The special pulling rivet of rail wagon is a connecting fastener which has higher requirements on the performance parameters.
铁路货车专用拉铆钉是铁路货车连接紧固件，性能参数要求较高。
Besides, we also produce various kinds of sleeve moulds, nut moulds, special moulds, fastener moulds and carbonized tungsten moulds.
专业制造各式套筒模具、螺帽模具、特殊模具、紧固件模具和碳化钨模具。
When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
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