Nanchang high strength bolt processing wholesale

Supply Nanchang steel bolts. Supply Nanchang Steel subcomponents, supply Nanchang Tied prices, supply support level Nanchang factory direct supply Nanchang bracing latest offer, supply customized support column between Nanchang, Jiangxi Nanchang Supply Stayed bar serving Nanchang brace , Nanchang, Jiangxi supply gaskets, bolt supply Nanchang, Jiangxi Nanchang supply stud, supply Nanchang U-bolts, standard parts supply Nanchang, Jiangxi Nanchang supply special parts, Nanchang bolt purchase wholesale center consulting services Hotline: 15071054952 Mr. Wu, QQ: 838299879 term supply Nanchang bolt processing, embedded processing, wholesale and processing steel bolts, studs introduce information never expires ??? I supply company headed screw column, stud coupling is screwed into the studs are screw coupling one end of one member, the other end is coupled through the through holes of another member, then put the washer and tighten the nut. Stud coupling used in one coupling assembly and disassembly too thick or inconvenience occasions, during disassembly, usually only remove the nut without unloading studs to prevent being damaged by repeated assembly and disassembly of screw coupling. bm = 1d generally used for both steel studs are connected between the connecting member; bm = 1.25d and bm = 1.5d studs are generally used in cast iron and steel fittings are fittings of connection between; bm = 2d studs are generally used for the aluminum alloy is connected between the connector member is connected with the steel. It said former coupling member with an internal thread hole, the latter connecting member having a through hole. As long as both ends of the threaded stud is required with nuts, washers fit for two with a hole to be joined. Stud stud (GB897 ~ 900-88) on the use of threads, are generally coarse thread, you may also need to use a fine tooth transition fit common thread or threads (according to the provisions of GB1167). And other long stud -B grade, according to the need to adopt 30Cr, 40Cr, 30CrMnSi, 35CrMoA, 40MnA or 40B and other materials, the performance of the contract-order production. I produced the stud is manufactured in accordance with the relevant standards, the use of materials, specifications, length complete, and can be customized according to customer orders. Alpha righteousness is ISO9001 international quality system certification, the company testing equipment, quality control procedures specification, product quality inspection strict, meaning the production of stable Alpha stud quality, rigorous testing, and reasonable price, timely delivery, provide warranty single, welcome new and old customers call to buy!