PPV-560 Concrete Screws, 50 screws per pack, large quantity of 30 packs. - Model Name: PPV-560 - Quantity: 50 screws per pack - Number of packs: 30 packs - Weight: 10.6 kg Specifications Quantity: 50 screws Nominal screw size: 5mm Threaded portion length: 40mm Head diameter: Nut across flats: 9mm Head shape: Pan head Material: Steel Silver Bic treatment Product Description No need for a plug, so the drilling diameter can be small. The high and low thread design firmly secures to the base material. A shipping label will be affixed to this box for shipping. Thank you for viewing.