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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
and offers ISO H5 tolerance (-0 to +0
it delivers durable cutting and reliable sizing across a range of materials
Geometry: Corner-radius edge engineered for clean
combined with a precise tolerance and a design tailored for reliable chip control
repeatable bore quality for production runs and precision workshops
VCOIL Plug Gauge (NoGo) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 1.3/8 x 12 Widin New and offers ISO H5 toleranceIntroducing the VCOIL Plug Gauge NoGo for UNF (STI) a precise, combined go no go gauge designed for Helicoil insert applications. Built for right hand UNF threads at 1 3 8 x 12 with a 3B tolerance, it helps shops verify thread quality quickly and consistently. Combined Go No Go design: A single gauge that tests both the go condition (hand screws into the thread) and the no go condition (scrap side limits how far it can be turned). UNF (STI) thread
