About this product

1、High Strength: Roofing screws are designed to fix thin gauge metal plates under 2.4 mm to wooden structures. Composed of high strength carbon steel zinc plated to provide strong toughness. An additional magnetic absorbing driver bit available. 2、Multi Use: The self drilling point can reduce metal shaving. Galvanized ASD coarse thread with moderate rustproof ability is applied to wood. Mainly used for most iron panel, steel plate, aluminum panel, wood, plastic sheet, composite board, etc. 3、EPDM Rubber Washer: The 1/2 inch (13.8 mm) EPDM rubber washers expand under pressure to form a weather tight seal. And the suitable diameter tightly covers screw hole. 4、White Hex Head: The process of baking varnish provides superior rustproof ability and exterior protect for 5/16 inch hex head with high torsion drive when installed. Signal white matches popular roofing colors. 5、Note: Since the coarse thread and small head of screw, it is not suitable for thick metal plate exceeding 2.4mm and the connection between the metal plates. Pay attention to holding angle to prevent sliding when use. Package includes 300pcs roofing screws, 1 hex driver bit.

Specification

Item Type: Roofing Screws

Material: Carbon Steel Zinc Plated

Weight: Approx. 1050.00g / 37.04oz

White Hex Head Width: 7.94mm / 5/16in

Screw Width: 4.8mm / 0.19inch

Package List