10-16 x 3 Unslot HWH w/Bond NEO EPDM 18-8 Washer Self Drill Scr Full Thrd 410 Stainless 1/4-28 NE The screw has a 6-lobe

The screw has a 6-lobe flat head

The 4-40 x 3/16 Phillips Oval Undercut Machine Screw is a fully threaded screw made of 18-8 stainless steel

It has a 1/2-inch diameter

This 1/4 x 4-1/2 hex lag screw with a zinc gimlet point is designed for heavy-duty fastening applications in wood

10-16 x 3 Unslot HWH w/Bond NEO EPDM 18-8 Washer Self Drill Scr Full Thrd 410 Stainless 1/4-28 NE The screw has a 6-lobe10 16 x 3 Unslot HWH w Bond NEO EPDM 18 8 Washer Self Drill Scr Full Thrd 410 Stainless is a type of screw that is designed for use in high wind and high hazard areas. It is made of 410 stainless steel, which is a strong and corrosion resistant material. The screw has a self drilling tip, which makes it easy to install. It also has a bonded neoprene washer, which helps to seal out water and air. The screw is full threaded, which provides a strong hold.