Ang mga fastener ay ginagamit sa mga flanges ng pipe ng bakal, maraming uri ang mga ito bilang stud bolt, hex bolt, hex bolt na may bahagyang thread, hex bolt na may buong thread, sinulid na baras, u-bolt, hex socket cap screw, hex nut, flat washer, spring washer. Na ginawa alinsunod sa karaniwang ASME B18.2.1 Hex Bolts, ASME B18.2.2 Hex Nuts, ASME B18.22.1 Plain Washers, Din931 Hex Bolt na may Bahaging Thread
Din933 Hex Bolt na may Buong Thread
Din912 Hex Socket Cap Screw
Din934 Jex Nut
Din125 Plain Washer
Din127 Spring Washer
din975 Threaded Rods
Din976 Stud Bolts
Dn3570 U -Bolt
- Zhengzhou Huitong Pipeline Equipment Co, Ltd.