8-11 x 1 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type17 Zinc KQWAFMS4W They have a 6-lobe pan

They have a 6-lobe pan head with a full thread and a self-drilling tip

and a slotted indented hex washer head for easy driving

8 x 35 DIN 965 Metric Phillips Flat Machine Screw is a type of screw that is used in a variety of applications

The screw is 1 inch long and has a diameter of 6-19 inches

this screw meets Grade 5 specifications for strength and reliability

8-11 x 1 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type17 Zinc KQWAFMS4W They have a 6-lobe panThese 8 11 x 1 1 2 square Phil drive flat wood screws with nibs feature a deep thread design and are Type 17 zinc coated. They are ideal for use in a variety of woodworking applications, including framing, decking, and cabinetry. The square Phil drive head provides a secure grip, while the nibs help to prevent the screws from splitting the wood. The deep thread design ensures a strong hold, and the Type 17 zinc coating provides corrosion resistance.