› Screws › Thread-Cutting › type f thread cutting screws › hex washer type f thread cutting screws › slotted hex washer type f thread cutting screws › 18 8 stainless slotted hex washer type f thread cutting screws › 5/16-18X3/4 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Thread 18-8 Stain