6
Pegs (connecting pegs, pins) of metal, rivets of metal, pins (metal hardware), flanges of metal (collars), cramps of metal (crampons), sleeves (metal hardware), shims and spacers of metal, rings of metal, hooks (metal hardware) and bolts of metal, each for joining of plates and sheets of metal, except cutting tools and except screwed fastenings
7
Tools and fasteners for joining of plates and sheets of metal, except cutting tools and except screwed fastenings
8
Hand-operated tools, except cutting tools
20
Pegs (connecting pegs, pins) not of metal, rivets not of metal, pins not of metal, flanges not of metal (collars), cramps not of metal (crampons), sleeves not of metal; shims and spacers not of metal as far as included in class 20; hooks and bolts not of metal, each for joining of plates and sheets of metal, except cutting tools and except screwed fastenings