Product name: Flange Nut (DIN6923, ISO4161)
Character:
Shanghai Eastern Waves Company established in 2000, We could supply you all kinds of fastener including: Washer, nut, screw, bolt, retaing ring, thread rod, pin and special products.
1) Nut DIN6923 (Hexagon nuts with serrated flange ISO met
our valve stem are used in variety of valve.
Grade A and B
1)Material: stainless steel
2)Mechanical properties: A2-70 A4-80
3)Standard:GB 6175-86(ISO 4035-1979)