Hexagon head screws in stainless steel M20 ISO 4014 d=20mm L=100mm thread=72mm, complete with nuts and washers (for flanges PN10 DN 200mm) pcs. 272 Hexagon head screws in stainless steel M20 ISO 4014 d=20mm L=120mm thread=83mm, complete with nuts and washers (for flanges PN10 DN 300mm) pcs. 236 Hexagon head screws in stainless steel M24 ISO 4014 d=24mm L=140mm thread=103mm, complete with nuts and bars ( for flanges PN10 DN 400mm) pcs. 480 Hexagon head screws in stainless steel M45 ISO 4014 d=45mm L=190mm thread=110mm, complete with nuts and washers (for flanges PN10 DN 1600mm) pcs. 960