TECO 5/8-11 X 1-1/16 COUPLING NUTTECO 5/8-11 X 1-1/16 COUPLING NUT 41506, 1-1/16" HEX, 1-5/8" LENGTH, BLACK OXIDE FINISH, CASE HARDENED Coupling (Extension) Nut, 5/8"-11 thread, 1-1/16" hex, 1-5/8" in length, Material is Low Carbon Steel, Black Oxide Finish, Case Hardened. Coupling Nuts can be used to join two or more studs for a desired length and the case hardened type are excellent for machine clamping applications.
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