Classic Double Countersunk Multi-Purpose Screws 4mm x 50mm (200pcs)

These Classic Double Countersunk Multi-Purpose Screws 4mm x 50mm 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 countersinkingAll sizes up to and including 75mm are fully threaded and lengths 80mm and above all have a 70mm thread lengthPatented lubrication - designed to enhance screw insertion time and provides greater resistance to corrosionSingle 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 resistanceSurface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductilityDetails:Corrosion Rating (1-5)2 - Occasionally damp/wet, rural and sheltered areasDriver Bit SizePZ2FinishZinc & YellowHead TypeDouble CountersunkInner Thread Ø d12.5mmLength50mmLubricationGleitmoMaterialCarbon SteelPack Quantity200Point Type25 Sharp with Single SlashRecess TypePoziSize4mm x 50mmSubstratesHardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet MaterialThread CoverageFully ThreadedThread Length45mmThread Ø4mmThread TypeSingle Course 40