12 best milling inserts

Milling inserts, the unsung heroes of metalworking! These little guys are the cutting tools that make milling operations possible. They're often indexable, meaning you can rotate or flip them to use different cutting edges, extending their lifespan. The beauty of these inserts lies in their efficiency and cost-effectiveness. They're like the James Bonds of machining, smooth operators in the world of metal.

Now, when it comes to types, you've got your carbide inserts for durability and wear resistance, ceramic inserts for high-speed applications, and even coated inserts for enhanced performance. They're like the Avengers, each with their own superpowers tailored for specific tasks.

Choosing the right insert geometry is crucial. You've got square, round, triangular—each designed for different cutting forces and materials.It's like assembling a team where everyone plays a unique role.

So, milling inserts are basically the rockstars behind precision cutting in the metalworking world. They might not have their own TV show, but they sure know how to steal the spotlight in the machining universe!

Below you can find our editor's choice of the best milling inserts on the market
  

Accusize Industrial Tools Tpg322 Tin Coated Carbide Inserts, 10 Pcs/Box, 2127-1028x10

Accusize Co., Ltd.

Based on 27 reviews Check latest price
  • TPG322
  • TiN Coated
  • C5 Grade Coated
  • With sharp triangle point tips, for both lathes and mills.

User questions & answers

Question: I need a carbide chart of the different types of applications
Answer: Of course it depends on what you are trying to accomplish. For a fine finish on the final pass I use 8% or 10%.

Product features

Accusize TPG Inserts, TiN Coateed, Carbide

The triangle TiN coated carbide TPG inserts help you save time and money. When a cutting edge becomes dull, you just need to rotate the insert in the holder to use the sharp edge. When you buy the replacement inserts, be noted that the larger nose angles and larger tip radii enable a stronger cutting edge, but they result in increased vibration and a rougher finish.

Tin coated inserts work longer and are able to run at faster speeds than uncoated inserts.

The positive-rake feature enables the inserts to have an edge that is less than 90° to sit flat in the insert holder for improved cutting clearance and a better finish than negative-rake ones. The inserts have cutting edges on 1 side.

  • Carbide
  • C6 Grade Coated
  • TiN Coated
  • 10 pc/box

Diagram and Specification of Accusize TiN Coated TPG Inserts

Cobra Carbide 42732 Solid Carbide Indexable Milling Insert, C520 Grade, Uncoated (Bright) Finish, APKT Style, APKT 1003 PDR-HM, 0.445" Thick, 0.020" Radius (Pack of 10)

Cobra Carbide

Based on 13 reviews Check latest price

Product description

Cobra Carbide turning inserts use for slotting and slab or straddle milling. 87 Degrees parallelogram- fully ground. General purpose grade designed for cast iron and non-ferrous materials. Can also be used for machining 200 and 300 series stainless steel. Provides excellent wear resistance. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications.

  • Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • General purpose grade designed for cast iron and non-ferrous materials
  • Use for slotting and slab or straddle milling
  • 87 degrees parallelogram- fully ground

Cobra Carbide 42738 Solid Carbide Indexable Milling Insert, CM02 Grade, Multilayer Coated, APKT Style, APKT 1003 PDR-HM, 0.445" Thick, 0.020" Radius (Pack of 10)

Cobra Carbide

Based on 2 reviews Check latest price

Product description

Cobra Carbide turning inserts use for slotting and slab or straddle milling. 87 Degrees parallelogram- fully ground. Multi layer coating TiC/Al2O3/TiN. Good toughness, high strength in use and versatility for roughing, medium roughing of steel, alloy steel and cast-iron, especially for high speed and quick cutting. Aluminum oxide coating for machining 200 and 300 series stainless steel. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems.

  • Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
  • Multi Layer coating TiC/Al2O3/TiN
  • Good toughness, high strength in use and versatility for roughing, medium roughing of steel, alloy steel and cast-iron, especially for high speed and quick cutting
  • Use for slotting and slab or straddle milling
  • 87 degrees parallelogram- fully ground

APMT1604 H2 CNC Milling Machine Indexable Carbide Milling Inserts 10pcs R0.8 Tungsten Steel Surface with Coating Used As an Insert for Replaceable Milling Tool Holders Or Face (APMT1604 H2)

LingGan

Based on 1 reviews Check latest price

Product description

Use High-Quality Hard Alloy Casting, Sharp And Wear-Resistant. Reasonable Mechanical Design And Shape, Not Easy To Collapse, Delaying Practical Life. High Cost Performance And Excellent Quality. High-Toughness And High-Hardness Fine-Grain Cemented Carbide Matrix Combined With Good Stability And Wear-Resistant Coating Is Suitable For Milling Of Mild Steel And Stainless Steel.

  • Nano-Coating Material Special Process Coating Makes The Surface Of The Blade Smooth, Reduces Friction Force, And Removes Chips More Smoothly.
  • Reduce Friction, Not Stick To The Tool, Reduce Wear, Extend Service Life, Sharp Cutting Edge, Cut Quickly, Improve Efficiency.
  • Deformation Resistance, High Hardness, High Wear Resistance, Strong Versatility, Wide Application Range, Good Chip Breaking, Excellent Chip Removal, And Cost Reduction.
  • High Hardness And Wear Resistance. It Is Developed By Powder Metallurgy With Carbon Compounds With High Hardness And Melting Point And Metal Binder. The Hardness Is Much Higher Than That Of High-Speed Steel.
  • It Adopts Ultra-Fine Cemented Carbide Substrate, Fully Ground, High Precision, Mainly Used For Finishing And Semi-Finishing Rough Machining Of Steel And Stainless Steel.

Accusize Industrial Tools 3 Pc 90 Degree Indexable End Mill Set with Apkt11t3 Inserts, Cutter Diameter Includes 3/8'', 1/2'' and 5/8'', 0028-8308

Accusize Co., Ltd.

Based on 14 reviews Check latest price
  • 3/8", 1/2", & 5/8", 90Degree Cutting angle. Nickel Plated. Screw down insert
  • Radial rake angle: -10Degree. Axial rake angle: +7Degree.
  • All types of square shoulder face milling, side milling and full slot milling (shaft end mills) of steels, alloyed steels, stainless and heat resistant steels, cast irons and aluminum alloys.
  • Fitted with 10Degree positive rectangular insert allow high depth of cut and feed per tooth
  • with 8 ps additional screws + 1 Torx Wrench. Uses APKT / APHW / APKR_APht / APMT insert (sold separately)

User questions & answers

Question: Are these compatible with any apkt insert, or do they only work with apkt11t
Answer: Not the 5/16" ; for this model, these follows sizes available 3/8" 0056-0912; 1/2" 0056-0913 and 0056-0914; 5/8" 0056-0916; 3/4" 0056-0917; 1" 0056-0920 and 0056-0921; 1-1/4" 0056-0922, 0056-0923; for the 5/16" we have the cobalt roughing end mills such as 1104-0516 or 1102-0516. you can find them all on amazon.com; Thank you.
Question: Do you have a
Answer: On mild steel, recommend 260(180-380) m/min or 0.2(0.1-0.3) mm/z, ae ≤0.5D. On high carbon steel or alloy steel, recommend 240(160-320)m/min or 0.2(0.1-0.3)mm/z, ae ≤0.5D. On Alloy tool steels, recommend 220(150-280)m/min or 0.2(0.1-0.3)mm/z, ae ≤0.5D
Question: what RPM is everyone running these at or what is recommended
Answer: My set (3-piece) all had 1/2” shanks.
Question: what size collet do thet used
Answer: This types of charts may be found in tools (carbide) catalogues

Product features

Shank #1

  • Cutting Diameter D: 3/8"
  • Shank d1: 1/2"
  • Overall Length L: 3-1/2"
  • ap: 0.433"
  • No of Inserts: 1
  • Screw: M2.5 x 6
  • Insert: APKT11T3

Shank #2

  • Cutting Diameter D: 1/2"
  • Shank d1: 1/2"
  • Overall Length L: 3-1/2"
  • ap: 0.433"
  • No of Inserts: 1
  • Screw: M2.5 x 6
  • Insert: APKT11T3

