VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - No. 4 x 40 Milling Cutter Arbors and delivers reliable results across

and delivers reliable results across your production line

while the carbide construction provides wear resistance under high cutting speeds

helping you reduce downtime and keep projects moving

accurate bore sizes to ISO H5 tolerance in demanding machining environments

VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - No. 4 x 40 Milling Cutter Arbors and delivers reliable results acrossThe VCOIL Plug Gauge is a precision Go No Go tool designed to verify UNC (STI) Helicoil thread inserts. Built for right hand threads with a 3B tolerance, this No. 4 x 40 gauge complies with ANSI ASME thread standards to support reliable quality control in manufacturing and maintenance environments. Thread system: UNC (STI), Right Hand Gauge type: Thread limit plug gauge (combines go plug gauge and no go plug gauge) Size designation: No. 4 x 40 End