VCOIL Plug Gauge (D/E) - BSP (STI) - Heli Coil Gauge - Right Hand - 1/4 x 19 End Mill Holders DIN 212‑B tolerance with straight

DIN 212‑B tolerance with straight shank: D = 0 + 0

Right-hand 4H tolerance design: Aligns with standard threading practices to deliver repeatable

while multiple length specifications let you select the ideal reach and rigidity for your project

Built with HSS-E and a left-hand spiral flute paired with right-hand cutting

Right-hand thread aligns with standard machining practice

VCOIL Plug Gauge (D/E) - BSP (STI) - Heli Coil Gauge - Right Hand - 1/4 x 19 End Mill Holders DIN 212‑B tolerance with straightPrecise thread plug gauge for BSP (STI) fasteners, the VCOIL Plug Gauge (D E) Right Hand, 1 4 x 19, is designed for Helicoil coil insert applications. This go no go gauge provides quick, reliable verification of thread quality to ANSI ASME standards. End Type: Right hand thread plug gauge with go and no go ends for BSP (STI) D E sizes. Thread Size: 1 4 x 19 (1 4" 19 TPI) to match standard BSP threads. Go End: Screws into the threaded cut in a part by