Best Internal Grooving Inserts in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Accusize Tools | 9.83 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GBJ-1 | 8.57 | ✅ | ✅ | ✅ |
🎄 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GBJ-1 | 8.57 | ✅ | ✅ | ✅ |
🎄 Inserts Material : Carbide inserts with CVD Coating. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
🎄 GTN-2 Insert Applicaiton: Suitable for Stainless steel parts processing.
🎄 SP200 Inserts Feature: Coating endows inserts strong impact resistance, good versatility with high precision, high finish .Vacuum hardening, exquisite craftsmanship, easy cutting.
🎄 Advantage : sp200 blades have feature of wear-resistant and heat-resistant, not easy to stick to the holders or workpieces .Vacuum hardening, exquisite craftsmanship, easy cutting.
🎄 Package includes: 10pcs SP200 Gold Grooving cut-off inserts
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PULCUT | 6.37 | ✅ | ✅ | ✅ |
Size, SP400,Width(B): 4.14mm, Radius(R): 0.25mm, Longth(L): 11mm, fit for Korloy grooving holder.
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PULCUT | 6.37 | ✅ | ✅ | ✅ |
Size, MRMN300-M, Width(B): 3mm, Radius(R): 1.5mm, Longth(L): 21mm, Thickness(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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FomaSP | 5.48 | ✅ | ✅ | ✅ |
Grey colors PVD coating, good for working steel, stainless steel, cast iron.
Size, Width(B): 4.1mm, Radius(R): 0.25mm, Longth(L): 11.3mm, fit for Korloy grooving holder.
General chipbreaker for grooving working, with better chip breaker, good material and more efficiency
Long processing life, competitive price, high cost performance
Has more than 15 years of experience in producing carbide inserts
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maifix Machine Tools | 5.20 | ❌ | ❌ | ❌ |
【Application】-Internal Grooving/Boringg Tools
【Size】- Shank: 16mm, Groove Width: 2mm
【Inserts】-MGMN200,MGGN200
【Package】- 1Pcs Tool-holder with Accessory Installed, Not Include the Carbide Inserts
【Advantage】- Stable Turning With Cutting Forces, Improve Productivity
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maifix Machine Tools | 5.20 | ❌ | ❌ | ❌ |
【Tools】- MGEHR/L,MGHH,MGEVR/L,MGIVR/L...External Interanl Groove Cutting Tools
【Package】- 10pcs in one pack
【Material】- Tungsten Carbide
【Machining】- Copper or Aluminum Grooving/Cut-Off Processing
【Advantage】- Allows Faster Machining And Leaves Better Finished on Metal Parts, High Precesion and Productive
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FomaSP | 5.48 | ✅ | ✅ | ✅ |
Grey colors PVD coating, use for a variety of stainless steel finishing and semi-finishing at medium to low cutting speed.
Size, Width(B): 4mm, Radius(R): 0.4mm, Longth(L): 21mm, (D): 3.3mm, (S): 4.8mm, 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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PULCUT | 6.42 | ✅ | ✅ | ✅ |
Size, MGMN300-M, Width(B): 3mm, Radius(R): 0.4mm, Longth(L): 21mm, Dimension(D): 1.2mm, Thickness(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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
UN-60 degree full profile threading insert
Right hand cutting direction
Tolerance class is 2A/2B
Screw pitch is 8 TPI
Thickness is . 143"
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ZhiXS | 7.71 | ✅ | ✅ | ✅ |
Grooving cut-off carbide inserts are made of high quality carbide material, not easy to rust and durable.
Carbide Inserts are hard and sharp, cutting faster and more efficient.
Suitable for turning and finishing machining steel, stainless steel, cast iron and non-ferrous metals materials.
10 pieces cut-off grooving inserts in a plastic box, easy to store.
Model:SP200 / GTN-2
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GBJ-1 | 8.53 | ❌ | ❌ | ❌ |
☞Material : Inserts adopt high quality carbide substrate and Balzas coating. Holders adopt high quality imported 40Cr steel. Durable for long time using.
☞Feature of Cutting holder : Strong steel as material, laser lettering on holder. Anti-rust oil wiped on holders to prevent from oxidation. Plastic box packing ,easier to store.
☞Feature of Inserts: 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.
☞Application: CVD coating, suitable for steel and stainless steel parts processing.
☞Package includes: KTGFR 1212H16 + 10pcs × TGF32R 100 BP1025 Grooving cutter
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maifix Machine Tools | 5.20 | ❌ | ❌ | ❌ |
【Tools】- MGEHR/L,MGHH,MGEVR/L,MGIVR/L...External Interanl Groove Cutting Tools
【Package】- 10pcs in one pack
【Material】- Tungsten Carbide
【Machining】- Finishing in Grooving Profiling of Steel Parts
【Advantage】- Allows Faster Machining And Leaves Better Finished on Metal Parts, High Precesion and Productive
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RHFGYY | 5.46 | ✅ | ✅ | ✅ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SHHSKJ | 5.98 | ❌ | ❌ | ❌ |
Model: MGIVR2016-4
About holders:made of High-Quality Alloy Steel 40CR, Using Free Forging Process, with Higher Mechanical Properties. Prompt Work Efficiency.
