WebbTechnology, Shanghai High Strength Bolts Plant, Central Research Institute of Building and Construction, MCC Group, Daye Special Steel Co., Ltd. This national standard was prepared by Cheng Jiqing and Shen Jiahua. The previous versions replaced by this standard are as follows. --GB 1230-1976, GB 1230-1984, GB/T 1230-1991. http://jxjyjl.com/wmpt/company/000003587/
GB/T 1230-2006: PDF in English. - Chinese Standard
WebbHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. is a modern enterprise with registered capital of RMB7 million and is professionally engaged in manufacturing high strength heavy hexagon head bolts, tension control bolts(TC bolt) and shear stud/shear connector used for steel construction. Webb24 maj 2024 · Shanghai Premier operates a full state of the art Greenkote coating line and has added significant new capacity to fill the AGPP contract. The company’s Greenkote coated preload bolts, both tension control bolts (TCB) and hex bolts, all meet the most stringent international standards including ISO C5-M which addresses very highly … ear nose throat doctor springfield ma
Shanghai Shenguang High Strength Bolts Co., Ltd - Blade bolt…
WebbThe distribution categories include: SEM screws, high strength bolts, hex socket bolts and nuts, self-tapping screws, washers and lock rings. Grades are 4.8, 8.8, 10.9 and 12.9. The material is stainless steel A2-70, A4-80. To ensure the high quality, we introduced complete automatic SEM screw assembly machine. http://19126.chinafastenerinfo.net/ Webb19 mars 2024 · the high strength large hexagon nuts whose screw dimension is M12~M30. This national standard is applicable to the contact sets of friction-type high strength bolt hexagon nut and plain washer for steel structures which are used together with GB/T 1228-2006 High Strength Bolts with Large Hexagon Head for Steel Structures. … csx waverly tn