5/16-18 x 3 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc 1-14 NE 4-24 x 1 1/4 Phillips

4-24 x 1 1/4 Phillips Pan Self Tapping Screw Type B Fully Threaded 18-8 Stainless Steel

3/8 inch length (measured from the underside of the head to the tip)

The high collar provides additional support and prevents the washer from embedding into the surface

this screw delivers reliable performance in both indoor and outdoor projects

The full thread design provides maximum grip strength

5/16-18 x 3 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc 1-14 NE 4-24 x 1 1/4 Phillips5 16 18 x 3 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc: Diameter: 5 16 inches Thread pitch: 18 threads per inch Length: 3 inches Drive type: Slotted indented hex washer Thread type: Thread cutting Point type: Type F Fully threaded Material: Steel Finish: Zinc plated