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Black Coarse Drywall Screws

Black Coarse Drywall Screws

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Coarse Thread Drywall Screws (Black)

  • Screw Features
  • Screws manufactured to JIS B1125 (1995) and 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 and a core hardness of up to 450 HV for improved ductility.
  • Made from C10-18 steel.
  • Cosmetically plated in black phosphate.
  • Full batch-traceability to the original steel mill certificate.
  • Designed to pierce and drill into 0.9 mm of metal channel

Price Box 1000