Cross-grooved countersunk head screws are of the class of screws that have flat heads, countersunk heads, or semi-submerged heads.
Countersunk head screws may also be called flat head screws, countersunk head screws, half sunk head screws, half sunk head screws.
This product is cold upsetting molding of carbon steel wire, surface treatment is trivalent blue zinc, non-standard thread.
Dongguan Tiansheng Co., LTD., specializing in the development and production of non-standard fasteners for 12 years.
Welcome to customize your drawings/samples.
