30 Pieces Carbon Steel Hexagonal Lock Nuts M4-m20 Flange Face Anti-Skid Six

Flange nut the set includes most common standard sizes can easily replace a lost nut, Inserts Nut; Function: the lock nuts ensure a secure hold (reducing slippage) and a lasting hold for any project, hexagon nut, Hex Lock Nuts; Six angle nut smooth surface, deep screw teeth, uniform force, solid connection, rotation them without slipping, Hexagon Nuts; Hexagonal thick nuts use these nuts for general purpose fastening applications, Carbon Steel Nut; Thread nut--made of material, fine workmanship, durable and practical, Lock Nut

What's in the box
30 x Fasteners