General description Timco 4.5 x 25mm Classic Stainless Steel Countersunk Wood Screws are designed for superior performance and ultimate corrosion resistance. Manufactured from A2 Stainless Steel, these screws are ideal for use in softwoods, hardwoods (when pre-drilled), chipboard, MDF, and plastic. They are particularly suitable for corrosive environments or materials with inherent corrosive characteristics, such as Green Oak. Technical specifications Size: 4.5 x 25 mm Size (imperial): 9 x 1 inch Driver Bit Size: PZ2 Pack Type: Box Pack Quantity: 200 Recess Type: Pozi Head Type: Double Countersunk Thread Type: Single Coarse Point Type: 25° Sharp Material: Austenitic Stainless Steel (A2-304) Corrosion Rating: 4 (suitable for 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: Tested to BS EN 9227 - 1008 hours Other information Sharp point only Double