JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 7/8 x 9 End Mill Holders enabling precise finish with durable

enabling precise finish with durable performance

it fits common reaming setups on lathes

Featuring the Automatic Precision Universal (APU) system and a B16 shank

005 mm): Tight size control on every reamer ensures consistent hole dimensions across batches for reliable fits in precision work

Flute direction: Left-hand spiral flute to assist chip evacuation during reaming

JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 7/8 x 9 End Mill Holders enabling precise finish with durableJBO Thread Plug Gauge is a precision tool crafted to verify left hand Unified Coarse (UNC) internal threads with exacting accuracy. Ideal for manufacturers, automotive shops, and aerospace facilities, this go no go gauge delivers fast, reliable checks to confirm holes meet the intended thread standards. Sized for a 7 89 UNC thread and built to a 2B tolerance, it helps ensure proper fit and dependable performance in critical assemblies. Go No Go quick