Screw:M4x10 Wrench:T15
Moderate toughness and rigidity, impact resistance, good seismic performance.
Package:1 boring bar with insert
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BestPartsCom | 9.72 | ❌ | ❌ | ❌ |
Model: MGMN200-G P3035
MGMN200-G Carbide Inserts fit for MGEHR/MGIVR Grooving Cut-Off Tool Holder
Suitable for: for steel, copper and aluminum parts, wood, plastic, etc .
Package : 10pcs
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SHHSKJ | 5.98 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SHHSKJ | 5.98 | ❌ | ❌ | ❌ |
Model: MGIVR2016-3
About holders:made of High-Quality Alloy Steel 40CR, Using Free Forging Process, with Higher Mechanical Properties. Prompt Work Efficiency.
Screw:M4x10 Wrench:T15
Moderate toughness and rigidity, impact resistance, good seismic performance.
Package:1 boring bar with insert
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mallory Safety and Supply | 8.47 | ❌ | ❌ | ❌ |
Pack of 1
Insert Thickness (S) 0.195″
Application | Int. & Ext. Grooving Flo Lock |
Body Material Carbide
Cutting Edge Length (L) 0.405″
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kaiser-THINBIT | 5.67 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jalinda us | 9.60 | ✅ | ✅ | ✅ |
MULTIPLE USES: lathe Grooving Inserts can meet a variety of cutting requirements, such as cutting aluminum, copper and its cemented carbide, non-ferrous metals and some non-metals.
MULTIPLE USES: lathe Grooving Inserts can meet a variety of cutting requirements, such as cutting aluminum, copper and its cemented carbide, non-ferrous metals and some non-metals.
MATERIAL: CNC lathe Grooving Inserts are made of high-quality diamond materials, with high hardness, high impact resistance, high heat resistance, etc. The Grooving Inserts is not easy to break .
SERVICE LIFE: Due to the high wear resistance and durability of lathe Grooving Inserts, its service life is longer than that of grooved inserts made of general materials, and it is more cost-effective.
PRODUCT DESIGN: CNC lathe Grooving Inserts adopts a reasonable and professional design, and the size is also very standard, so the product is stable and reliable in the processing process and has good processing performance.
QUALITY ASSURANCE: lathe Grooving Inserts are manufactured through strict standard procedures, and the product quality is qualified. If you have any after-sales problems, please contact customer service and we will deal with it in time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GBJ-1 | 8.53 | ❌ | ❌ | ❌ |
☞Material : Inserts adopt high quality carbide substrate and Balzas coating. Holders adopt high quality imported 40Cr steel. Durable for long time using.
☞Feature of Cutting holder : Strong steel as material, laser lettering on holder. Anti-rust oil wiped on holders to prevent from oxidation. Plastic box packing ,easier to store.
☞Feature of Inserts: 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.
☞Application: CVD coating, suitable for steel and stainless steel parts processing.
☞Package includes: KTGFR 2525M16 + 10pcs × TGF32R 100 BP1025 Grooving cutter
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Use with Kyocera SIGE-style grooving holder
Insert Size: 500
Made of Carbide
Country of origin: United States
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GBJ-1 | 8.48 | ❌ | ❌ | ❌ |
Package includes : 10pcs SP300 Gold Grooving cut-off inserts
Inserts Material : Carbide inserts with CVD Coating. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
GTN-2 Insert Applicaiton: Suitable for Stainless steel parts processing.
SP300 Inserts Feature: Coating endows inserts strong impact resistance, good versatility with high precision, high finish .Vacuum hardening, exquisite craftsmanship, easy cutting.
Advantage : sp300 blades have feature of wear-resistant and heat-resistant, not easy to stick to the holders or workpieces .Vacuum hardening, exquisite craftsmanship, easy cutting.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Lahdyfhoe | 4 |
| Cdbp | 3 |
| Maifix | 3 |
| Zouzmin | 3 |
| Fomasp | 2 |
| Accusize Industrial Tools | 1 |
| Bestparts | 1 |
| Gbj | 1 |
| Generic | 1 |
| Groove 'N Turn | 1 |
We've carried out a comprehensive analysis of 471 reviews on internal grooving inserts, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select internal grooving inserts priced around $25.31, with top brands including lahdyfhoe and rhfgyy and gbj
Our team of expert editors reviewed these high-quality items and handpicked the top 25 internal grooving inserts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and gbj-1 and rhfgyy .
We are dedicated to assisting our users in finding the right inserts Products based on their needs, saving them considerable time when choosing which internal grooving inserts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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