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The 8 Best threading inserts of 2024

Are you trying to find threading 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 threading 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 10 hours of research and did 20 threading 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 threading inserts you can buy today

No. 1
HHIP 6062-5003 T/NT-3R C5 Coated Right Hand Threading Carbide Insert, 0.098' Depth of Cut
5 Consomer Reviews
HHIP 6062-5003 T/NT-3R C5 Coated Right Hand Threading Carbide Insert, 0.098" Depth of Cut
  • 60 degree negative rake, neutral insert
  • Grade C5 /TIC-65 coated insert which is the same as the Kennametal KC810, KC850, KC950, KC730 grades
  • Completely interchangeable with the Kennametal Top Notch and the Teledyne Firth Notch systems
  • Trademark of Kennametal
No. 2
zouzmin Lathe Threading Inserts 11ER AG60 + 11IR AG60 Carbide Inserts for External Thread/Internal Thread Turning Tool Holders for for Stainless Steel and Iron,20pcs…
  • Model: 11ER AG60(External) + 11IR AG60 (Internal)
  • Material:made of solid carbide with mutilayer coated, offer long life and faster cutting speed, low friction coefficient, good wear resistance
  • Size:TPI: 0.5-1.5mm ,Teeth count: 48-16 ,Thickness: 3.2mm,Inscribed Circle diameter: 6.35mm/1/4”
  • Suitable for finishing and semi-finishing of various steel, stainless iron and cast iron,Wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up
  • Package includes: 10pcs 11ER AG60 + 10pcs 11IR AG60
No. 3
10PCS 16ER AG60 / 16IR AG60 CNC Lathe Indexable Threading Carbide Insert Blade (16ER AG60)
  • Model : 16ER AG60 threading insert (right cutting ), Material: carbide
  • Pitch : AG60 60° universal pitch thread insert, machining pitch range: 0.5~3.0mm.
  • For processing : steel parts
  • Coating : Nanostructured TIAIN coating combined with fine-grained wear-resistant cemented carbide substrate
  • Advantages : Excellent anti-built-up features and chipping resistance, suitable for semi-finishing and finishing of steel parts. If you need a indexable turning tool that matches the insert, search for ASIN:B07FF8VFRW ,B07FDWYHGC
No. 4
DelitonGude 10Pcs 16ER AG60 CNC Lathe Indexable Threading Carbide Insert Blade for Metal(16ER AG60 LDA)
  • Imported Source Powder Metallurgy Of Tungsten Steel
  • PVD Coating, Which Can Improve Hardness And Have A High Oxidation Temperature To Obtain Good Machining Results.
  • Processing Of General Material Biased Steel And Other Metal
  • Superior Performance Sharp Edge Smooth Cutting Strong And Wear-Resistant
  • Complete Specifications, One-stop Purchasing
No. 5
ASZLBYM 5/8" 3/4" Lathe Tool Threading Insert Turning Tool Holder SER1616H16 SER2020K16 SER2525M16 with Indexable Threading Turning Insert 16ER AG60 Cutting Insert Blade (5/8" (16 * 16mm))
  • ♥ Package includes :1pcs SER1616H16 + 10PCS 16ER AG60 + 1PCS T15 wrench
  • ♥Turning holder : The material of the turning tool holder is 40Cr steel.
  • ♥Turning holder specification : shank(16*16mm,16mm ≈ 0.629inch), Overall length : 100mm ≈3.937nch, Cutting direction: right hand
  • ♥turning insert : 16ER AG60 threading turning insert material is carbide, AG60 60° universal pitch thread insert, machining pitch range: 0.5~3.0mm, for processing : steel parts
  • ♥Turning insert coating : Nanostructured TIAIN coating combined with fine-grained wear-resistant cemented carbide substrate
No. 6
1/2" 5/8" Boring Bar SNR0013M16+SER1616H16 Lathe Internal Threading Inserts Turning Tool Holder with 5pcs 16ER AG60+5pcs 16IR AG60 Carbide Turning Inserts
  • 1. Material: Steel(Turning Holder)+Carbide(Carbide inserts); Color: Black(Boring Bar)+Golden (Threading Insert)
  • 2. Direction: Right Shank Dia: 13mm=0.51"=1/2"; 16mm=0.63"=5/8"; Over Length: M:150mm/5.90"(Boring Bar); H:100mm/3.94"(Threading Holder)
  • 3. Package: 1pc SNR0013M16+1pc SER1616H16 +5pcs 16ER AG60+5pcs 16IR AG60+2pcs wrenchs
  • 4. Black oxided smooth finish on each turning tool holder style and shank size. Blades exquisite workmanship, high strength, high toughness, stable and durable.
