GB/T 848-2002 (English Version) PDF

Standard No.: GB/T 848-2002
Language: Chinese, Available in English version
Release Date: 2002
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 848-2002
Replace: GB/T 848-1985

Scope: This standard specifies flat washers with a nominal size (major thread diameter) of 1.6-36mm, a small series, a hardness level of 200HV and 300HV, and a product level of A-level. Washers of hardness class 200 HV are suitable for: - cylinder head screws of property class up to 8.8 or of stainless steel; - hexagon socket head screws of property class up to 8.8 or of stainless steel; hexagonal socket head screws made of stainless steel; - case-hardened cylindrical head self-pressing screws. Washers with a hardness class of 300HV are suitable for: - hexagon socket head cap screws up to property class 10.9; - hexagon socket head cap screws up to property class 10.9. If dimensions other than those specified in this standard are required, they should be selected from GB/T 5286. The user should verify the suitability of this type of gasket when used to clamp soft material parts or large bolt holes in workpieces.

GB/T 848-2002 history