Round Washer Head Self Drilling Screw

Yuyao Foom metal Company is the leading stainless self-drilling screw and high tensile bolt and nut maker in China.

Main products: Sel-drilling screw, self-tapping screw, high tensile bolt, nylon head screw, screw twisting tool(collet, cross block). EPDM bonded washer

Self-drilling screw series as follows:

Material: Carbon steel
Standar: DIN, ANSI, GB, JIS, or tailor-made up to client's drawings.
Head type: Pan head, sunken head, hex washer head, wafer head, round head, truss head rised flat head
Thread type: Coarse thread, fine thread, sanswich-panel thread

Surface: Galvanization(bule, yellow, colorful ect. ), phosphated, paint
Length: 9.5mm-280mm
Dia.: 2.9mm-6.5mm
The washer type: EPDM bonded washer, rubber washer
Package: Carton(25kgs)