Black 304 stainless steel flat washers have high hardness, are not easy to deform, have strong acid resistance, are not easy to rust in humid environments, and have strong oxidation resistance. Excellent workmanship, smooth surface, no burrs, not easy to slip. Built to last.

Flat washers are highly compatible with screws, nuts and bolts of the same size, preventing nuts from loosening, reducing vibration and protecting parts. The smooth surface of the gasket reduces friction between fasteners, preventing separation, preventing loosening and spreading stress.

304 stainless steel flat washers can be widely used in electronic instruments, mold manufacturing, precision machinery, hardware parts, mechanical parts, stamping parts, power equipment, furniture, household appliances, outdoor engineering, home DIY, automobiles, small engines, outdoor equipment, etc.

Specification:
Material: 304 stainless steel
Surface Treatment: galvanized
Color: Black
Inner diameter of washer: 5.3mm/0.21" (for M5 screws)
Washer OD Size: 12mm / 0.47"
Washer Thickness: 0.8mm / 0.03"

Package includes: 40 pieces M5x12mm stainless steel flat washers.

Note: The product is small in size, please keep it properly to avoid children playing, causing accidental swallowing or other dangers!