Hexagon Socket Head Shoulder Screw Made of  303 & 416 stainless steel as standard ISO7379.Carbon steel is availabel.Thread from M3 to M12. shoulder lengths from 10mm up to 200mm. They are socket head type as standard but slotted head and cross recessed are also available upon request.

Grade12.9, 8.8

Surface: zinc plating, black phosphate.