Use an Allen wrench (hex key) to secure with required torque as needed.
Length is measured from the top of the fastener to the base of the cup point.. Socket Set Screw, Metric M8-1.Fasteners are constructed of steelAll fasteners come in a corrosion resistant, zinc plated finish, allowing them to be used indoors and outDesigned for use when fastening into wood based substancesThe heads of these fasteners feature a large slotted driveEasy to install with only a few simple toolsFor further dimensional and specification information, please see the line drawingSpecification(s) Met: ISO 4029, ISO 898-5, CLASS 45H This fastener is headless and contains an internal hex drive.