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it features a fully threaded shank for maximum holding power
These 5/16-18 Serrated Flange Hex Lock Nuts are made of Grade 5 steel and have a zinc finish
Grade 5 Fully Threaded Zinc Plated
This 1/2-13 x 3 ASTM A193 ASME B16
and is fully threaded for maximum strength
5/8-11 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide 5/16-18 057-09 it features a fully threadedThese 5 8 11 Serrated Flange Hex Lock Nuts are made of HR15N case hardened steel and have a black oxide finish. They are designed to provide a secure and vibration resistant connection in a variety of applications. The serrated flange helps to prevent the nut from loosening, even under extreme vibration or shock loads. These nuts are also heat treated to provide increased strength and durability. They meet the requirements of ASTM A563 Grade C and are
