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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)

4.0 4.0 out of 5 stars 16 ratings
  • 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

Product details

  • Package Dimensions ‏ : ‎ 3.4 x 1.5 x 0.4 inches; 0.35 ounces
  • Item model number ‏ : ‎ 42732
  • Date First Available ‏ : ‎ September 2, 2013
  • Manufacturer ‏ : ‎ Cobra Carbide
  • ASIN ‏ : ‎ B00EUGFKA0
  • Customer Reviews:
    4.0 4.0 out of 5 stars 16 ratings

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.

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Customer reviews

4 out of 5 stars
4 out of 5
16 global ratings
Decent Carbide - But NOT as Described
2 Stars
Decent Carbide - But NOT as Described
These inserts are listed as uncoated and "bright" finish. The carbide inserts I received were uncoated, but were certainly not polished or sharp as they should have been for cutting aluminum or other non-ferrous metals. The description was not accurate in that sense, and while I still could have gotten away with making cuts with these, I ended up returning them and getting some properly polished and sharp 1003 inserts for aluminum work.I think these would work fine to make some chips with steel given the cutting edge profile. It definitely feels like other steel inserts I have felt before (not sharp like inserts meant for aluminum).
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Top reviews from the United States

Ted
5.0 out of 5 stars Five Stars
Reviewed in the United States on May 3, 2017
Verified Purchase
Love it
Thanks
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Bob
2.0 out of 5 stars Decent Carbide - But NOT as Described
Reviewed in the United States on September 17, 2016
Verified Purchase
These inserts are listed as uncoated and "bright" finish. The carbide inserts I received were uncoated, but were certainly not polished or sharp as they should have been for cutting aluminum or other non-ferrous metals. The description was not accurate in that sense, and while I still could have gotten away with making cuts with these, I ended up returning them and getting some properly polished and sharp 1003 inserts for aluminum work.

I think these would work fine to make some chips with steel given the cutting edge profile. It definitely feels like other steel inserts I have felt before (not sharp like inserts meant for aluminum).
Customer image
Bob
2.0 out of 5 stars Decent Carbide - But NOT as Described
Reviewed in the United States on September 17, 2016
These inserts are listed as uncoated and "bright" finish. The carbide inserts I received were uncoated, but were certainly not polished or sharp as they should have been for cutting aluminum or other non-ferrous metals. The description was not accurate in that sense, and while I still could have gotten away with making cuts with these, I ended up returning them and getting some properly polished and sharp 1003 inserts for aluminum work.

I think these would work fine to make some chips with steel given the cutting edge profile. It definitely feels like other steel inserts I have felt before (not sharp like inserts meant for aluminum).
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2 people found this helpful
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Ham Radio Guy
1.0 out of 5 stars Is it not as pictured and does not meet published spec
Reviewed in the United States on December 3, 2019
Verified Purchase
These don't quite meet the spec for what was advertised. I also find it quite deceptive that they have a picture of a large TIN OR or other gold colored insert that is more than likely a picture of an APK t style versus they're smaller product. They were honest about the description somewhat, but if you looked at the picture you're definitely not getting what they advertised.
One person found this helpful
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John N.
5.0 out of 5 stars Five Stars
Reviewed in the United States on December 26, 2016
Verified Purchase
:)
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Amazon Buyer
5.0 out of 5 stars As Described.......
Reviewed in the United States on November 29, 2015
Verified Purchase
As Described.......
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Ben
2.0 out of 5 stars Not ideal. Not very sharp at all. You ...
Reviewed in the United States on September 13, 2016
Verified Purchase
Not ideal. Not very sharp at all. You get what you pay for. They cut. But not my first choice
One person found this helpful
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Amazon Customer
2.0 out of 5 stars Not as advertised. There is nothing here that measures ...
Reviewed in the United States on October 31, 2016
Not as advertised. There is nothing here that measures .445 thick. Other specs are probably wrong too.
One person found this helpful
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