Lot of (350) indented hex washer head pole barn screws with bonded EPDM neoprene washer.

These 1000 hr salt spray coated fasteners are #9 diameter thread and are 1-1/2" in length with a 1/4" hex and have a 7/16" diameter rubber/steel bonded washer.

This screw has a twinfast style thread and type 17 point designed for attaching metal roofing and siding to ACQ treated lumber and works well in harsh conditions.

The type 17 tip is a thread cutting screw for wood with an auger style point that helps clear chips and reduce splitting.

4-1-5-L