6 x 1 5/8 Phillips Recess Bugle Head Coarse Thread Drywall Screw Particle Board Zinc M7-1.0 The washer has a 5/8"

The washer has a 5/8" inner diameter and a 1" outer diameter

They have a sharp point that penetrates drywall easily

These 8 x 1 1/2 Phillips Bugle Head Coarse Thread Sharp Point Deck Screws are designed for exterior applications

This 5/16-24 Flex Type Hex Lock Nut is made of 18-8 stainless steel

6 x 1 5/8 Phillips Recess Bugle Head Coarse Thread Drywall Screw Particle Board Zinc M7-1.0 The washer has a 5/8"These 6 x 1 5 8 inch Phillips recess bugle head coarse thread drywall screws are made of zinc plated steel for corrosion resistance. They have a sharp point for easy penetration and a bugle head that countersinks flush with the surface. The coarse thread provides strong holding power in drywall and particle board. These screws are ideal for a variety of applications, including hanging drywall, installing fixtures, and assembling furniture.