the MGMN200 (slivery): cutting width:2mm, design for Aluminum
  • About the MGMN200 (yellow):cutting width:2mm, design for stainless steel and steel
  • Contained in plastic boxes, easy to store, waterproof, rust-proof, and anti-oxidation.
  • Package Includes: 1xMGEHR1616-2 holder, 1xMGEHL1616-2 Holder,1x MGIVR2016-2 Holder,10pcs MGMN200 Inserts
No. 16
CDBP MRMN400-M Grooving Insert with tip Radius R2.0, Cut-Off Insert for 4mm Width, CVD Yellow Coating, 10pcs
  • Size, MRMN400-M, Width(B): 4mm, Radius(R): 2mm, Longth(L): 21mm, High(S): 4.8mm.
  • CVD coated yellow color grade, universal grade, suitable for steel and cast iron continuous cutting and interrupted cutting finishing to roughing. Grade with a wide range of applications. Stainless steel continuous cutting and interrupted cutting.
  • Soft material parting processing is preferred, sharp cutting edge, low cutting force, low and medium-speed feed processing, pipe fittings, thin-wall parts and small parts processing.
  • Long processing life, competitive price, high cost performance, with better working, suitable for stailess steel, carbon steel and heat-resistant steel processing. A high the thermal shock resistance, suitable for light interrupted cuts.
  • CDBP multifunctional tools can be used in different applications, such as parting, grooving, turning, end face and profiling machining. Unique installation and chip-breaker can ensure excellent performance and production efficiency.
No. 17
10 PCS Carbide Grooving Inserts SP200 NC3020 GTN-2(QC1402) CNC Lathe Carbide Inserts Cutters for Lathe Grooving Cut-Off Tool
  • 1. GTN-2(QC1402) Width: 0.079".
  • 2. Material:Carbide Threading Inserts with multilayer coated.
  • 3.multifunctional tools can be used in different applications, such as parting, grooving, turning, end face and profiling machining.
  • 4.offer long tool life and faster cutting speed low friction coefficient, good wear resistance.
  • 5.For cutting all steel and stainless steels and non-ferrous materials
No. 18
CDBP Carbide Grooving Inserts MGMN200-M for MGEHR/L and MGIVR/L Grooving Cut-Off Tool Holder, Installed with KOLORY, CVD Coating Metal Cutting, 10pcs.
  • Yellow colors CVD coating, use for a variety of steel and cast iron continuous and interrupted cutting finishing to roughing.
  • Size, Width(B): 2mm, Radius(R): 0.2mm, Longth(L): 16mm, Dimension(D): 1.2mm, Thickness(S): 3.5mm, fit for Korloy grooving holder.
  • When need excellent edge strength and high surface quality, provide the perfect smooth cutting.
  • Long processing life, competitive price, high cost performance, with better working range, A high the thermal shock resistance, suitable for light interrupted cuts.
  • Has more than 15 years of experience in producing carbide inserts
No. 19
OSCARBIDE Carbide Insert GTN-4(QC1404) Multilayer Coated CNC Carbide Grooving Inserts for Lathe Grooving Cut-Off Tool,5 Pieces/Pack
  • GTN-4(QC1404),Width: 0.160''
  • Material: made of solid carbide with multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
  • For cut-off and grooving
  • For cutting all steel and stainless steels and non-ferrous materials
  • 10pcs With a plastic box for convenient storage
No. 20
CDBP GTN-3 (SP300) CNC Grooving Carbide Inserts Steel Fit for SPB326/332 Lathe Grooving Metal Lathe Cutting Tools, 10pcs
  • Size, SP300, Width(B): 3.14mm, Radius(R): 0.2mm, Longth(L): 11mm
  • General material for parting and grooving processing, a nanocomposite coating of a AITiSi base, high temperature stability, good hardness. Small friction coefficient, reduce the adhesion between workpiece and insert cutting edge.
  • Soft material parting processing is preferred, sharp cutting edge, low cutting force, low and medium-speed feed processing, pipe fittings, thin-wall parts and small parts processing.
  • Long processing life, competitive price, high cost performance, with better working, suitable for stailess steel, carbon steel and heat-resistant steel processing. range, A high the thermal shock resistance, suitable for light interrupted cuts.
  • CDBP multifunctional tools can be used in different applications, such as parting, grooving, turning, end face and profiling machining. Unique installation and chip-breaker can ensure excellent performance and production efficiency.

How to choose a good internal grooving inserts

Does the idea of finding a fantastic internal grooving 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 internal grooving 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 internal grooving 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 internal grooving 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 internal grooving 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 internal grooving 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 internal grooving 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 internal grooving 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 internal grooving inserts.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting internal grooving 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 internal grooving 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 internal grooving 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 internal grooving inserts.