239 Mounting Bolt, 1/8" Gap, 9/16" Thread
The 239 Mounting Bolt has1/8" gap between the head and the washer, the threads are 9/16" long.
The head is the same size and shape as a standard #10 pan head screw, the narrow shaft between head and the washer allows for locking. The threads are the same size as a common #10 - 9/16" Pan Head Screw, and are designed to be pre-drilled with a 1/8" Drill.
Star Hanger is transitioning into making these screws in-house, there may be some small variation as we prefect the screws.
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