DONGSHAO ndi wodziwika bwino wopanga komanso wopereka zinthu ku China yemwe ali ndi zaka zambiri zokhazikika pakupanga ma Bolts a Maso. Tikuyembekeza kukhazikitsa ubale wamalonda ndi inu.
Hebei Dongshao Fastener Manufacturing Co., Ltd. ndi ogulitsa odziwika komanso opanga ma bawuti a Maso ku China.
Maboti a Diso opangidwa ndi kampaniyo ali ndi izi: Kutalika kosinthika, kumatha kukulitsidwa ndikusinthidwa molingana ndi kufunikira, koyenera kusintha kosiyanasiyana; Kukhazikika komanso kokhazikika, kumatha kukhazikitsidwa bwino magawo awiri, ndipo kumakhala ndi mphamvu yonyamula; Zosavuta kukhazikitsa, zitha kukhazikitsidwa ndi zida zamanja kapena zamagetsi, komanso zoyenera pamakina osiyanasiyana, zombo, ma turbines ndi mafakitale ena.
Ku China, ma bolts a Diso amatsatira muyezo wa GB/T798-88, womwe ndi bolt woyengedwa bwino wokhala ndi mawonekedwe osalala komanso olondola kwambiri ulusi. Mafotokozedwe a ulusi nthawi zambiri amakhala M6 mpaka M64. Kuphatikiza apo, ma bawuti a Diso amatsata muyezo wa DIN444, womwenso ndi bolt woyengedwa bwino, koma mawonekedwe ake sanaperekedwe pazotsatira.
Mabotolo amapezeka muzinthu zosiyanasiyana, kuphatikizapo Q235, 45 #, 40Cr, 35CrMoA, zitsulo zosapanga dzimbiri 304 ndi zitsulo zosapanga dzimbiri 316, kuti zigwirizane ndi malo osiyanasiyana ogwira ntchito ndi zofunikira zamphamvu. Chithandizo chake chapamwamba chimakhalanso ndi zosankha zingapo, monga galvanizing dip dip, osmotic plating, white plating, color plating ndi njira zina zotsutsana ndi dzimbiri.
(mm) | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M27 | M30 | M33 | M36 | M39 |
P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 |
d1 min | 5.070 | 6.070 | 8.080 | 10.080 | 12.095 | 16.095 | 18.095 | 22.110 | 24.110 | 27.110 | 30.110 | 32.120 | 35.120 |
d1 max | 5.190 | 6.190 | 8.230 | 10.230 | 12.275 | 16.275 | 18.275 | 22.320 | 24.320 | 27.320 | 30.320 | 32.370 | 35.370 |
dk max | 12 | 14 | 18 | 20 | 25 | 32 | 40 | 45 | 50 | 55 | 60 | 65 | 70 |
dk min | 11.57 | 13.57 | 17.57 | 19.48 | 24.48 | 31.38 | 39.38 | 44.38 | 49.38 | 54.26 | 59.26 | 64.26 | 69.26 |
r max | 4.0 | 6.0 | 6.0 | 6.0 | 9.0 | 9.0 | 9.0 | 15.0 | 15.0 | 15.0 | 22.4 | 22.4 | 22.4 |
r min | 2.0 | 3.0 | 3.0 | 3.0 | 4.5 | 4.5 | 4.5 | 7.5 | 7.5 | 7.5 | 12.8 | 12.8 | 12.8 |
s max | 8 | 9 | 11 | 14 | 17 | 19 | 24 | 28 | 30 | 34 | 38 | 41 | 46 |
s min | 7.42 | 8.42 | 10.3 | 13.3 | 16.3 | 18.16 | 23.16 | 27.16 | 29.16 | 33 | 37 | 40 | 45 |