Yes, we test them in house to make sure you get the best quality products.

Yes, are 3 Flute End Mills are ZRN Coated

Yes, are 4 Flute End Mills are TIALN coated.

Check your email for a tracking number. 

Yes, they are soild carbide.

Our End Mills are the same as the big brands. 

Well it depends what you are cutting. But whatever the speeds and feeds you were using before continue to use same speeds and feeds. 

Please Reach out by Email and we will answer that question Contact@carbidetooling.com