1/4-20 x 5/8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc MIMTPA2 and the split lock washer

and the split lock washer helps to prevent the screw from loosening

this screw offers superior corrosion resistance and longevity

These 6-20 x 1/4" Slotted Indented Hex Self Tapping Screw Type B Fully Threaded Zinc screws are designed for use in a variety of applications

These 10-16 x 1 Phillips Flat Self Tapping Screw Type B Fully Threaded Black Oxide screws are designed for use in a variety of applications

5/16 x 3 1/2 Hex Lag Screw Zinc Gimlet Point is a versatile fastener designed for heavy-duty applications

1/4-20 x 5/8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc MIMTPA2 and the split lock washer1 4 20 x 5 8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc is a fastener with a 1 4 inch diameter, 20 threads per inch, and a length of 5 8 inch. It has a slotted drive, an indented hex washer head, and is fully threaded. The screw is made of steel and has a zinc coating for corrosion resistance. It is designed for use in metal applications where a strong, secure hold is required.