DEEP NUT

These are made oversized in their height. They can be any length above standard, some being more than one inch tall, depending on the problem. When requesting this sort of nut, you need to provide accurate dimensions 'across flats', height, etc. NARROW NUT. These nuts have been made using a smaller sized hex bar, so the 'across flats' dimension is smaller than the standard. Obviously degigned to be used in tight spots. In this example, the 'deep nut' is also a 'narrow nut'.