8-18 x 5/8 Phillips Pan Full Thread Self Drilling Screw 410 Stainless Steel 2-56 NTM They have a coarse thread

They have a coarse thread pattern and a standard pattern hex shape

The flat head design sits flush with the surface for a clean and professional finish

this carriage bolt is a versatile and reliable choice for any job

It is also heat treated for increased strength and durability

This 5/16-18 x 2 1/2" Square Head Machine Bolt Plain is a high-quality fastener designed for use in a variety of applications

8-18 x 5/8 Phillips Pan Full Thread Self Drilling Screw 410 Stainless Steel 2-56 NTM They have a coarse threadThese 8 18 x 5 8 Phillips pan full thread self drilling screws are made of 410 stainless steel, making them strong and corrosion resistant. They feature a Phillips pan head for easy driving, and their full thread design provides maximum holding power. The self drilling tip eliminates the need for pre drilling, making installation quick and easy. These screws are ideal for a variety of applications, including metal to metal, metal to wood, and plastic