Stainless 3/8-16 X 2 Hex Head Bolts (3/4 To 5" Length in Listing), 304 Stainless Steel, 25 pieces (3/8-16 X 2) 304 Series Stainless Steel, (18-8) 25 Pieces 3/8-16 USS Coarse Thread Great corrosion resistance for outside applications