7-16 x 2 1/4 Square Drive Trim Head Drywall Screw Coarse Thread Type 17 18-8 Stainless Steel 1-8 It has a coarse thread

It has a coarse thread and a square neck under the head

This screw is ideal for securing beams

The 1/4-28 x 7 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for demanding applications

while its 1/4-inch inner diameter and

professional look

7-16 x 2 1/4 Square Drive Trim Head Drywall Screw Coarse Thread Type 17 18-8 Stainless Steel 1-8 It has a coarse threadThese 7 16 x 2 1 4 inch square drive trim head drywall screws are made of 18 8 stainless steel and have a coarse thread. They are designed for use in drywall applications and feature a square drive head for easy installation. The 18 8 stainless steel construction provides excellent corrosion resistance, making them ideal for use in damp or humid environments. These screws are also self tapping, eliminating the need for pre drilling.