Cup brush (Knot) with Hex nut wire thickness 0.35mm : (CUP BRUSH METAL KNOT) Valgro power knot wire brush are rugged, efficient tools for fast, heavy-duty cleaning of metal surface. Specially designed for removal of weld scale, heavy rust, old paints and corrosion and surface preparation of metal suitable to angel grinder.

Serial No.	Diameter	Trim/ Thickness	Arbor Hole	Thread(IS)	Shaft Dia	Steel	Stainless Steel 302	Brass
1	50	32	12	5/8 (M-14)	?	CMK02	CSK02	CBK02
2	75	32	16	5/8 (M-14)	19	CMK03	CSK03	CBK03
3	100	32	22.2	5/8 (M-14)	25	CMK04	CSK04	CBK04
4	150	38	12/16	-	?	CMK06	CSK06	CBK06