All the features and superior performance of the Classic Multi-Purpose Screw manufactured from A2 Stainless Steel. Ideal where ultimate corrosion resistance is required when fixing to softwoods, hardwood (pre-drilled), chipboard, MDF and plastic. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e.g. Green Oak. NOTE: Sharp point only.
Features
Double countersunk reduces the likelihood of head shear and assists completion of countersinking
40° deep single thread to provide a secure fixing with high pull-out resistance
All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length
Specification
Size (mm) - 4.0 x 20
Size (imp.) - 8 x 3/4
Driver Bit Size - PZ2
Pack Type - Box
Pack Qty - 200
Recess Type - Pozi
Head Type - Double Countersunk
Thread Type Single Coarse 40°
Point Type 25° Sharp
Material Austenitic Stainless Steel (A2-304)
Corrosion Rating (1-5) 4 - Urban & industrial areas with a moderate salt atmosphere
Substrates - Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal, Corrosive Wood (e.g. Oak, Cedar)
Salt Spray Resistance (Hrs) Tested to BS EN 9227 - 1008
