TIMCO CLASSIC MULTI PURP ST/ST SCREWS 3.5 x 20 35020CLASS (200)

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. 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 TECHNICAL DATA: Thread Dia. mm: 3.5 Length mm: 20 Thread Length mm: 15 Size mm: 3.5 x 20 Pack Quantity Unit: Pieces Recess Type: Pozi Head Dia. mm: 6.68 Substrates: Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal, Corrosive Wood (e.g. Oak, Cedar) Gauge: 6 Salt Spray Resistance BS EN 9227 Hrs: 1,008 + Corrosion Rating: 4 - Urban; industrial areas with a moderate salt atmosphere Driver Bit Size: PZ2 Thread Type: Single Coarse 40° Point Type: 25° Sharp Size imp.: 6 x 3/4