DIN912 manufacturer spot grade 12.9 high strength cylindrical head hexagon bolt cup head inside six Angle screw Standard DIN912 Material 40Cr (alloy ....
Iron Plated Black Zinc Round Head With Washer Triple Set Screw ,Pan Head Cross Slot Flat Spring Washer Combination Screw Iron-plated black zinc round ...
Wholesale galvanized and hard GB845-85 cross pan head self-tapping screw high force screw material 1022(carbon steel) Use: Standard Surface treatment: ...
Nickel plated cross round head with cushion screws The thread is complete, the tooth spacing is uniform, the grain is clear, the force is uniform, and ...
Iron Plated Black Zinc Round Head With Washer Triple Set Screw Pan Head Cross Slot Flat Spring Washer Combination Screw Iron-plated black zinc round ....