Each box contains 510 screws

1/4-28 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

5/8-11 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

5/16-18 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (1000)

#10 x 4 Simpson Deck-Drive™ DSV WOOD Quik Guard® Coating Screw (T25 6-Lobe) Tan - Box (350) M20-2.50 Socket Cap Screws 12.9 DIN 912 Zinc Plated Each box contains 510 screwsDesigned for the professional builder, this contractor pack of 350 Simpson Deck Drive DSV WOOD screws offers exceptional performance and value. Each #10 x 4" screw is made from case hardened steel and features a tan Quik Guard coating for superior corrosion resistance that blends with most treated lumber. The T25 6 Lobe drive and self tapping Type 17 point work together to ensure fast, easy installation with less cam out, increasing job site