JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 5/8 x 11 Boring Bar Blank Diameter and tolerance: 4

Diameter and tolerance: 4

Wide diameter range with multiple neck lengths: The cutting diameter spans 1

The taper-shank design provides secure seating in compatible toolholders

Stub-length straight shank: Compact geometry fits tight pockets and short-hole applications

Carbide-tipped precision: Durable K10 carbide tip delivers long tool life and consistent bore sizes

JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 5/8 x 11 Boring Bar Blank Diameter and tolerance: 4The JBO Thread Plug Gauge is a precision go no go tool engineered for inspecting BSW right hand threads. Sized at 5 8 x 11 with a medium class tolerance, it is ideal for manufacturers, automotive shops, aerospace maintenance, and general engineering work where quick, reliable thread verification matters. This gauge features a straightforward go no go design that lets you quickly distinguish conforming from non conforming threads, helping you speed up