General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 25378-2010
Scope
This standard specifies the dimensions, materials, technical requirements and marks of collets, collet seats and nuts for clamping cylindrical shank tools. For spring collets that do not meet this standard, it shall be determined through negotiation between the supplier and the purchaser.
GB/T 25378-2010 Referenced Document
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 25378-2010 history
2010GB/T 25378-2010 Collets with 8°setting angle for tool shanks.Collets,nuts and fitting dimensions