Yongnian County Hebei Pu Ao Xuan store fasteners   

Products high strength nut is a general term for the high strength nut, high strength bolts fastening usually do for machinery and automobile and roads, according to the product attributes corresponding to countries not Shenzhen hit the fastening screws with the standard number is divided into ordinary, non - standard, (old) GB, the new national standard, American, British, German standard. The size is different, the thread is not divided into table ensure the load thread specification D M12 M16 M20 M22 M24 M27 M30 KN 10H 87.716325531536747 5838H 70.013020325129338 ensure the load performance grade 466 hardness Rockwell hardness hardness of min max min max10H 98HRB Vivtorinox 28HRC 222 2748H 85HRB 28HRC 206274 other description square nut wrench at the slipping easily specifications of different parameters, structure for rough and simple. Six hexagon nuts generally used. Flat nut bolt under shear or generally used in structure, compact local position requirements. Thin nut as vice nut is flat nut in the anti loose device, locking. Thick nut for connection often disassembly. Castellated nut for vibration, variable load and loose place with cotter pin lock. Round nuts for fine thread, used in large diameter is connected, the nut is easy to use hook spanner assembly and disassembly, generally uses the round nut washer. Often with rolling bearings supporting the use of. Round nuts with outer diameter and small thickness, compact structure, is suitable for the two group is used, can make the axial micro adjustment. The knurled nut, grooved nut used for tooling. Six hexagon nuts product grades, the new GB is divided into A, B and C level. The most accurate C grade A, grade most inaccurate. Grade a nut for D is less than or equal to 16, B class for D > 16 nuts, C grade M5 ~ M64 nut. 2 type six hexagon nut is 1 type six hexagon nuts about 10%, the mechanical properties of a slightly higher grade. Description of transaction support online banking transactions to ensure quality products the company manufacturing strength, spacious workshop and a group of senior technical, technical workers quality management personnel and training, the use of advanced processing technology to process, the debugging and the test, to ensure product quality and pull.

High strength bolt, high strength nut, bolt for steel structure, the whole buckling bolt, bolt special for tower crane