General description Timco 4.0 x 35mm Classic Stainless Steel Countersunk Wood Screws are designed for superior performance in various applications. Manufactured from A2 Stainless Steel, these screws offer excellent corrosion resistance, making them ideal for use in softwoods, hardwoods (when pre-drilled), chipboard, MDF, and plastic. They are particularly suitable for corrosive environments or when working with materials that have inherent corrosive characteristics, such as Green Oak. Technical specifications Size: 4.0 x 35 mm Imperial size: 8 x 1 3/8 inches 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) Salt Spray Resistance: Tested to BS EN 9227 - 1008 hours Substrates: Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal, Corrosive