VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - No. 10 x 24 Boring Bar Blank reducing runout and improving bore

reducing runout and improving bore finish

71 mm diameter makes it ideal for applications requiring tight fits and repeatable hole sizes

following DIN 212 B geometry and ISO H5 tolerance

confident inspections: Instantly verify whether a hole is within tolerance—no guesswork

The stub length and straight shank provide stability in standard toolholders

VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - No. 10 x 24 Boring Bar Blank reducing runout and improving boreThe VCOIL Plug Gauge (D E) UNC (STI) Helicoil Gauge is a precision internal thread gauge designed for verifying helicoil inserts and UNC threaded parts. Its built for machinists, quality inspectors, and manufacturers who need reliable go no go validation of threaded components. No. 10 x 24 size: Size designation No. 10 x 24 with 3B internal thread class for accurate internal checks. Internal thread class: 3B tolerance class ensures consistent