Allied Bolt - PART# 1769

• Hex nut with an enlarged circular base flaring out from the bottom of nut.
• The bearing surface of the flange has serrations which displace material on the mating surface when the nut is wrenched into place, forming a connection which resists loosening.
• Case hardened so surface has a minimum Rockwell Hardness of C40.
• Zinc plated to meet ASTM Specification F1941.
• Nuts conform to the dimensions of ASME B18.16.4.

Standard Packaging Information