Classic Double Countersunk Multi-Purpose Screws 4mm x 70mm (200pcs)

These Classic Double Countersunk Multi-Purpose Screws 4mm x 70mm come in a box of 200 and consistently perform efficiently across a range of common materials.

Features:Double countersunk reduces likelihood of head shear and assists completion of countersinking All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have a 70mm thread length Patented lubrication - designed to enhance screw insertion time and provides greater resistance to corrosion Single slash on 25mm+ to reduce torque and the likelihood of the timber splitting when the screw is inserted very close to the edge40 deep single thread to provide a secure fixing with high 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 Details:Corrosion Rating (1-5)2 - Occasionally damp/wet, rural and sheltered areas Driver Bit SizePZ2 Finish Zinc & Yellow Head Type Double Countersunk Inner Thread Ø d12.5mmLength70mmLubrication Gleitmo Material Carbon Steel Pack Quantity200 Point Type25 Sharp with Single Slash Recess Type Pozi Size4mm x 70mmSubstrates Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Material Thread Coverage Fully Threaded Thread Length65mmThread Ø4mmThread Type Single Course 40