TIMco Twin-Threaded Woodscrew 8 x 1"

TIMco Twin-Threaded Woodscrew 8 x 1" Box Of 200

Metric Equivalent: 4.0 x 25

For general applications into softwoods and various types of hardwood.

• Designed and manufactured to BS 1210 Standards - major diameter and threads excepted.
• 25° sharp point and single leading thread for a fast start and improved thread acceptance.
• 60° Twin-threads with parallel shank for faster insertion and greater pull out resistance.
• Large core diameter for extra strength.
• Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility.
• Plated in zinc 3-5 microns.
• Made from C10-18 Steel to ensure consistent quality.
• Double countersunk reduces the likelihood of head shear and assists completion of countersinking.
• Full batch-traceability to the original steel mill certificate.