5/16 -18 Coarse Thread Hex Flange Nut (Large) with Serration Case Hardened Low Carbon Steel Zinc Plated Pk 100

PRODUCT SPECIFICATIONS Part #: 0000-111837 Fastener Type: Hex Flange Nut (Large) with Serration Case Hardened Size Description: 5/16 -18 Diameter/Nominal Size: 5/16 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right System of Measurement: Inch Grade: 2 Material: Low Carbon Steel Finish: Zinc Plated Drive Type: External Hex Used with: Bolts/Screws up to Grade 5 Average Piece Weight: 0.0198400 lbs. Lock nuts resist loosening of the screw under vibration or force to prevent loosening from a bolted joint. Types of lock nuts are prevailing torque nuts (Stover) elastic stop nuts (Nyloc) serrated flange (whiz lock) 2-way (reversible) star lock (KEPS) and many others.