3 x dia of rivet
2 x dia of rivet
2.5 x dia of rivet
3.5 x dia of rivet
Sharpening
Supporting
Rest of workpiece
Protect the tool from damage
Dolly
Drift
Caulking tool
Fullering tool
To make good appearance
To prevent damage to the edges
To prevent over lapping at the seam
Maintain correct size and improve the strength
Tinned plate
Lead
Galvanised iron
Stainless sheet