VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 2B - No. 4 x 40 Power Milling Chucks a left-hand spiral flute

a left-hand spiral flute

versatile solution for intricate mold and die tasks

6H): Engineered for tight tolerances on metric fine threads

M24x3 metric thread taps into the most common industrial and automotive applications

Long Neck for Deep Grooves and Stable Reach: The extended neck length enables access to deep pockets and tall cavities without deflection

VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 2B - No. 4 x 40 Power Milling Chucks a left-hand spiral fluteThe VCOIL Plug Gauge (D E) UNC (STI) Helicoil Gauge is a precision right hand thread gauge designed for reliable Helicoil insert verification. It targets No. 4 x 40 UNC threads with a compact, two ended design that provides both go and no go checks in one tool. Thread standard: Manufactured and assessed to ANSI ASME UNC thread system (D E), suitable for Helicoil gauge applications. Go No Go design: A thread limit plug gauge that combines a go end and