Shank #3

  • Cutting Diameter D: 5/8"
  • Shank d1: 1/2"
  • Overall Length L: 3-1/2"
  • ap: 0.433"
  • No of Inserts: 2
  • Screw: M2.5 x 6
  • Insert: APKT11T3

Comparison of recommended RPM on different steel

  • Hardness(HB): ≤180,
  • Cutting parameter-V: 260(180-380)m/min,
  • Cutting parameter-f: 0.2(0.1-0.3)mm/Z
  • ae: ≤0.5D

High-carbon Steel and Alloy Steel

  • Hardness(HB): 180-280,
  • Cutting parameter-V: 240(160-320)m/min,
  • Cutting parameter-f: 0.2(0.1-0.3) mm/Z
  • ae: ≤0.5D

M2.5 x 6.5 Screws

  • For Accusize Indexable Face Mill & End Mills
  • SKU: 0046-0910x10
  • 10 pc/box

APKT11T308 Inserts

  • SKU: 0056-1130
  • Insert: APKT11T308
  • 10 Pcs/Box
  • Carbide
  • TiN Coated
  • Cutting Radius: 1/32''
  • Cutting Steel

APKT 11T308 LH Inserts

  • SKU: 0058-1130x10
  • Insert: APKT 11T308 LH
  • 10 Pcs/Box
  • Carbide
  • K10
  • Aluminum Cutting

APMT1135PDER-M2 Insert

  • SKU: 1056-1135
  • Insert: APMT1135PDER-M2
  • 10 Pcs/Box
  • Carbide
  • Cutting Stainless Steel

HHIP 6010-4203 APKT-1003 TiN Coated Shoulder Milling Insert (10 mm)

HHIP

Based on 1 reviews Check latest price

Product description

APKT-1003 C-6 TiN Coated Shoulder Milling Insert ~ I.C. is .265". ~ Thickness is .137". ~ Radius is 1/64".

ASZLBYM 10PCS APMT1135PDER-H2 Carbide Milling Insert Used for Indexable Face Mill and End Mill, for Roughing Steel, Cast Iron, Stainless Steel and Aluminum (APMT1135PDER H2)

ZIMING-1

Based on 1 reviews Check latest price
  • Processing conditions : roughing. Material: carbide.
  • Machinable hardness: HRC15 °- HRC50 °.
  • Machinable materials : steel, cast iron, stainless steel, aluminum.
  • Advantages : The cutting edge is thick, the chip breaking is smooth, through material upgrading and factory testing, the quality of products is much higher than that of Korean and Japanese brands, customers can buy at ease!
  • Packaging : High-quality double-layer foam protection, packed in plastic box, safe and easy to store.

Product features

Feature :

  • Brand:ASZLBYM
  • Modle:APMT1135 PDER-H2
  • Material: carbide .
  • TiN Coated .
  • Dual-edge.
  • The cutting edge is thick, the chip breaking is smooth.

Processing situation :

  • Nose radius : 1/32" .
  • Machinable hardness: HRC15 °- HRC50 °.
  • Processing conditions :Good for roughing.
  • Machinable materials : steel, cast iron, stainless steel, aluminum.
  • Used for indexable face mill and end mill.

Packaging :

  • Packaging : High-quality double-layer foam protection, 10pcs inserts packed in plastic box, safe and easy to store.
  • Label : Each product has our brand label, and the milling parameters of the product are marked on the label for the customer's reference !

Size :

10pcs Milling Inserts APMT1135 PDER-DP BP010 Carbide Inserts Cutting Tools For BAP400R Holders Processing Steel parts

Based on 1 reviews Check latest price

Product description

Why choose us?



1.We are a factory that can produce CNC tools,Our company strength, development, research, production and technical personnel and equipment are very advanced and complete,



2.And we are also the well -know brands of CNC Tools agent,we have all brands of Inserts,Holders , Drills ,Taps, End mills etc , if you can’t find the products you want , you can send a message to us ,we will find it for you ,and will give you the lowest price !



3.These products surpass Japanese and Korean brands, its quality rises alongside many world famous brands,Because of its good quality , it have a very high rate of repeat purchase in our country;



4.If you are not satisfied with the quality of these inserts ,you can return it back within 30days ,we will give you a full refund ;



5.You can buy 2pcs to try it out , If satisfactory , you can buy it again ,if not ,please let me know it ,we will give you a full refund, and you can keep the item.

