1/4-20 x 1 1/4 Phillips Indented Hex Washer Machine Screw Fully Threaded Zinc NWR75 The bolts have a square

The bolts have a square head that provides a secure hold when tightened

Made from 316 stainless steel

The M4 DIN 127B Metric Split Lock Washer is a high-quality washer designed to prevent loosening of nuts and bolts due to vibration or other dynamic forces

The head is slightly larger than the shank

They are designed for use in drywall applications and feature a bugle head that helps to countersink the screw below the surface of the drywall

1/4-20 x 1 1/4 Phillips Indented Hex Washer Machine Screw Fully Threaded Zinc NWR75 The bolts have a squareThis 1 4 20 x 1 1 4 Phillips indented hex washer machine screw is fully threaded and zinc plated. It has a diameter of 1 4 inch and a length of 1 1 4 inches. The Phillips indented hex washer head has a diameter of 9 16 inch and a height of 1 4 inch. The screw is made of steel and has a zinc plated finish. It is designed for use in a variety of applications, including automotive, construction, and manufacturing.