JBO Thread Plug Gauge - UNJC Go-No/Go - Right Hand - 3B - No. 4 x 40 RPTECH Its left-hand spiral flute and

Its left-hand spiral flute and right-hand cutting deliver predictable chip control and clean reaming in metalworking

and enhances workflow by delivering reliable

Material: HSS Co5 construction for enhanced durability and heat resistance in aluminium work

and right-hand cutting action to DIN 8089

This reamer is ideal for finishing drilled holes to precise dimensions

JBO Thread Plug Gauge - UNJC Go-No/Go - Right Hand - 3B - No. 4 x 40 RPTECH Its left-hand spiral flute andThe JBO Thread Plug Gauge is a precision go no go tool designed to verify UNJC threaded holes quickly and reliably. It's ideal for manufacturers, automotive shops, and aerospace suppliers who need fast, accurate checks to confirm hole size and thread quality. With a right hand orientation, 3B tolerance class, and No. 4 x 40 size, this gauge delivers consistent results across inspection tasks. Go No Go Quick Conformance Checks: The dual ended design