What Are the Flat Washer Size Models?

1. flat washer C class (GB/T 95-2002) C-class washer with C-class bolts and nuts to use.

2. big washer Class A (GB/T 95.1-2002) and big washer C (GB/T 96.2-2002)

Large washerrefers to the outer diameter d2 and thickness h are larger than ordinary washers, mainly used in wood or aluminum and other non-ferrous metal parts of the connection occasion. Class A washers are used with A-class bolts and nuts with appropriate precision.

3. flat washer Class A (GB/T 97.1-2002), flat washer chamfer type A (GB/T 97.2-2002) and pin shaft flat washer (GB/T 97.3-2000)

These three washers protect the connected surface and reduce the surface pressure of the bolt head on the connected part.

These products are A-class, GB/T 97.1 is not chamfered, mainly used in M1.6 to M36 A-class and B-class bolts, screws, nuts matching, GB/T 97.2 for chamfer, mainly used for M5 to M36A and B-class bolts, screws, nuts matching.

4. small washer Class A (GB/T 848-2002)

The A-class small series of flat washers are mainly used for screws with cylindrical heads with thread sizes M1.6 to M36.