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

5/16"-18 Black Phosphate Grade 2 Lock Nuts (509 pcs.)

SKU: 06671
Regular price $4018
Shipping calculated at checkout.

Diameter: 5/16"
Diameter 2: 9/16"
Thickness: 17/64"
Material: Steel
Finish: Black Phosphate
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
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.