Product Specifications:
Material: 304 Stainless Steel
Color: Silver Tone
Thread Size: M4
Thread Pitch: 0.7 mm / 0.028 inch
Width: 7 mm / 0.28 inch
Height: 5 mm / 0.2 inch

Descriptions:
Made of 304 Stainless Steel, high hardness and corrosion resistance. Using nylon inserts, these lock nuts greatly reduce loosening under vibration and torque.
Used in conjunction with bolts, washers, or screws as fasteners when mechanically joining materials together.
Can be widely used in the machinery industry, instruments, electronic products, garage, home appliances, furniture, ship assembly, etc.
These lock nuts areideal replacement for normal nuts of hardware, vehicles, home or outside applications.

Attention:
This Nut is small part, please do not let children play, to prevent inadvertent swallowed.