  • 5. If you need more 16ER AG60 ,please search 【ASIN:B07RB5BKG7】,16IR AG60【ASIN:B07S1WSNJ6】
No. 7
Zouzmin Lather Threading Tool Bit Set External Internal Threading Boring Bars Turning Tool Holders with 11IR AG60 16ER 16IR AG60 Carbide Threading Inserts (2pcs Boring Bars + 16ER IR AG60)
  • Threading boring bars tool holders--40CrMo , Widely Use, Tightly impacted bolt, simple structure, often used for small hole machining,Anti-rust oil wiped on holders to prevent from oxidation;
  • External/Internal Threading inserts--carbide material with CVD coating ,used for stainless steel and steel part;
  • 11IR AG60 -- processing pitch range: 0.5mm - 1.5mm, partital profile:60°,Thckness:0.126in, Blade length: 0.43in,inscribed circle:1/4in, Adpt to M2.5*7 Screws;
  • 16ER/IR AG60 -- processing pitch range: 1.5mm - 3.0mm, partital profile:60°, Thckness:0.13in, Blade length: 0.59in,inscribed circle:1/4in,Adpt to M3.5*10 Screws;
  • Package includes: as the first image shown, factory outlet store, if you need other CNC cutting tools , you can contact to us ,Main products: Turning/Milliing/Threading/Drilling/Grooving Cutting tools and Taps , Dies , end mills etc...
No. 8
GBJ Lathe Threading Tool External + Internal Threading Holder SER 1010H11+ SNR 0010K11 Threading Holder with 11ER AG60 11IR AG60 Threading Inserts (SER1010H11+SNR0010K11+11ER A60+11IR A60 (Gold))
  • 🎄【1】Inserts Material : Carbide inserts with CVD Coating. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
  • 🎄【2】Advantage: It is convenient for the user to clamp and replace, and only a wrench is needed to replace the insert .The parts have good rigidity, long service life and lower the cost of tools.
  • 🎄【3】Features : 3/8 thread cutting insert lathe threading tool ,strong grip , impact resistance, fast cutting and processing
  • 🎄【4】Application: mini lathe tools Internal threading tool lathe internal grooving bar,Suitable for varieties of processing condition, even in very dirty environment such as cast iron, they also have very good performance.
  • 🎄【5】Package includes: 1× SER 10101H11 External Threading holder + 1× SNR 0010K11 Internal Threading holder + 5pcs 11ER A60 gold + 5pcs 11IR A60 gold with 2pcs T8 wrenches.
No. 9
Lathe Turning-Tool Threading Holder - 1/2" External SER1010H11+3/8" Internal SNR0010K11 with Indexable Carbide Inserts 5pcs 11ER A60 Golden+5pcs 11IR A60 Golden for Lathe Tools Metal Cutting
  • 【1】Package : 2pcs indexable boring bars 1/2" shank diameter 3.94" overall length external thread SER1010H11 and 3/8" shank diameter 4.92" overall length internal thread SNR0010K11, 10pcs turning carbide inserts among 5pcs 11ER A60 match with SER1010H11 and another 5pcs 11IR A60 match with SNR0010K11, 2pcs T8 wrenches
  • 【2】Material Specification : The lathe threading tool is made of 42CrMo steel which with high hardness and is very wearable, also have strong toughness and low-temperature impact resistance
  • 【3】Process Performance : (a) Free forging, ultra heat treatment with 1060 degrees celsius, with excellent mechanical performance on strength, hardness, fatigue strength, etc. (b) Colorfast with laser surface treatment. (c) Fine and shiny for cutter body, good chip removal, high effectiveness with no cutting break benefit by its diamond composite polishing, mirror grinding on blade. (d) Precise assembly with clamping screw brings agile cutting
  • 【4】Application and Storing : CNC cutting tool for metal and non-metallic materials difficult to machine processing. Cost-Effective due to wide application for many kinds of equipment, process .That's easy to store with single package for boring bar and threading inserts
  • 【5】After-sales Service : Any questions, please contact us anytime, we'll quickly response to service for you. We offer FREE EXCHANGE for dissatisfaction
No. 10
1/2" 2PCS SEL1212H16 + SER1212H16 Tool Holder CNC Thread Turning Holder + 2pcs 16ER/IR AG60 Carbide Threading Inserts with Wrench for Lathe Thread Tool
  • Material : Steel (turning holder) + Carbide (turning insert)
  • Package : 1PC SER1616H16 + 1PC SEL1616H16 + 2PCS 16ER/L AG60 + 2PCS WRENCH T15
  • Black oxided smooth finish on each turning tool holder style and shank size.
