Ama-fasteners asetshenziswa kumaphayiphu wensimbi ensimbi, azinhlobo eziningi njenge-Stud Bolt, i-hex bolt, i-hex bolt ngentambo ephelele, i-hex enonduku, i-hex socket cap screw, i-hex nather, i-washer yasentwasahlobo. Ezikhiqizwa ngokuya nge-ASME B18.2.1 Hex Bolts, ASME B18.2.2 Ama-hex amantongomane, i-Din934 hex I-Washer
^ Din975 Threaded Rods
^ Dis976 Stud Bolts
^ DN3570 U-Bolt
^ - Zhengzhou Huitong Pipeline Equipment Co, Ltd.