Description
Double countersunk reduces the likelihood of head shear and assists completion of countersinking
Wax lubricated to enhance screw insertion time, extra driving torque and resistance to corrosion
40 degree deep single thread to provide a secure fixing with high pull-out resistance
25 degree sharp point and single lead for a fast start and improved thread acceptance
All sizes up to and including 75 mm are fully threaded and lengths 80 mm and above all have 70 mm thread length
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