6
Building and construction materials and elements of metal; Metal hardware; Unprocessed and semi-processed materials of metal, not specified for use; Pot hooks of metal; Metal pulleys, springs and valves [not including machine elements]; Straps of metal; Metal strapping; Chains of metal; Couplings of metal for chains; Balls for bearings; Sliding rails of metal; Blocks (Metal -) for construction; Cable stretchers; Expansion joints of metal; Eye bolts; Structural steels; Sleeves [metal hardware]; Pipe jackets of metal; Plates for clamping straps, lock nuts, lock washers, ball screws, nuts
7
Gears for machines; Linear actuators; Belt drives; Machine couplings and transmissions, except for land vehicles; Gear wheels for machines; Cam sprockets, being engine timing components; Pulleys; Pulleys [parts of motors]; Pulleys [parts of machines]; Timing belt pulleys; Pulleys incorporating bearings [parts of machines]; Drive pulleys for power transmission belts of industrial machines; Dynamo belts; Belts for motors and engines; Belt pulleys; Belts for machines; Belt tensioners; Driving belts, other than for land vehicles; Power transmission belts for machines, motors and engines used in industrial applications; Power transmission chains; Conveying chains; Driving chains for machines; Toothed wheels for driving chains; Roller bearings; Self-oiling bearings; Bearing brackets for machines; Ball-bearings; Plain thrust bearings; Slide bearings; Roller bearings; Bearings for machines; Anti-friction bearings for machines; Machine tools for cutting; Guides for machines; Machine guides [parts of machines]; Gear units, other than for land vehicles; Gear units for machines; Rolling gearings [other than for land vehicles]; Timing belts for machines; Timing belts for motors; Universal joints [Cardan joints]; Connecting rods for machines, motors and engines; Wire chain belts for machines; Speed reducers [machine parts]; Worm gear reduction units; Bushings being parts of machines; Housings [parts of machines]; Bearings and bushings [machine parts]; Bearings for shafts