DIN577 Square nut

1. Standards

1. DIN557(Square nut)

2. Material

2. Stainless steel, carbon steel, copper, iron,spring steel and brass.

3. Size

3. M5 M6 M8 M10 M12 M16 M20

4. Certificate

4. ISO9001:2000 RoHS certification 

5. Features

5. Good anti-corrosion ability,kinds of coatings 

6. Grade

6. 4.8, 6.8, 8.8, 10.9, 12.9……

7. After-sale service

7. If any quality problem,  we pay for the loose at once

8. Surface treatment

8. Passivation,Galvanized,dacromet ,black chromium, and according your requirement

9.Packing

9. Bulk(25kgs/carton) or small package(according to the customers' requirement)

10.Usd fields

10. construction industry, furniture fields and other public equipment