Hot Dip Galvanized Square Plate Washers , Precision Flat Ring Gasket 4.8 8.8 Grade
product description
Square Plate Washers is a hardware tool.It produces elastic deformation under various loads, so as to effectively seal and prevent leakage of the building structure, water seepage and shock absorption. Most of the applications are on construction sites.
Features
The product uses ordinary Q235 steel material for shearing punching, and then after the final packaging to complete the production.
Surface treatment:
True color, electroplating, hairline, color zinc.
Specifications
Ordinary | High strength | 8.8 | 10.9 | 12.9 |
Q235 | 35# | 35#
Conditioning |
40Cr
Conditioning |
35Crmo
Conditioning |
Q195 | 45# | 45#
Conditioning |
42Crmo
Conditioning |
|
10B21 | 20# |