6-13 x 5/8 #2 Square Drive Flat Head No Nibs Deep Thread Type 17 Full Thread Zinc KPU The un slotted indented hex

The un slotted indented hex washer head provides a secure grip for tightening

while the indented hex washer head offers a wide bearing surface for even distribution of load

These 5/16-18 Serrated Flange Hex Lock Nuts are made of Grade 5 steel and have a zinc finish

which allows it to be tightened with a hex wrench

It is 1/2 inch long and has a fully threaded shank

6-13 x 5/8 #2 Square Drive Flat Head No Nibs Deep Thread Type 17 Full Thread Zinc KPU The un slotted indented hexThese 6 13 x 5 8 #2 Square Drive Flat Head No Nibs Deep Thread Type 17 Full Thread Zinc screws are designed for use in a variety of applications. They are made of zinc plated steel for corrosion resistance and have a deep thread for added strength. The flat head design sits flush with the surface of the material, and the square drive recess accepts a #2 square driver bit. These screws are full thread, meaning that the threads extend the entire length