GRK Fasteners RSS5166B Structural Screw, 5/16 x 6 Brand_Master Electrician Cups 1 – 5 0 Deck\/Wood Screws 227576 American Standard Size:18 lb

GRK Fasteners RSS5166B Structural Screw, 5 16 x 6 Brand_Master Electrician Cups 1 – 5 0 Deck\ Wood Screws 227576 American Standard Size:18 lb Cups 1 – 5 0 – 2 1 2 – 3 4 3 8 – 5 8 1 3 – 1 2 1 4 – 3 8 3 16 – 1 3 5 – 10 2 – 5 3 4 – 1 1 4 5 8 – 1 1 2 – 7 8 3 8 – 2 3 1 3 – 1 2 10 – 15 5 – 7 1 1 4 – 1 2 3 1 – 1 1 3 7 8 – 1 1 8 2 3 – 7 8 1 2 – 2 3 15 – 20 7 – 9 1 1 3 – 1 5 8 1 1 8 – 1 3 8 7 8 – 1 2 3 – 3 4 20 – 30 9 14 1 5 8 – 2 1 8 1 3 8 – 1 7 8 1 – 1 1 3 3 4 – 1 30 – 40 14 18 2 1 8 – 2 1 2 1 7 8 – 2 1 4 1 1 3 – 1 2 3 1 – 1 1 4 40 – 50 18 – 23 2 1 4 – 2 5 8 1 2 3 – 1 7 8 1 1 4 – 1 1 2 50 – 60 23 – 27 2 5 8 – 3 1 7 8 – 2 1 8 1 1 2 – 1 2 3 60 – 70 27 – 32 3 – 3 1 4 2 1 8 – 2 1 3 1 2 3 – 1 7 8 70 – 80 32 – 36 3 1 4 – 3 5 8 2 1 3 – 2 1 2 1 7 8 – 2 80 – 100 36 – 45 3 5 8 – 4 1 8 2 1 2 – 3 2 – 2 1 3 Divide the amount shown into 2 feedings daily It has a polyester fabric surface treatment for durability