TIMCO Countersunk Twinthread 10x4 (100)

For general applications into softwoods and various types of hardwood.

• Designed and manufactured to BS 1210 Standards - major diameter and threads excepted.
  
• 25ø sharp point and single leading thread for a fast start and improved thread acceptance.
  
• 60ø 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.