| Product Description: |
| 1) d : M4 |
| 2) d1 min : 4.3mm |
| 3) d2 max : 9mm |
| 4) s : 0.8mm |
| 5) HV : 140 |
| 6) Meet standard : DIN 125A |
|
| Product feature and application: |
| 1) Used with bolt or nut, used to reduce friction, prevent leakage, isolation, to prevent loosening or dispersed pressure. Electric galvanized provide better corrosion resistance ability. |
| 2) Widely used in equipment manufacturing, engineering machinery, agricultural machinery, power transmission and distribution, building, ships and other industrial and civil field. |
| 3) ARIFIS Hardware owns a capital asserts of over one million which specialize in manufacturing high strength Flat washers, Bolt screw, nut, machine screw, washer, wood screw, tapping screw, retaining ying, rivet, pin key and many other hard ware products with strong producing strength. |
