DIN7991 Hex Socket Flat Head CSK Screw Grade Kuhili ʻole 304 316 A2-70 A4-80

ʻO DIN7991 countersunk hexagon socket screw, he conical ke poʻo, ʻo ka waena he hexagon i hoʻihoʻi ʻia, hiki ke hoʻokomo ʻia ke poʻo wili i loko o ka ʻili ma hope o ka hoʻokomo ʻana, ʻoluʻolu a nani ka ʻili. Hiki ke hoʻokomo ʻia ke poʻo o ka countersunk hexagon socket screw i loko o ka ʻāpana, a hiki ke hoʻopili i ka torque nui aʻe, a ʻoi aku ka ikaika o ka pilina. Hiki iā ia ke hoʻololi i ka bolt socket hexagon. Hoʻohana pinepine ʻia i loko o ke ʻano o ka paʻa, ʻoluʻolu ke ʻano o ka hui. ʻO DIN7991 hexagon socket countersunk head screw He kuhikuhi i ka German standard DIN7991-1986, e kuhikuhi ana i ke kiko kikoʻī mai M3 -- M24 ISO metric thread, huahana pae A hexagon socket countersunk head screw.

Loaʻa ka DIN7991 hexagon socket countersunk head screws i ke kila kalapona a me ke kila kila. ʻO nā māka hana o ka carbon steel hexagon socket countersunk head screws he 8.8, 10.9, 12.9, hiki i ka maʻamau ke kuhikuhi iā GB3098.1. Pono nā mea kila kalapona i ka mālama ʻana i ka ʻili, maʻamau ka oxidation, electroplating, e like me ka pono o ka uhi ʻana a i ʻole ka mālama ʻana i ka ʻili, hiki ke kūkākūkā ʻia. ʻO nā wili poʻo hexagon socket countersunk i hoʻohana mau ʻia ma ka mākeke i hana ʻia me SUS304 a me SUS316, ikaika ke kūpaʻa ʻana i ka ʻino a me ka pale wela. ʻO SUS304 ka nui o ka paʻakikī o ka hana, kūpono no ka hana anu a me ka hohola ʻana; ʻOi aku ka maikaʻi o ka CORROSION RESISTANCE o SUS316 ma mua o ka 304. He kūpono loa ia no nā mea hoʻolaha moana a me nā kemika. ʻOi aku ka maikaʻi o ka corrosion a me ka hole corrosion resistance.

Hexagon socket screws ua maheleia i cylindrical head hexagon socket bolts e like me ke poo, ka mea i hoohana mau ia, a he nui no hoi na ano, e like me ka mea, aia ka hao, oia hoi, ke kila kalapona a me ke kila kila. He kila kila 304 a me 202 a pela aku. Hex socket bolt poʻo semi poepoe, ua kapa ʻia nō hoʻi kēia ʻo pan head hex socket bolt. ʻO ke poʻo ʻo Countersunk hex socket bolt, ʻo ke poʻo he poʻo pālahalaha, ʻo loko ke kumu hex. Aia kekahi ʻano o ka maʻamau ʻāina ʻoi aku ka kūikawā, i kapa ʻia ʻo headless hexagon bolt. ʻO ia ka mea a mākou e kapa pinepine ai i ka mīkini mika, ka wili uku, ka wili hoʻonohonoho. He mau huaʻōlelo maʻamau kēia no nā bolts hex poʻo ʻole, akā like lākou a pau. ʻOiaʻiʻo, aia kekahi mau bolts me ke poʻo hexagon pua i loko. ʻO ka liʻiliʻi kēia hoʻohana, paʻakikī hoʻi ka mākeke e ʻike. Hexagon socket screw ʻoiai ʻoi aku ka nui o nā ʻano kūlana aupuni, akā ʻoi aku kekahi mau mea kūikawā, he kakaikahi wale nō ka poʻe e hele e hoʻohana ma ka mākeke. Hoʻohana ʻia a i ʻole ka helu o nā ʻūhā kumu hex poʻo cylindrical, ʻike ʻia hoʻi he poʻo cylindrical hex socket screws.