  • Model : APMT1135/1604PDER-DP BP010 Milling Inserts
  • Fit for processing :Steel parts/Stainless steel /Iron
  • Processing Conditions: Interrupted cut and Continuous processing Material: Carbide
  • Material: Carbide, Coating:CVD
  • Package: 2piece/10pcs(Boxed)/20pcs(Boxed)

Cobra Carbide 42750 Solid Carbide Indexable Milling Insert, C550 Grade, Uncoated (Bright) Finish, APKT Style, APKT 1604 PDR-HM, 0.375" Thick, 0.031" Radius (Pack of 10)

Cobra Carbide

Product description

Cobra Carbide turning inserts use for slotting and slab or straddle milling. 87 Degrees parallelogram- fully ground. Designed for heavy roughing to semi-finishing of all steels. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications.

  • Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Designed for heavy roughing to semi-finishing of all steels
  • Use for slotting and slab or straddle milling
  • 87 degrees parallelogram- fully ground

KKmoon SRAPR1616H10 Face Milling Lathe Tool Holder + 10Pcs RPMT10T3MO Carbide Inserts

Based on 29 reviews Check latest price
  • High grip strength, impact resistance and strong, clear speed advantage in cutting off a large margin and processing.
  • To maintain tight tolerances unmatched performance.
  • Practical and a variety of processing environments, even in very dirty environments, such as cast iron also has good features.
  • User clamping and convenient way to replace, only a wrench to complete the replacement of the cutter blade and pad.
  • Accessories steel is good, long life, reducing the user cost of the tool.

User questions & answers

Question: Can this be used on aluminum
Answer: No, too big.
Question: Will it fit in a mini lathe
Answer: They take any other APKT11T3 inserts, such as 0056-1130 APKT 11T308 PM Carbide Insert, BPG20B PVD Coating for cutting steel; and 0058-1130 APKT 11T308LH Carbide Insert, YD101 Coating for cutting Aluminum; or 1056-1135 APKT1135PDER-M2/H2, Cutting Stainless Steel; you can find them all on Amazon.com. Thank you.

Product features

Features:

High grip strength, impact resistance and strong, clear speed advantage in cutting off a large margin and processing.

To maintain tight tolerances unmatched performance.

Features:

Practical and a variety of processing environments, even in very dirty environments, such as cast iron also has good features.

User clamping and convenient way to replace, only a wrench to complete the replacement of the cutter blade and pad.

Features:

Accessories steel is good, long life, reducing the user cost of the tool. Suitable for simple steel processing.

Carbide Milling Inserts TPG322, TPCN32PDTR Mutilayer Coated Carbide Turning Inserts for indexable End Mill,10pieces/Pack

OSCARBIDE TOOL

Based on 14 reviews Check latest price
  • Indexable Carbide Milling Insert 1/8" Thick, 1/32" Radius,11 degree relief angle.
  • Material: made of solid carbide with mutilayer coated, offer long life and faster cutting speed, low friction coefficient, good wear resistance
  • For turning and milling carbon and alloy steels, tools steel and stainless steel
  • Screw on triangle style insert with a chipbreaker
  • 10 pieces per box, provides longer tool life than uncoated grades

Product features

Size

1/8" Thick

1/32" Radius

11 degree relief angle

Feature:

Designed for cast iron and non-ferrous materials

For turning and milling carbon and alloy steels, tools steel and stainless steel

Cobra Carbide 42458 Solid Carbide Indexable Milling Insert, C520 Grade, Uncoated (Bright) Finish, SEC Style, SEC-422, 1/8" Thick, 1/32" Radius (Pack of 10)

Cobra Carbide

Based on 2 reviews Check latest price

Product description

Cobra Carbide indexable milling insert. Single sided for wide range of milling applications. 20 degrees relief angle. Clamp style insert. General purpose grade designed for cast iron and non-ferrous materials. Can also be used for machining 200 and 300 series stainless steel. Provides excellent wear resistance. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications.

  • Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • General purpose grade designed for cast iron and non-ferrous materials
  • Single sided for wide range of milling applications
  • Provides excellent wear resistance

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