Self-tapping screw - #4-40 UNC self-tapping screw, 5/8 inch length, for Genie opener assemblies. This genuine Genie OEM replacement part (Genie 24173B04.S) is designed for use in Genie garage door opener systems. Constructed from Steel, likely zinc plated (specific finish not confirmed). Dimensions: #4-40 UNC thread x 5/8 in. length. Installation: Self-tapping - driven into pre-drilled pilot hole in sheet metal or plastic with screwdriver or low-torque power driver.
A: Self-tapping screws form their own mating threads as they are driven into a pre-drilled or pilot hole, eliminating the need for a pre-tapped nut or insert in lighter-gauge sheet metal or plastic panels.
A: The title designates it as SLFTPG, which is Genie's abbreviation for self-tapping. The #4-40 designation refers to the thread size (No. 4 diameter, 40 threads per inch UNC coarse thread).
A: #4-40 self-tapping screws are very small. Use a hand screwdriver or low-torque power driver with a clutch setting to avoid stripping the formed threads.
A: Genie assigns this part to specific subassembly positions. Check the illustrated parts breakdown in your model's service manual to confirm the correct locations.
A: #4-40 x 5/8 self-tapping screws are an industry-common size. However, use only the specified OEM part to ensure proper thread form and head geometry for Genie assemblies.
