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5/16"-18 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts

SKU: 06671
5/16"-18 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts

5/16"-18 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts

SKU: 06671
Box Size: 509 pcs.
Regular price $4018
Shipping calculated at checkout.

Nominal Size: 5/16"
Thread: 18 TPI (Coarse)
Width Across Flats: 1/2"
Height: 17/64"
Across-Corners Size: 9/16"
Material: Steel
Finish: Black Phosphate
Hardness: Grade 2
Style: Top Lock|Type C
Type: Lock Nut

Box of 509.

A lock nut is a nut that resists loosening under vibrations and torque.