1.Quality of carbide threading inserts is equivalent to vargus, but we have good price.
2.All of our tungsten carbide products are made from the high ¡§cpurity original /virgin material, pressed ( extrusion) and sintered but not recycle powder .
3.The samples can be sent to you if you need them to test.
4.Pls check in attachment that pictures of carbide threading inserts.
Plastic case
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