1/2-13 Coarse Thread Grade G Stover All Metal Flange Locknut Medium Carbon Steel Black Phosphate Pk 100

PRODUCT SPECIFICATIONS Part #: 0000-221499 Fastener Type: Stover All Metal Flange Locknut Size Description: 1/2-13 Diameter/Nominal Size: 1/2 Thread Pitch: 13 Thread Pitch Type: Coarse Thread Direction: Right System of Measurement: Inch Grade: G (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: 0.0539300 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.