Constructed from quenched and tempered high grade alloy steel (Grade 10.9), these hexagon socket head countersunk screws are suited to high tensile applications. Possessing a maximum operating temperature of 300C and a minimum proof load of 830 Mpa, the product is ideal for applications that require a flush finished surface. With an oiled, as produced finish, the screws can be purchased in a variety of lengths with an M5 ISO metric thread size. Features and Benefits Supplied in boxes of 200 to ensure you have an ample amount of fasteners for your application Precise countersunk angle ensures maximum flushness and sidewall contact for a firm hold even over time Manufactured from a high grade alloy steel (Grade 10.9) for durability and product longevity Available in a variety of lengths to suit your needs, all with an M5 metric thread size Typical Applications Construction Plumbing DIY Standards DIN 7991 ISO 10642 BS 4168-8 NEN 2359