1. Name: Nail In Anchor 2. Head type: Cylinder head 3. Nail screw: Zinc plated. 4. Raw material: Nylon 5. ... . Nylon Nail In Anchor,with Cylinder Head,Pre-assembled.The article consists of a nylon plug with Cylinder head and a pozidriv nail-screw,blue ... zinc plated.It's suitable for fixings on concrete,bricks and other high ...