Head type: PHILLIPS, POZI, QUARE,TORXSingle cone (SINGLE) Double cone (DOUBLE)Ribs under the head: 4

The Carbon Steel Drywall Screw feature in appearance is the shape of the horn head. It is divided in

The self drilling screw is in the shape of a drill tail or a pointed tail, without auxiliary process

The self drilling screw is in the shape of a drill tail or a pointed tail, without auxiliary process

The Carbon Steel Drywall Screw feature in appearance is the shape of the horn head. It is divided in

The self drilling screw is in the shape of a drill tail or a pointed tail, without auxiliary process

Phillips pan headPan heads are slightly rounded with short vertical sides. Phillips drive is x-shape

Star drive pan head type F (trailer screws)Type F screws have a thread cutting tip. Pan heads are sl

Phillips pan head w/ external tooth washerPan heads are slightly rounded with short vertical sides.

Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installatio