Hot Dip Galvanized Flat Metal Washers , Precision Flat Ring Gasket 4.8 8.8 Grade
Product Description
The Flat Washers, also be called Flat Ring Gasket, which is mainly stamped out of the iron sheet, is usually a flat gasket, with a hole in the center.Its function is to Increase the contact area of the screw and machine.And eliminate the damage to the surface of the machine by removing the spring pad. The use must be a spring cushion pad, the flat mat next to the machine surface, the spring mat between the flat pad and the nut.
Specification
Specification |
Minor Diameter |
Outside Diameter |
Thickness Tolerance |
Thickness Tolerance Disintegration |
USS 3/16 | 6.22~6.73 | 14.15~14.66 | 0.91~1.65 | 0.91~1.40 |
1.40~1.65 | ||||
USS 1/4 | 7.80~8.31 | 18.47~19.02 | 1.30~2.03 | 1.30~1.65 |
1.65~2.03 | ||||
USS 5/16 | 9.40~9.91 | 22.05~22.99 | 1.63~2.64 | 1.63~2.20 |
2.20~2.64 | ||||
USS 3/8 | 11.00~11.51 | 25.22~26.16 | 1.63~2.64 | 1.63~2.20 |
2.20~2.64 | ||||
USS 7/16 | 12.57~13.08 | 31.57~32.51 | 1.63~2.64 | 1.63~2.20 |
2.20~2.64 | ||||
USS 1/2 | 14.15~14.60 | 34.75~35.69 | 2.18~3.35 | 2.18~2.70 |
2.70~3.00 | ||||
3.00~3.35 | ||||
USS 9/16 | 15.75~16.26 | 37.13~38.07 | 2.18~3.35 | 2.18~2.70 |
2.70~3.00 | ||||
3.00~3.35 | ||||
USS 5/8 | 17.30~18.24 | 44.27~45.21 | 2.74~4.06 | 2.74~3.20 |
3.20~3.60 | ||||
3.60~4.06 | ||||
USS 3/4 | 20.45~21.39 | 50.62~51.56 | 3.10~4.50 | 3.10~3.60 |