This box of 1000 3.5 x 25mm Black Phosphate Drywall screws are manufactured for the fixing of plasterboard to drylining studs but have a wide range of other suitable applications both professional and for DIY use.
60-degree twin thread, surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility.
Designed to pierce and drill into 0.9 mm of metal channel. For larger gauge, channel self-drilling drywall screws are recommended.
For fastening drylining and plasterboard to studwork
Hardened screws with sharp point for fast installation
Black phosphate finish for durability
Made from C10-18 Steel
25 degree "Super Sharp" (SS) point for ease of penetration
Manufactured to JIS B1125 (1995)
Independently tested to IFI specification ASTM C1002-89
3.5mm (size 6)