JBO 1in x 12TPI UNF Go Thread Ring Gauge 2A UNF (Unified Fine) - 502448 Premium German made UNF Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 149.99 1
JBO 1in x 14TPI UN Go Thread Ring Gauge 2A UN (Unified) - 505372 Premium German made UN Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 409.99 1
JBO 1in x 12TPI UNF Go Left Hand Thread Ring Gauge 2A UNF (Unified Fine) - 502450 Premium German made UNF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 259.99 1
JBO 1in x 20TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 504056 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 329.99 1
JBO 1in x 32TPI UN Go Thread Ring Gauge 2A UN (Unified) - 502546 Premium German made UN Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 599.99 1
JBO 1in x 11TPI BSP (g) Go Thread Ring Gauge B BSP (g) (British Standard Pipe) - 501338 Premium German made BSP (G) Right Hand Go Thread Ring Gauge. For checking to a B tolerance. GBP 249.99 1
JBO 1in x 12TPI UNF No-Go Thread Ring Gauge 2A UNF (Unified Fine) - 501120 Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 149.99 1
JBO 1in x 20TPI UNEF No-Go Left Hand Thread Ring Gauge 2A UNEF - 504057 Premium German made UNEF Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 329.99 1
JBO 1in x 11TPI BSP (g) Go Thread Ring Gauge A BSP (g) (British Standard Pipe) - 501337 Premium German made BSP (G) Right Hand Go Thread Ring Gauge. For checking to a A tolerance. GBP 149.99 1
JBO 1in x 20TPI UNEF No-Go Thread Ring Gauge 2A UNEF - 500007 Premium German made UNEF Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 199.99 1
JBO 1in x 12TPI UNJF No-Go Thread Ring Gauge 3A UNJF - 500124 Premium German made UNJF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 329.99 1
JBO 1in x 14TPI UN No-Go Thread Ring Gauge 2A UN (Unified) - 501202 Premium German made UN Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 409.99 1
JBO 1in x 32TPI UN No-Go Thread Ring Gauge 2A UN (Unified) - 501205 Premium German made UN Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 599.99 1
JBO 1in x 12TPI UNF No-Go Thread Ring Gauge 3A UNF (Unified Fine) - 501121 Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 259.99 1
JBO 1in x 12TPI UNF No-Go Left Hand Thread Ring Gauge 2A UNF (Unified Fine) - 501122 Premium German made UNF Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 259.99 1
JBO 1in x 12TPI UNF Go/No-Go Thread Plug Gauge 2B UNF (Unified Fine) - 512444 Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 159.99 1
JBO 1in x 12TPI UNF Go/No-Go Thread Plug Gauge 3B UNF (Unified Fine) - 512445 Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 3B tolerance. GBP 199.99 1
JBO 1in x 14TPI UN Go/No-Go Thread Plug Gauge 2B UN (Unified) - 512580 Premium German made UN Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 449.99 1
JBO 1in x 20TPI UNEF Go/No-Go Thread Plug Gauge 2B UNEF - 511539 Premium German made UNEF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 173.99 1
JBO 1in x 11TPI BSP (g) No-Go Thread Ring Gauge B BSP (g) (British Standard Pipe) - 500044 Premium German made BSP (G) Right Hand No-Go Thread Ring Gauge. For checking to a B tolerance. GBP 449.99 1
JBO 1in x 32TPI UN Go/No-Go Thread Plug Gauge 2B UN (Unified) - 512583 Premium German made UN Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 509.99 1
JBO 1in x 20TPI UNEF Go/No-Go Left Hand Thread Plug Gauge 2B UNEF - 517362 Premium German made UNEF Left Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 223.99 1
JBO 1in x 12TPI UNJF Go/No-Go Thread Plug Gauge 3B UNJF - 511607 Premium German made UNJF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 3B tolerance. GBP 259.99 1
JBO 1in x 11TPI BSP (g) Go/No-Go DLC Coated Thread Plug Gauge BSP (g) (British Standard Pipe) - 512724 Premium German made BSP (G) Right Hand Go/No-Go Thread Plug Gauge. These come with a DLC coating for longer tool life. GBP 333.99 1