Use an Allen wrench (hex key) to secure with required torque as needed.
This fastener is headless and contains an internal hex drive. Although often used in machinery, they can be found around the home as well to secure window crank handles to window operators or to hold interior door knobs to spindles.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.