  • Each tool holder comes with a carbide insert with positive rake cutting angle and built-in chip breaker great for general purpose cutting action.
  • If you need more insert 16ER AG60 and 16IR AG60, please search 【ASIN: B07RB5BKG7 B07S1WSNJ6】
No. 11
CDBP 16ER AG60/16IR AG60 CNC Lathe Indexable Threading Carbide Insert Blade 16ER Threading Cutter Steel Metal Lathe Cutting
  • Size: Pitch: 0.5-3mm, TPI: 48-8, Dimension(Φd):9.525mm, Length(L): 16mm, Radius(X): 1.2mm, (F): 1.5mm
  • Can be used for machining carbon steel, tool steel, Aluminum alloy, Copper alloy and stainless steel.
  • General material for threading processing, a nanocomposite coating of a AITiSi base, high temperature stability.
  • 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 threading, grooving, turning, end face and profiling machining. Has more than 15 years of experience in producing carbide inserts.
No. 12
16VERAG60 10PCS SER2020K16V Lathe Tool Indexable Threading Tool Vertical Lathe External Thread Cutting Tool Threading Insert Turning Tool
  • Product Name: Vertical External Thread Blade
  • Model: 16ER AG60external thread blade (right), material: cemented carbide, surface physical coating thread angle is 60°, pitch range is 0.5mm-3.0mm
  • For processing: steel parts stainless steel materials
  • Advantages: sharp edge, sharp thread edge and wear resistance, not easy to accumulate iron filings, smooth and clean thread processing, vertical installation is not easy to interfere with lathe thimble, economical and practical
  • Packing specification: 1 box of 10 PCS
No. 13
10PCS 16IR AG60 Inserts Lathe Indexable Threading Carbide Internal Thread Insert Blade for Threading Turning Holder
  • 【Super Applicability】16IR/ER AG60-Side length:16mm, thread:60°, general pitch:0.5-3.0mm.
  • 【Durable Material】The threading carbide thread insert blade is carbide inserts, has good chip rolling effect and long use time.
  • 【Strong Practicality】The threading inserts used to machine internal/external threads in the workpiece, the cut is neat and beautiful, and the cutting surface is fine and even.
  • 【Wide application】: Carbide thread inserts are suitable for processing carbon steel, alloy steel and tempered steel, stainless steel, cast steel, cast iron, aluminum alloy and copper alloy.
  • 【Advanced Coating】: Nano-structured TIAIN coating combined with fine abrasive carbide substrate to prolong blade life.
No. 14
Zouzmin 1/2" 5/8" Boring Bar SNR0013M16+SER1616H16 Lathe Internal Threading Inserts Turning Tool Holder with 5pcs 16ER AG60+5pcs 16IR AG60 Carbide Turning Inserts External/Internal Threading Inserts
  • Package:1pc 1/2" SNR0013M16 (with wrench)+1pc 5/8" SER1616H16 (with wrench)+ 5 pcs 16ER AG60 + 5 pcs 16IR AG60 + 20pcs screws
  • About the holders:solid hard with good cushioning effect,material of 42CrMo, right hand
  • About 16ER(external) /16IR(internal) threading insert: CVD coated ,carbide conbination with Ti compound coating layer which thin thiness,special tough fibrous structure improves wear and fracture resistance
  • Suitable for semi-finishing and rough machining
  • Design for stainless steel , steel,copper and aluminum
SaleNo. 15
GBJ 1/2" SNL 0013M16 Left Hand Internal Threading Boring Bar with 10pcs 16ER AG60 3/8" Carbide Inserts External Carbide Threading Inserts
  • 🎄 Inserts Size: 16ER- 3/8" right hand . Partial profile: 60 degree, Pitch : 0.5--3.0mm, insert length:16mm. Suitable for machining Stainless steel and Steel parts
  • 🎄 Inserts Feature: carbide with PVD coating , Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
  • 🎄 Boring Bar Size: Internal left hand holder, 5.9"/150mm long , 0.51"/ 13mm high, Screw size : M3.5 x 10, T15 wrench
  • 🎄 Boring Bar Feature : Strong steel as material, laser lettering on holder. Anti-rust oil wiped on holders to prevent from oxidation. Plastic box packing ,easier to store.
