1-8 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (40)

1/4-20 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

They are actually stronger than most metal and chemical anchors

7/16-14 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (300)

available in a convenient 1 lb

1/4-28 x 4 Hex Washer Head TEKS® Self Drilling Screw (T5) Climaseal® (500) M8-1.25 Socket Cap Screws 12.9 DIN 912 Zinc Plated 1-8 x 2 3/4 GradeThis pack of 500 self drilling screws are Climaseal coated and designed with a 1 4 28 inch hex washer head with a T5 thread pattern. They are perfect for constructions and specializes fastening applications.