Te-Co 41409T Black Oxide 1018 Steel Tapped Through T-Slot Nut, 1/2"-13 TPI, 5/8" Height x 7/8" Width x 9/16" Table Slot (Pack of 5)
Material is case hardened 1018 steel with black oxide finish. 1/2"-13 Thread. 9/16" Table slot. 1-1/8" Base size. Measures 5/8" width by 7/8" height.