Surface:plain,zinc plated,yellow zinc plated,black zinc plated,nickel plated,hot dip galvanization
Standard according to IFI-128-2000 and DIN6334
Size from 1/4" to 2",M6 to M52
Material:carbon steel,stainless steel 304 and 316(A2,A4)
Hex Coupling Nuts
Perfect expansion
Specially designed built-in plug
Available to make all types of hex coupling. Round coup
| Delivery Time: | with in 20 days |
| Package: | small boxes in carton then on pallet or per your request |
| Payment Terms: | L/C,T/T |
| Port: | Ningbo or Shanghai |
| standard: | DIN6334 |
| Brand Name: | OEM |
| Place of Origin: | Zhejiang China (Mainland) |