Bonioni SA studies and manufactures special screws and bolts according to plan. Cold heading specialist. Bonioni SA manufactures small and large production runs: special screws, anchors, rivets-parts according to plan - All metals - All thermal and surface treatment. Established in Brazil since 1998 and Poland since 2008. Pins, bolt, deformation, anchoring, Anchors, cold heading, studs, micro-screws, form parts, rivets, anchors, bolts…