ប្រដាប់ដាក់រនុកត្រូវបានប្រើនៅលើបំពង់ដែក វាមានច្រើនប្រភេទដូចជា Stud Bolt, Hex Bolt, Hex Bolt with partial thread, Hex Bolt with full thread, Threaded Rod, U-Bolt, Hex Socket Cap Screw, Hex Nut, Flat Washer, Spring Washer ។ ដែលត្រូវបានផលិតឡើងតាមស្តង់ដារ ASME B18.2.1 Hex Bolts, ASME B18.2.2 Hex Nuts, ASME B18.22.1 Plain Washers, DIN931 Hex Bolt with partial thread
DIN933 Hex Bolt with full thread
DIN912 Hex Socket Cap Screw
DIN3N5/NXIN3 Washer
DIN127 Spring Washer
DIN975 Threaded Rods
DIN976 Stud Bolts
DN3570 U-Bolt
- Zhengzhou Huitong Pipeline Equipment Co., Ltd.