Head typе:
01. umbrella head
02. colored head
Shank type:
01. plain shank
02. spiral shank
03. angular spiral shank
04. ring thread shank
05. twisted screw shank
Point tyре:
01. diamond point
03. sharp point
Surface treatment:
Bright polished, Zinc, Yellow Zinc, Hot-dipped galvanized, Mechanical Galvanized, Black coated, Blue coated.