Ki kalite ak kalite knurling?
1. Selon klasifikasyon modèl la
Dwat, gòch ak dwat jouk knurling, konvèks net, konkav net, konkav net, kwa kwaze, konkav kwa kwaze
2. Selon klasifikasyon sifas la nan zouti
Sifas silendrik knurling, silendrik fen knurling, plat, silendrik twou enteryè, kòn knurling, konvèks arc knurling, concave arc knurling.
3. Klase selon pwosesis la fouye
Single-wou èkstruzyon chòk (modèl dwat, modèl net), doub-wou ekstrizyon knurling (modèl nèt), yon sèl-wou koupe zwazo (modèl dwat), doub-wou koupe knurling (modèl nèt), kranpon peze kalite Knurling (grenn dwat,) twa-wou zèb (grenn dwat, net)
