Half & Full Couplings
Merchant Steel
Coupling dimensions and materials conform to ASTM A865
Coupling threads conform to ASME B1.20.1
Half Coupling Sizes Available
1/8” thru 8” (2-1/2” thru 8” Taper Tapped)
Full coupling Sizes Available
1/8” thru 8” (2-1/2” thru 8” Taper Tapped)
Couplings from 1/8” to 2” are NPSC (straight threads)
2-1/2” and larger are NPT (tapered)
| SIZE | HALF COUPLING PART # | FULL COUPLING PART # |
| 1/8″ | BHC-1/8 | BSC-1/8 |
| 1/4″ | BHC-1/4 | BSC-1/4 |
| 3/8″ | BHC-13/8 | BSC-3/8 |
| 1/2″ | BHC-1/2 | BSC-1/2 |
| 3/4″ | BHC-3/4 | BSC-3/4 |
| 1″ | BHC-1 | BSC-1 |
| 1 1/4″ | BHC-1-1/4 | BSC-1-1/4 |
| 1 1/2″ | BHC-1-1/2 | BSC-1-1/2 |
| 2″ | BHC-2 | BSC-2 |
| 3″ | BHC-3 | BSC-3 |
| 4″ | BHC-4 | BSC-4 |
| 5″ | BHC-5 | BSC-5 |
| 6″ | BHC-6 | BSC-6 |
| 7″ | BHC-7 | BSC-7 |
| 8″ | BHC-8 | BSC-8 |