8-18 x 1 Unslotted Indented Hex Washer Serrated Self Tap Screw Type AB Full Thrd Zinc 1/2-13 NE They have a slotted drive

They have a slotted drive and a round head

This 5/8-11 x 14 inch carriage bolt is partially threaded with 6 inches of thread and an undersized body

This 1/4-20 x 1/2 Phillips Flat 100º Machine Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

preventing damage to the fastener or material being fastened

The 12-14 x 5/8 Unslotted Indented Hex Washer Full Thread Self Drilling Screw Black Oxide is a versatile and durable fastener designed for a wide range of applications

8-18 x 1 Unslotted Indented Hex Washer Serrated Self Tap Screw Type AB Full Thrd Zinc 1/2-13 NE They have a slotted driveThese 8 18 x 1 Unslotted Indented Hex Washer Serrated Self Tap Screw Type AB Full Thrd Zinc are designed for use in a variety of applications. They are made of durable zinc plated steel and feature a serrated point that helps to prevent stripping. The hex washer head provides a secure grip for driving, and the full thread design ensures a strong hold. These screws are ideal for use in metal, plastic, and wood.