Timco - Twin-Thread Woodscrews - PZ - Double Countersunk - Zinc (Size 8 x 1 1/4 - 25 Pieces)

A traditional twin-thread woodscrew with single lead start for a fast installation. Mainly used in soft timber applications or masonry with a plastic plug. NOTE: Partially threaded.

• Double countersunk head reduces the likelihood of head shear and assists completion of countersinking
• Partially threaded from 1 1/4” and above
• Made from C10-18 steel to ensure consistent quality
• 60° twin-threads with parallel shank for faster insertion and greater pull-out resistance
• Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility
• 25° sharp point and single lead for a fast start and improved thread acceptance"
  • Thread Dia. mm - 4.0
  • Length mm - 30
  • Thread Length mm - 19.8
  • Head Type - Double Countersunk
  • Recess Type - Pozi
  • Point Type - 25° Sharp
  • Driver Bit Size - PZ2
  • Finish - Zinc
  • Material - Carbon Steel