QJ 406-1978
Compound drill with taper shank angle (ψ=90°, 120°, D=16~22) (English Version)
- Standard No.
- QJ 406-1978
- Language
- Chinese, Available in English version
- Release Date
- 1978
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 406-1978
QJ 406-1978 history
- 1978 QJ 406-1978 Compound drill with taper shank angle (ψ=90°, 120°, D=16~22)
