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Carbon Steel Hot Dip Galvanized Heavy Duty Square Plate Washers / Flat Ring Gasket
product description
Square Washer is a kind of hardware tools.In a variety of load elastic deformation, which play an effective fastening seal to prevent the leakage of water and building structures, cushioning and damping effect. Mostly used on construction sites.
Features
The product uses ordinary Q235 steel material for shearing punching, and then after the final packaging to complete the production.
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# |