Note: A screw pin shackle is a U-shaped rigging connector with a threaded pin that screws into one ear, providing a quick, temporary connection for lifting, towing, or securing loads, ideal for frequent assembly/disassembly but requiring the pin to be hand-tightened (or secured with a wrench) before each use due to vibration, often used in construction, marine, and agricultural tasks for its versatility and ease of use in non-permanent setups. For Tower Down Guy Wire attachment, The Tower Manufacturers Recommend that these be Used Solely for Temporary Erection and Take-down. Existing Tower Sites should be upgraded to and New Permanent Installations should be using the Bolt-Type with Cotter Pin Anchor Shackles.
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