API 5B BUTTRESS CASING THREAD GAUGES

Northern Gauge manufactures API 5B Buttress Casing plug and ring gages from 1/8” to 13-3/8”.  All working gages are manufactured in full compliance to API 5B and fully traceable to API reference masters.

ItemDescription
BC490 4.5" API BUTTRESS CASING PLUG GAUGE NIST
BC491 4.5" API BUTTRESS CASING RING GAUGE NIST
BC492 5" API BUTTRESS CASING PLUG GAUGE NIST
BC493 5" API BUTTRESS CASING RING GAUGE NIST
BC494 5.5" API BUTTRESS CASING PLUG GAUGE NIST
BC495 5.5" API BUTTRESS CASING RING GAUGE NIST
BC496 6-5/8" API BUTTRESS CASING PLUG GAUGE NIM
BC497 6-5/8" API BUTTRESS CASING RING GAUGE NIM
BC498 7" API BUTTRESS CASING PLUG GAUGE NIM
BC499 7" API BUTTRESS CASING RING GAUGE NIM
BC500 7-5/8" API BUTTRESS CASING PLUG GAUGE
BC501 7-5/8" API BUTTRESS CASING RING GAUGE
BC502 8-5/8" API BUTTRESS CASING PLUG GAUGE
BC503 8-5/8" API BUTTRESS CASING RING GAUGE
BC504 9-5/8" API BUTTRESS CASING PLUG GAUGE
BC505 9-5/8" API BUTTRESS CASING RING GAUGE
BC506 10-3/4" API BUTTRESS CASING PLUG GAUGE
BC507 10-3/4" API BUTTRESS CASING RING GAUGE
BC507.1 11-3/4" API BUTTRESS CASING PLUG GAUGE
BC507.2 11-3/4" API BUTTRESS CASING RING GAUGE
BC508 13-3/8" API BUTTRESS CASING PLUG GAUGE
BC509 13-3/8" API BUTTRESS CASING RING GAUGE