Place of origin: tianjin, china (mainland) Brand name: huhao Model number: 3.5*35mm standard: din standard: din material: c1022 head: double csk head finish: galvanized thread: full fine thread diameter: 3.5mm length: 35mm drive: pozi drive treatment: heat treatment feature: hot seller Specifications 1.Galvanized chipboard screw 2.Head: double csk head 3.Thread: full fine thread 4.Hot sides:3.5*35mm Material: c1022 Head: double csk head Drive: pozi drive Thread: full/half thread Point: sharp point Finish: yellow zinc galvanized Harden: high harden Supply ability: 300 metric ton/metric tons per month Packing: small color box , brown box or bulk and required