Heli-coil 3G-OTH-262026 — Technical Specifications

The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap designed for 1/4"-20 UNC threads, with an H2 / 3B tolerance, 3 flutes, and a plug chamfer (MPN 4CPB). 3G Electric interprets this demand and sources the correct OEM tool, backed by specialist expertise across 14 industrial departments — and far more — to ensure you get the right answer, not just a catalog.