countersink screw meaning in English

沈头螺钉

90 countersunk screws
90沉头螺钉
The enterprise of gustoc titanbau gmbh offers you lock washers , wearing parts and hexagon nuts as well as the further countersunk screws and cylindrical screws
Gustoc titanbau gmbh是一家诚信的、高效能的生产商和服务商，该公司提供新型的、专门的产品，例如弹簧垫圈,垫圈,埋头螺钉。
The main products include high - strength fasteners of 8 . 8 and 12 . 9 grade and stainless steel fasteners , like hex socket , set screw , hex socket countersunk screw , half - round head hex socket screw , torx head hilt , umbrella - type hilt , bsp line plug throat taps , straight pin , taper sleeve screw , connecting screw , spanner , flying ring , double end screw , hex nut , washer and so on
本公司主要经营8 . 8 、 12 . 9级高强度螺丝及不锈钢紧固件，内六角、平杯、圆杯、机米、梅花头刀把、伞形刀把、 bsp喉塞、塞打、圆柱销、锥套螺丝、连接件专用螺丝、扳手、吊环、双头牙、外六角?螺母?垫圈等。