... tungsten carbide insert,tips, drill bits, saw tips, triangle tips, square milling inserts, YG8.2 square tips ,SS10 stone breaking tips, wooden working blade ... carbide square tips SPECIFICATION: 1.Material:Tungsten Carbide 2.Grade:YT5 (P30)3.Type:1/2" saure ,or SPKN1603 4.Use: ... suitable for steel,caste iron,stainless steel etc. 1/2" golden carbide square tips