M3 x 0.5mm Stainless Steel Self-Locking Nylon Insert Hex Lock Nuts 50pcs

Key Features

• Thread Dia M3 ; Thread Pitch0.5mm
• Hex Size 5.5mm/ 0.21" Height 4mm/ 0.16"
• Made of 304 stainless steel, rust resistance and durable to use.
• With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque.
• Can be widely used in door, construction machinery, shipbuilding and etc.

Product Description

Hex head, female threaded inside, stainless steel material, anti-loose hex nut. used with a machine or cap screw for mechanically joining materials together. used widely for matching screws or bolts.

Specifications