TECO 3/8-16 X 11/16 COUPLING NUTTECO 3/8-16 X 11/16 COUPLING NUT 41503, 11/16" HEX, 1" LENGTH, BLACK OXIDE FINISH, CASE HARDENED Coupling (Extension) Nut, 3/8"-16 thread, 11/16" hex, 1" 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.
100% Satisfaction Guarantee: At Mansion Tools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.