  • 🎄 Package Includes: 1× SNL0013M16 Boring bar + 10pcs 16ER AG60 Carbide inserts + Wrench T15
No. 17
MABUARN Carbide Threading Insert IR/ER Lathe Internal/External Thread Holder Indexable Inserts IR/ER AG60 for Steel Metal Machining, 10 Pieces/Pack (11ER AG60, for Steel Machining)
  • Material: Solid Carbide. Coating: TiN coated for longer service life, wear resistance, more durable and sharp.
  • Model of insert: 11IR AG60, 11ER AG60, 16IR AG60, 16ER AG60
  • Suitable for: machining steel, cast iron, stainless steel, aluminum, and other non-ferrous materials.
  • Applicable for: threading tool model SNR/L SER/L, etc. Internal and external threading
  • Package: 10 pieces of inserts packed in a plastic box.
No. 18
GBJ 95 Degree S16Q-SCLCR09 5/8" Internal Turning Boring Bar with 10pcs CCMT32.51 Turning Inserts 16ER AG60 External Carbide Threading Insert with 5/8" SNL0016Q16 SER1616H16 Threading Holder
  • 🎄 Inserts Material : Carbide inserts with CVD Coating. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
  • 🎄 Insert Applicaiton: Suitable for Stainless steel parts processing. Turning inserts for finishing and semi-finishing.
  • 🎄 Inserts Feature: Wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up.Vacuum hardening, exquisite craftsmanship, easy cutting.
  • 🎄 About 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.
  • 🎄 Package includes: 1× S16Q-SCLCR09 +1× SNL0016Q16 + 1× SER1616H16 + 10pcs CCMT32.51 Gold +10PCS 16ER AG60 Gold(3pcs of 16mm Holders with 20pcs of carbide inserts)
No. 19
TPMC-32-NV High Speed Steel Threading Indexable Insert for Metal Lathe Threading, Sold Individually from (3469)
  • Compatibility: Compatibility: This product works with our A R Warner cutting tools. If you need an indexable insert for another tool, check the technical specs; otherwise, it likely won't work. Contact us before purchasing, as we may have alternate options.
  • Specifications: TPMC-32-NV Indexable Threading Insert, T-15 High Speed Steel, Triangle 60 Degree Thread Angle, 11 Degree Relief Angle, 0.150" hole with 82 Degree Double Countersink, 10 Degree Back Rake Angle, 0.375" (3/8") IC, 0.125" (1/8") Thickness
  • The TPMC-32-NV threading insert will allow you to machine close tolerances and reduce cycle time on a variety of materials, including hardened steels and plastics. With optimal performance and durability, you can use this tool for tough jobs.
  • Standard: ANSI TPMC-32-NV
  • About Us - is a small U.S. business specializing in sourcing and selling quality machines, tooling, spare parts, and accessories for home shop machinists and small machine shops. Additionally, we sell upgrades and accessories for many of the leading brands. Whenever possible, we work with, and promote, other small US machinists and machine shops who sell innovative products. With direct US based customer support from our knowledgeable team, we stand behind all our products.
  • Contact Us: As home shop machinist and consumers, we understand how information aids in your buying decision. We also know how frustrating it is if you cannot contact a company. If you have any questions, please feel to reach out to us and we would be happy to help. Should you have any doubts before buying a product, contact us to discuss compatibility or features. In the event you need to return something, we also ask for the courtesy of a contact to see if we can eliminate any possible issues.
No. 20
Metal Lathe Cutting Tools - 1/2" and 5/8" Turning Holder Boring Bars with 10pcs Indexable Carbide Inserts 16IR 16ER for Lathe Tools
  • Package Includes - 1pc 1/2''shank threading bar(SNR0013M16) + 1pc 5/8'' shank threading bar(SER1616H16) + 5pcs internal threading inserts(16IR AG60) + 5pcs external threading inserts(16ER AG60) + 2pc wrenches
  • Features - New process upgrade nitriding treatment to improve tool hardness and lubricity. High grip, impact resistance strong, speed cutting off and processing
  • Specification - SNR0013M16 shank diameter is 1/2''and overall length 6'', SER1616H16 shank diameter is 5/8'' and overall length 4'', right hand cutting direction
  • Application - Screw-up structure makes assembly smooth and easy, widely used for a processing environments, like stainless steel,cast iron and steel
  • After-Sales Service - 30 days no reason to return or exchange

How to choose a good threading inserts

Does the idea of finding a fantastic threading 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 threading 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 threading 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 threading 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 threading 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 threading 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 threading 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 threading 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 threading inserts.

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