Bus and bus terminals or bus terminals and electrical connectors, when using bolt lap joint, shall meet the following requirements: a, hole diameter and length of the various types of lap lap bus connections comply with Appendix C of this specification and tighten with a torque wrench to tighten the bolt torque values ??of steel connections comply with Appendix D of this specification; b, the bus terminal contact surfaces clean plants, electricity composite resin coated large terminals around the bolt holes without burr; c, connecting both sides of the bolts have flat washers, there is a gap between adjacent washer more than 3mm, nut side is equipped with a spring washer or locknut; d, bolt force uniform terminal, not to the electrical terminals subject to additional stress. Terminals prospect is huge, currently the majority of small businesses, there are many opportunities and challenges in the future, as long as it will grasp the development direction of rapid development, the core value of the enterprise should protrude to establish their own The brand, product promotion to the world, this will continue to develop, to get world recognition. Cold terminal, terminal Qingyuan, Xu Song Chong electronic products factory from Dongguan Shijie Xu Song Chong electronic products factory provided. Dongguan Shijie Xu Song Chong Electronic Products Factory (chuangxs.1688.com) (www.chuangxs.1688.com) strong, credible, connectors, and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and continuous improvement to create innovative ideas will lead Xu Song electronic products factory and you hand in hand into the brilliant, for a better future! You can also access (www.chuangxs.1688.com/supply_details_44291380.html), for more information about the company.