ʻO ke anawaena o nā mīkini wili DIN5-7 m0.5-m30 i hoʻopilikino ʻia e like me nā koi o ka mea kūʻai aku, Curvedkāʻei bevelme ka ʻole o ke kihi helix. No ka mea, he mau ʻano o nā kia bevel pololei a kūlou, ua like ka ikaika ma ka ʻili niho me konā kia bevel pololei.
ʻO nā pōmaikaʻi o nā hāmeʻa bevel zero:
1) ʻO ka ikaika e hana ana ma ke kia ua like ia me ko ka kia bevel pololei.
2) ʻOi aku ka ikaika a me ka walaʻau haʻahaʻa ma mua o nā kia bevel pololei (ma ke ʻano laulā).
3) Hiki ke hana ʻia ke wili ʻana i nā kia e loaʻa ai nā kia pololei kiʻekiʻe.