HB 6221-1989
Wrench Size and Tolerance (English Version)
- Standard No.
- HB 6221-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Latest
- HB 6221-1989
- Scope
- This standard specifies the dimensions and tolerances of wrench openings for commonly used wrenches. This standard applies to commonly used wrenches such as blind wrenches, torx wrenches, socket wrenches, and hexagonal wrenches.
HB 6221-1989 history
- 1989 HB 6221-1989 Wrench Size and Tolerance
