Jergens, Inc. T-Slot Nuts 43381

Jergens T-Slot Nuts provides a safety-stop feature to prevent turning studs into tableways. Features, Benefits, & Product Specifications: Material: Available in C-1018 Low Carbon Steel and 303 Stainless Steel Finish: Black Oxide (for Low Carbon Steel T-Slot Nuts) Threads: 2B-UNC (Inch); Class 6h (Metric) Heat Treat: Case Hardened (for Low Carbon Steel T-Slot Nuts) Note(s): Part No.'s 43302, 43303, 43305, 43308, 43311, & 43313 are not hardened.