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  • 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

Check our 5 STAR RATINGS

Great customer service from the Greenford branch on two separate occasions this month. Courteous and polite and no quibbles. Well done.

ColinGreat customer service

Excellent service, very competitive prices for top quality supplies !!
Online ordering so easy !!

KelvinExcellent service

Always a good purchasing experience and excellent customer service.

AdamAlways a good purchasing experience and…

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