Dear sir,we need followings carbide tip for metal cutting hardness 50-60 hrc (same Bricks type)on urgently basis so pls send your best offer with short delivery time.30*8*10mm30*6*10mm30*10*10mm30*12*10mm30*14*10mm30*16*10mm30*20*10mm30*25*10mm30*30*10mm