Hook Size Thickness(mm) Wire Diameter(mm) Use Occasions
Uo 1.0--2.0 0.6 Laundry Belt
U1 1.0--2.5 1.0 PVC/Thin Belts
U2 2.5--3.5 1.4 Food Industry
U3 4.0--5.0 1.4 Filter Belts
U4 5.0--6.0 1.4 Thin Belts
U5/ U6 7.0—10 1.4 Heavy-Duty Belts
Filter hook 1.0—3.0 0.8/1.0 Filter cloth, filters belt
