M5 x 45mm Socket Countersunk Screws (DIN 7991) - 10.9 High Tensile Steel Zinc Plated Socket Countersunk Screws feature an internal socket drive and are fastened with a Hexagonal\/Allen key. The slanted neck and flat top allow for Socket Countersunk Screws to lay flush with the fastened surface or raised when paired with a Cup\/Countersunk Washer. These Socket Countersunk Screws are made from 10.9 High Tensile Steel, and coated in a Bright Zinc Plating which provides a level of corrosion and oxidation resistance. For larger quantities or items not listed, please email and one of our team will provide you with a quotation. M5 x 45mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel 10.9 Zinc Plated