Fastener bolt tightening principle The bolted connection must be able to resist external force, so that the assembled parts will not move in the direction of separation, otherwise the bolted joint will be loosened, damaged or fallen off. Therefore, we design the small clamping force of the bolt, whi... read more
(1) Constant torque tool to prevent loosening In the assembly process, in order to ensure that the bolts obtain sufficient pre-tightening force, but also to ensure that the torque is less than the yield point of the bolts, using a constant torque tool to control is the most effective method. The con... read more
(1) Anti-loosening device with additional friction The anti-loosening device with additional friction mainly has three structures: double nut tightening structure, spring washer tightening structure and self-locking nut tightening structure. Double nut tightening structure: first tighten the lower n... read more
The connection method of bolted connection is widely used in mechanical equipment, automobiles, trains, aerospace and other fields. It is the most basic structural form of fastener connection. For assembly factories, especially construction machinery assembly factories, bolted connection has the adv... read more
The advantages and disadvantages of the solid solution process of stainless steel pipe fittings have a great influence on the corrosion resistance and appearance brightness of stainless steel, and play a decisive role in the processing performance of stainless steel. Therefore, the heat treatment pr... read more
Yuyao Xintai Hardware Co., Ltd. was founded in 2005, which is a professional China construction anchor bolts manufacturers and concrete anchor bolts factory,our company engaged in various kinds of expansion bolt,high strength fasteners. We are near to Hang Zhou Bay, and cover 7000 square meters.
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