DONGSHAO bụ otu n'ime ndị ndu ọkachamara China Mshroom Head Square Neck Bolts na-emepụta ihe dị elu na ọnụ ahịa ezi uche dị na ya. Nnọọ ịkpọtụrụ anyị.
Hebei Dongshao Fastener Manufacturing Co., Ltd. bụ onye a ma ama na-ebubata na onye nrụpụta Mshroom head square neck bolts na China. Ngwa mkpuchi olu Mshroom isi square ya bụ ahaziri ahazi yana dịkwa mfe ịwụnye. Nhazi Bayonet iji gbochie rụrụ arụ; Ngwọta elu dị mma, nguzogide corrosion, nguzogide oxidation, ogologo ndụ ọrụ, kwesịrị ekwesị maka gburugburu ebe obibi siri ike; Ike njigide siri ike, dabara maka oke chọrọ nke injinia na mpaghara ndị ọzọ; Akụkụ dị iche iche nke imewe imewe nke dị iche iche diameters na ogologo, ka n'ụzọ ziri ezi dakọtara dị iche iche ojiji oge na mkpa.
Mshroom isi square olu bolts na-adịkarị eji maka marble echichi nke akọrọ pendent, mgbe tightening, na bolt mkpanaka agaghị atụgharị n'ihi square olu, mfe idozi na wụnye, tumadi na-eji na ụfọdụ ebe ndị mkpa countersunk isi kposara. Tụkwasị na nke ahụ, a pụkwara iji ya mee ihe maka ihe eji arụ ọrụ, tinye ya na oghere eriri eriri maka iji njikọ mee ihe, na square olu nke ịghasa ga-arapara n'ime oghere ahụ, na-egbochi ụda olu square ka ọ gbanwee n'otu ntụziaka ahụ n'oge echichi. Mshroom head square neck bolts bụ tumadi ji jikọọ akụkụ n'ihi structural mgbochi adịghị adabara hexagonal bolts ma ọ bụ bolts na-achọrọ ka a na-eji ire ụtọ ekpughe akụkụ nke emume, dị ka ugbo igwe ụkwụ, mgbidi panel na na na.
Ụkpụrụ bụ isi maka Mshroom head square neck bolts bụ GB12-88 na GB/T14-1998. GB12-88 na-akara udi nke eriri olu square na nha ọkọlọtọ nke akụkụ nke ọ bụla, dịka ọmụmaatụ, n'ihe banyere eriri olu square na dayameta nke M5, nha olu bụ kacha bụ 4.1, nke kacha nta bụ 2.9mm . GB/T14-1998 na-akọwapụta Mshroom head square neck bolts na eri nkọwa nke M5--M20 na ngwaahịa ọkwa nke C.
(mm) | M6 | M8 | M10 | M12 | M14 | M16 | M20 | M24 |
P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 |
dk max | 15.1 | 19.1 | 24.3 | 29.3 | 33.6 | 36.6 | 45.6 | 53.9 |
dk min | 13.3 | 17.3 | 22.16 | 27.16 | 31 | 34 | 43 | 50.8 |
ds max | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
ds min | 5.35 | 6.19 | 7.03 | 7.86 | 8.70 | 9.70 | 10.38 | 11.05 |
k1 kacha | 4.4 | 5.4 | 6.4 | 8.45 | 9.45 | 10.45 | 12.55 | 17.55 |
k1 min | 3.6 | 4.6 | 5.6 | 7.55 | 8.55 | 9.55 | 11.45 | 16.45 |
k max | 3.48 | 4.48 | 5.48 | 6.48 | 7.9 | 8.9 | 10.9 | 13.1 |
k min | 2.7 | 3.6 | 4.6 | 5.6 | 6.55 | 7.55 | 9.55 | 11.45 |
r max | 0.5 | 0.5 | 0.5 | 0.8 | 0.8 | 1 | 1 | 1.5 |
s max | 6.3 | 8.36 | 10.36 | 12.43 | 14.43 | 16.43 | 20.52 | 24.52 |
s min | 5.84 | 7.8 | 9.8 | 11.76 | 13.76 | 15.76 | 19.72 | 23.72 |