DIN High-ike zuru eri

Mkpanaka eri eri, nke a makwaara dị ka stud, bụ mkpanaka ogologo nke a na-etinye na nsọtụ abụọ; eri ahụ nwere ike ịgbatị ogologo ogologo mkpanaka ahụ. Emebere ha ka ejiri mee ihe na esemokwu. A na-akpọkarị mkpanaka eriri n'ụdị ngwaahịa ihe niile-eriri.
N'ihe gbasara udi, stud bolts aka studs na-ekewa n'ime isi atọ ụdị: "Fully Threaded Stud Bolts", "Tap End Stud Bolts", na "Double End Stud Bolts". Nke ọ bụla n'ime ndị a studs nwere dị iche iche ngwa. Dị ka aha na-atụ aro, n'ụzọ zuru ezu threaded studs nwere zuru ahu mkpuchi na eri maka zuru njikọ aka nke matings akụ ma ọ bụ yiri akụkụ. Mgbata ngwụcha studs nwere eri na nsọtụ nke ahụ nwere ogologo njikọ aka na-enweghị nha nha, ebe bolts ngwụcha ngwụcha nwere nha nha ogologo na nsọtụ abụọ ahụ. E wezụga nke a, e nwere stud bolts maka flanges nke na-n'ụzọ zuru ezu threaded studs na chamfered nsọtụ, na abụọ ọgwụgwụ studs na belatara shank maka pụrụ iche bolting ngwa. Maka studs na-enweghị eri zuru oke, e nwere ụdị studs abụọ: studs zuru oke, na studs ndị na-adịghị mma. Studs nwere ahụ zuru oke nwere shank hà nhata isi dayameta nke eri ahụ. studs ndị a kpụchara akpụ nwere sịkị ka dayameta pitch nke eriri ịghasa. Emebere studs ndị a kpụrụ akpụ iji kesaa nrụgide axial nke ọma. N'ime stud zuru oke, nrụgide dị ukwuu na eri karịa na shank.