HB 1-134-1974
Four grade precision (d4) short thread cross recessed 90° countersunk head bolts (English Version)
- Standard No.
- HB 1-134-1974
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1-134-1983
- Latest
- HB 1-134-2002
HB 1-134-1974 history
- 2003 HB 1-134-2002 90°countersunk head bolts with cross recess,shank tolerance f9
- 1995 HB 1-134-1995 Polished rod tolerance band h8 short thread cross recessed 90° countersunk head bolts
- 1970 HB 1-134-1983 Polished rod tolerance band h8 short thread cross recessed 90° countersunk head bolts
- 1970 HB 1-134-1974 Four grade precision (d4) short thread cross recessed 90° countersunk head bolts
