Okwu mmalite: The cross grooved countersunk isi ịghasa bụ a nkịtị n'ibu fastener, na-emekarị nke carbon ígwè ma ọ bụ igwe anaghị agba nchara.Isi nke ịghasa bụ countersunk, nke na-eme ka elu dị larịị ma ghara ịpụta, si otú a na-eme ka nchekwa na ihe ịchọ mma.A na-enye oghere obe n'ahụ ntu iji mee ka ojiji nke screwdriver ma ọ bụ screwdriver dị mfe.Dabere n'ihe achọrọ, ahụ ntu na-enwe mgbe ụfọdụ ụdị eri dị iche iche (dịka ezé na-adịghị ahụkebe ma ọ bụ ezé mara mma) iji mee mgbanwe n'oge mmegide dị iche iche.
Ngwa Ụdị screw a nwere ọtụtụ ngwa n'ọtụtụ ebe, gụnyere akụrụngwa ọkụ, igwe eletrọnịkị, ngwa igwe, ngwa ụlọ, ngwaahịa dijitalụ, ọrụ nchekwa mmiri na ihe owuwu ihe ịchọ mma.Nhazi isi nke countersunk ya na-enye ohere ka isi ihe nkedo ahụ banye kpamkpam n'ime ihe ahụ n'emeghị ka ọ ghara igbochi ya, na n'ihi ọdịdị nke mbughari ya, enwere ike iwepụ ya ma ọ bụ megharịa ya ma ọ bụrụ na ọ masịrị ya n'emebighị arụmọrụ ya.
Njirimara: 1, mara mma ọdịdị: The cross oghere countersunk isi ịghasa nwere ezigbo ọdịdị na ọ dịghị nkọ ihu, na-enye ndị mmadụ a mara mma na ala mmetụta. 2, Safe na a pụrụ ịdabere na: The cross oghere countersunk isi ịghasa adopts cross oghere imewe, nke nwere ike melite tightening torque na nwere ezi mgbochi ileghara arụmọrụ, nke nwere ike hụ na nchekwa na ntụkwasị obi.
N'itinye ihe PL: PLAIN YZ: ZINK ODO ZN: Zinc KP: BLACK PHOSPHATED BP: Grey phosphated BZ: BLACK ZINC BO: BLACK oxide DC: DACROTIZED RS: RUSPERT XY: XYLAN