bugle head drywall screws,gypsum board screws,fastners,chip board screws
Sinoceiling Building Material Co.,Ltd.
Material: carbon steel C1018 and C1022 hardened Type: Self tapping screws(sharp point), Self drilling screws(tek point); Finished surface: Black phosphate, Zinc plated, Grey Head type: Bugle head, Pan head, CSK head, Wafer head, Hexagonal washed head Note: for more size details, pls visit our website www.sinoceiling.com.cn or sinoceiling.com