Ọkachamara China Ndị na-asa akwa igwe}}} na onye na-eweta ihe, anyị nwere ụlọ ọrụ. Nnabata iji zụta {77 site na anyị. Anyị ga-enye gị nkọwa zuru oke. Ka anyị tinye ibe anyị n'ọrụ iji mepụta ọdịnihu ka mma na nke ọma.
DONGSHAO bụ ọkachamara Cross Recessed Countersunk Head Self-tapping screws emeputa na onye na-ebubata ya na China, ị nwere ike ijide n'aka na ị na-ere ahịa na ahaziri ahazi Cross Recessed Countersunk Head Self-Tapping screws sitere na ụlọ ọrụ anyị, anyị ga-enye gị ọrụ kacha mma mgbe ire ere na oge. nnyefe.
Otu n'ime ndị na-emepụta China nke Hexagon isi Flinge Flinge ihu, na-enye ezigbo mma na ọnụahịa asọmpi, bụ Dongshao. Nke a bụ ụdị bolt a na-ahụkarị na ụlọ ọrụ mmepụta ihe na ụlọ ndị obodo. Ọ nwere nkọwa nke m8 × 1-m16 × 1.5, ezigbo eri, akara arụmọrụ nke 8.89.810.912.9 na A2-70, na Apple Grade A.
DONGSHAO bụ otu n'ime ọkachamara Double End Stud na-emepụta na ndị na-ebubata ya na China. Ngwaahịa anyị bụ CE asambodo ma nwekwaa ngwaahịa nke ụlọ ọrụ, nabata na azụmaahịa Double End Stud n'aka anyị.
Dongshao na-akpọ gị ka ị gaa na ụlọ ọrụ anyị iji zụta nke ọhụụ, nke kachasị mma, ọnụ ọgụgụ dị ọnụ ala, na nnukwu ikuku ikuku na-ejikọ ọnụ. Anyị na-atụ anya iso gị rụọ ọrụ.
bm = 1d abụọ stud na-ejikarị eme ihe maka njikọ n'etiti akụkụ abụọ ejikọrọ ígwè; bm = 1.25d na bm = 1.5d okpukpu abụọ na-ejikarị eme ihe maka njikọ dị n'etiti ihe nkedo ígwè ...
Dị ka ụdị ike nke njikọ ahụ si dị, a na-ekewa ya n'ime oghere nkịtị na oghere. Dị ka udi nke isi: hexagonal isi, gburugburu isi, square isi, countersunk isi na na.
A na-ejikarị ya maka ijikọ obere akụkụ. Ọ nwere kposara isi pan, cylindrical isi kposara, ọkara countersunk isi kposara na countersunk isi kposara. The ịghasa isi ike nke pan isi kposara...
A na-eji bolsion na-agbasa n'ọtụtụ ubi dịka iwu na ụlọ ọrụ. Ha na-enweta njikọ ike dị elu site na ịmịnye onwe ha site na mgbasawanye. A na-ahọrọ nkọwa ndị dị ka ebe ahụ. Ha bụ akụrụngwa na-enweghị isi na injinịa.
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