10-9 x 1 Square Phil Drive Pan Deep Thread Wood Screw Full Thread Type 17 Black Oxide Oil APO6B They are made of black

They are made of black phosphate particle board

which helps to prevent the screw from pulling through the material

8-18 x 3/4 #6HD Six Lobe Pan High Low Screw Fully Threaded Zinc and Bake

With a length of 5/8 inches and a diameter of 12

and a pan head with a Phillips drive

10-9 x 1 Square Phil Drive Pan Deep Thread Wood Screw Full Thread Type 17 Black Oxide Oil APO6B They are made of black10 9 x 1 Square Phil Drive Pan Deep Thread Wood Screw Full Thread Type 17 Black Oxide Oil: 10 9 x 1 inch pan head wood screw Square Phillips drive for secure and easy installation Deep thread for enhanced holding power in wood Full thread design provides maximum grip throughout the screw's length Type 17 point for clean and precise penetration Black oxide oil finish for corrosion resistance and durability Ideal for a wide range of woodworking