| Compatible Screw Size | M4, M8, M6, M10, M5, M12, M3 | material | Carbon Steel, Steel |
| Type | Flat | Inside Diameter | M4 |
| Surface Treatment | Zinc Plated, Plain, HDG, White Zinc, Yellow Zinc, Black Zinc, PTFE | application | Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry, Food & Beverage, General Industry |
| style | Other, Split, Wedge, Internal Tooth, Countersunk, External Tooth, Bonded | finish | Zinc, Black, Plain, Other, PTFE |
| Material | Carbon Steel | Surface treatment | PTFE. White Zinc .Yellow Zinc. HDG |
| Standard | DIN ISO ANSI JIS | Certificate | ROHS ISOISO9001:2008 ISO14001:2004 |
| Product name | Plain Washer | Service | OEM ODM |
| Payment Term | PaypalTTWestern UnionTrade Assurance | Port | Shanghai |
| Packing | Carton+pallets |