Type schematic (not to scale) of a MIG nozzle, labelled with the printed size (metric) cited in the specifications below; this part's outside diameter, bore and length are not in our sources.

CM Industries 42.0001.4478B MIG nozzle

CM Industries 42.0001.4478B H.D. Nozzle 17mm - BRASS: size (metric) 17 mm, material Brass.

MIG nozzles · All CM Industries part numbers

A cylindrical nickel-plated MIG welding nozzle with a blue insulator ring, lying on a white surface — A typical MIG nozzle — not necessarily this part. Photo: “Mig 1” by Victorvs, CC0, via Wikimedia Commons (resized).

Specifications

Size (metric)	17 mm
Material	Brass

All specifications: Single source printed by CM Industries; not corroborated

Related parts

Sources

CM Industries — Fronius® Complete Parts ListCM Industries · cross-reference tool · row 86 · supports part identity, specifications