5/8 -18 Fine Thread Grade C Nyloc (Nylon Insert Locknut) NE Standard Medium Carbon Steel Black Phosphate Pk 25

PRODUCT SPECIFICATIONS Part #: 0000-118846 Fastener Type: Nyloc (Nylon Insert Locknut) NE Standard Size Description: 5/8 -18 Diameter/Nominal Size: 5/8 Thread Pitch: 18 Thread Pitch Type: Fine Thread Direction: Right System of Measurement: Inch Grade: C (8) Material: Medium Carbon Steel Finish: Black Phosphate Drive Type: External Hex Used with: Bolts/Screws Grade 8 Alloy Socket Screws 12-Point Flange Screws Average Piece Weight: 0.0830200 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.