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55mm Collated Drywall Screws BLACK
DSC55
Timco
Screws manufactured to JIS B1125 (1995) & independently tested to IFI specification ASTM C1002-89.
25ø "Super Sharp" (SS) point for ease of penetration.
Coarse thread
Surface hardened up to 750 HV to prevent torque shearing under load & a core hardness of up to 450 HV for improved ductility.
Made from C10-18 Steel.
Cosmetically plated in black phosphate.
Designed to pierce & drill into 0.9 mm of metal channel. For larger gauge channel self-drilling drywall screws are recommended.
