M10x1.5mm Hex Lock Nuts Carbon Steel Nylon Insert Self-Lock Nuts, 20Pcs Black Combination Drill Tap Bits and "-" to the "-"

and "-" to the "-" of the strip lights

and other heavy construction projects such as bridge building

Positive and negative power supply of encoder do not allow connect wrong

2pcs x Door Magnetic Catch

M10x1.5mm Hex Lock Nuts Carbon Steel Nylon Insert Self-Lock Nuts, 20Pcs Black Combination Drill Tap Bits and "-" to the "-"Descriptions: Made of carbon steel, zinc plating finish, 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. Product