Mar aon de luchd-saothrachaidh proifeasanta ann an Sìona, bu mhath le DONGSHAO Boltaichean Amhach Ceàrnag Ceann leth-chruinn a thoirt dhut. Agus bheir sinn dhut an t-seirbheis às-reic as fheàrr agus lìbhrigeadh ann an deagh àm.
Tha Hebei Dongshao Fastener Manufacturing Co., Earr. na sholaraiche agus neach-dèanamh ainmeil de Boltaichean amhach ceàrnagach ceann leth-chruinn ann an Sìona. boltaichean amhach ceàrnagach ceann boltaichean amhach ceàrnagach leth-chruinn; Tha an gnìomh aige a bhith làidir agus seasmhach, beatha seirbheis fhada agus stàladh luath; Dealbhadh breagha de cheann leth-chruinn, freagarrach airson pròiseactan innleadaireachd a dh ’fheumas coltas math; Làimhseachadh uachdar sàr-mhath, anti-oxidation, anti-wear, anti-corrosion, freagarrach airson gach seòrsa àrainneachd chruaidh.
(mm) | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
dc air a char as motha | 13.1 | 17.1 | 21.3 | 25.3 | 29.3 | 33.6 | 41.6 |
dk min | 11.3 | 15.3 | 19.16 | 23.16 | 27.16 | 31 | 39 |
k1 air a char as motha | 4.4 | 5.4 | 6.4 | 8.45 | 9.45 | 10.45 | 12.55 |
k1 mionaid | 3.6 | 4.6 | 5.6 | 7.55 | 8.55 | 9.55 | 11.45 |
k as àirde | 4.08 | 5.28 | 6.48 | 8.9 | 9.9 | 10.9 | 13.1 |
k min | 3.2 | 4.4 | 5.6 | 7.55 | 8.55 | 9.55 | 11.45 |
s as àirde | 6.3 | 8.36 | 10.36 | 12.43 | 14.43 | 16.43 | 20.52 |
s min | 5.84 | 7.8 | 9.8 | 11.76 | 13.76 | 15.76 | 19.22 |
r min | 0.5 | 0.5 | 0.5 | 0.8 | 0.8 | 1 | 1 |
ds air a char as àirde | 6 | 8 | 10 | 12 | 14 | 16 | 20 |
ds min | 5.35 | 7.19 | 9.03 | 10.86 | 12.70 | 14.70 | 18.38 |