Blue Points 1/4in. x 21/4in. x 1in. Eye Lag CoarseThread SelfDrilling BlueRuspert Screws for Steel (100 Pack) include a welded eye for secure wire or cable attachment, making them ideal for suspension systems in ceiling and mechanical installs. The coarse thread (14 threads per inch) gives reliable pullout strength once anchored, while the self-drilling design reduces installation time by eliminating pre-drilling. Backed by structural-quality design per Blue Point specifications, these screws are a dependable choice for contractors demanding performance in both strength and longevity.