We offer drywall screws with sharp points and self-drilling points.
1.Size Range: #10-5/16" ( M 4.8-M8 )
2.Length Range: 1"- 6" ( 25 mm-150mm )
3.Head type : ( with EPDM Bonded Washer in painted )
Ind. Hex Washer Head
4.Thread Type: Type BSD, Type CSD, Type 17
5. Roofing Screw be used in building or construction. To avoid head broken and getting rusty after using for a while, this part should be passed salt spray test and Hydrogen Embrittlement Test strictly.