JBO 9/16in x 24TPI UNEF Go Thread Ring Gauge 2A UNEF - 501334 Premium German made UNEF Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 149.99 1
JBO 9/16in x 24TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 505871 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 219.99 1
JBO 9/16in x 12TPI UNC Go Left Hand Thread Ring Gauge 2A UNC (Unified Coarse) - 506407 Premium German made UNC Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 164.99 1
JBO 9/16in x 12TPI UNC Go Thread Ring Gauge 2A UNC (Unified Coarse) - 502425 Premium German made UNC Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 89.99 1
JBO 9/16in x 18TPI UNF Go Left Hand Thread Ring Gauge 2A UNF (Unified Fine) - 502483 Premium German made UNF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 159.99 1
JBO 9/16in x 12TPI UNC Go Thread Ring Gauge 3A UNC (Unified Coarse) - 503165 Premium German made UNC Right Hand Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 179.99 1
JBO 9/16in x 12TPI UNC No-Go Thread Ring Gauge 2A UNC (Unified Coarse) - 501097 Premium German made UNC Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 89.99 1
JBO 9/16in x 18TPI UNF No-Go Thread Ring Gauge 3A UNF (Unified Fine) - 501153 Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 159.99 1
JBO 9/16in x 18TPI UNJF No-Go Thread Ring Gauge 3A UNJF - 500130 Premium German made UNJF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 204.99 1
JBO 9/16in x 12TPI UNC No-Go Left Hand Thread Ring Gauge 2A UNC (Unified Coarse) - 506420 Premium German made UNC Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 164.99 1
JBO 9/16in x 12TPI UNC Go/No-Go Left Hand Thread Plug Gauge 2B UNC (Unified Coarse) - 517331 Premium German made UNC Left Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 159.99 1
JBO 9/16in x 18TPI UNF Go/No-Go Thread Plug Gauge 2B UNF (Unified Fine) - 512478 Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 119.99 1
JBO 9/16in x 18TPI UNJF Go/No-Go Thread Plug Gauge 3B UNJF - 511617 Premium German made UNJF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 3B tolerance. GBP 189.99 1
JBO 9/16in x 12TPI UNC Go/No-Go Thread Plug Gauge 3B UNC (Unified Coarse) - 512420 Premium German made UNC Right Hand Go/No-Go Thread Plug Gauge. For checking to a 3B tolerance. GBP 149.99 1
JBO 9/16in x 18TPI UNF Go/No-Go Left Hand Thread Plug Gauge 2B UNF (Unified Fine) - 512480 Premium German made UNF Left Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 159.99 1