Hex head screw - #6-20 thread, 5/16 inch length hex head screw for Genie opener assemblies. This genuine Genie OEM replacement part (Genie 25967A04.S) is designed for use in Genie garage door opener systems. Constructed from Steel, likely zinc plated (specific finish not confirmed). Dimensions: #6-20 thread x 5/16 in. length. Installation: Threaded fastener - driven with wrench or hex nut driver into mating hole or pre-tapped surface.
A: #6-20 is a thread form used in sheet metal or self-tapping applications with a No. 6 diameter and approximately 20 threads per inch. The 'X' in the title likely denotes a hex washer head or cross-recess variant per Genie internal coding.
A: A hex head screw requires a wrench or socket for installation, which allows higher torque application than a slotted or Phillips drive screw. This is useful in structural bracket attachments.
A: 5/16 inch is a very short length, indicating this screw is used for light-gauge sheet metal attachments or cover panels where minimal thread engagement is needed.
A: Use a nut driver or small open-end wrench sized to the hex head. The exact hex size should be measured against the physical fastener prior to installation.
A: Refer to the illustrated parts breakdown in your Genie model's service manual. The part number and title will be listed against the specific assembly location.
