10-16X3 Pole Barn Screw Type17 Hi-Lo w/Bonded NEO EPDM Unslotted Hex Wash Mechanical Galvanized Full Thread (Pack Qty 1,000) BC-1048HW17G

Primary use is to fasten corrugated steel panels to wooden structures Screw: C1018 - 1022 case-hardened steel. Rockwell C 45 Minimum Washer: Steel section- G90 Steel; Elastic section: Style 40 EPDM sheet. Elastic section: Shore A 65-75 (Durometer scale)