JBO 1/2in x 16TPI BSF No-Go Thread Ring Gauge British Standard Fine - 501167 Premium German made BSF Right Hand No-Go Thread Ring Gauge. GBP 164.99 1
JBO 1/2in x 20TPI UNF Go Thread Ring Gauge 2A UNF (Unified Fine) - 502455 Premium German made UNF Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 99.99 1
JBO 1/2in x 28TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 503778 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 189.99 1
JBO 1/2in x 20TPI UNF No-Go Thread Ring Gauge 3A UNF (Unified Fine) - 501128 Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. GBP 139.99 1
JBO 1/2in x 20TPI UNF No-Go Thread Ring Gauge 2A UNF (Unified Fine) - 501127 Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 79.99 1
JBO 1/2in x 16TPI BSF Go/No-Go Thread Plug Gauge British Standard Fine - 512528 Premium German made BSF Right Hand Go/No-Go Thread Plug Gauge. GBP 159.99 1
JBO 1/2in x 13TPI UNC No-Go Thread Ring Gauge 2A UNC (Unified Coarse) - 501078 Premium German made UNC Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 76.99 1
JBO 1/2in x 12TPI BSW No-Go Thread Ring Gauge Whitworth (bsw/bsp/bsf) - 501271 Premium German made BSW Right Hand No-Go Thread Ring Gauge. GBP 104.99 1
JBO 1/2in x 20TPI UNF Go/No-Go Thread Plug Gauge 2B UNF (Unified Fine) - 512454 Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 100.99 1
JBO 1/2in x 14TPI NPT Go/No-Go Thread Ring Gauge NPT (National Pipe Taper) - 502672 Premium German made NPT Right Hand Go/No-Go Thread Ring Gauge. GBP 329.99 1
JBO 1/2in x 20TPI UNF Go Left Hand Thread Ring Gauge 2A UNF (Unified Fine) - 502457 Premium German made UNF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 139.99 1
JBO 1/2in x 14TPI BSPT Go/No-Go Thread Plug Gauge BSPT (British Standard Pipe Taper) - 514573 Premium German made BSPT Right Hand Go/No-Go Thread Plug Gauge. GBP 279.99 1
JBO 1/2in x 14TPI BSP (g) Go Thread Ring Gauge B BSP (g) (British Standard Pipe) - 501363 Premium German made BSP (G) Right Hand Go Thread Ring Gauge. For checking to a B tolerance. GBP 179.99 1
JBO 1/2in x 14TPI BSPT Go/No-Go Thread Ring Gauge BSPT (British Standard Pipe Taper) - 503883 Premium German made BSPT Right Hand Go/No-Go Thread Ring Gauge. GBP 249.99 1
JBO 1/2in x 14TPI NPTF Go/No-Go Thread Ring Gauge NPTF (National Pipe Taper Fuel) - 502698 Premium German made NPTF Right Hand Go/No-Go Thread Ring Gauge. GBP 479.99 1
JBO 1/2in x 14TPI BSP (g) Go Thread Ring Gauge A BSP (g) (British Standard Pipe) - 501362 Premium German made BSP (G) Right Hand Go Thread Ring Gauge. For checking to a A tolerance. GBP 101.99 1
JBO 1/2in x 14TPI BSP (g) Go/No-Go Thread Plug Gauge BSP (g) (British Standard Pipe) - 511578 Premium German made BSP (G) Right Hand Go/No-Go Thread Plug Gauge. GBP 103.99 1
JBO 1/2in x 13TPI Sti UNC Go/No-Go Thread Plug Gauge 2B Sti UNC (Unified Coarse) - 512699 Premium German made STI UNC Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 344.99 1
JBO 1/2in x 14TPI BSP (g) Go Left Hand Thread Ring Gauge BSP (g) (British Standard Pipe) - 501370 Premium German made BSP (G) Left Hand Go Thread Ring Gauge. GBP 179.99 1
JBO 1/2in x 13TPI UNC Go/No-Go Left Hand Thread Plug Gauge 2B UNC (Unified Coarse) - 516810 Premium German made UNC Left Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. GBP 142.99 1
JBO 1/2in x 14TPI BSP (g) Go/No-Go DLC Coated Thread Plug Gauge BSP (g) (British Standard Pipe) - 512725 Premium German made BSP (G) Right Hand Go/No-Go Thread Plug Gauge. These come with a DLC coating for longer tool life. GBP 234.99 1