9 x 3 Hex Washer Head Pole Gripper Screw w/ Bonded Washer Strong-Shield™

9 x 3 Hex Washer Head Pole Gripper Screw w/ Bonded Washer Strong-Shield™ . Unslotted Indented Hi-Hex Washer Head attaches metal to wood. Used in roofing and siding applications Exceeds 1,000/hr. salt spray resistance Rust/acid rain protection High degree of corrosion resistance Bonded washer creates leak proof seal ACQ compatible