8-15 x 3 1/2 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc WS316 while the 100º angle allows

while the 100º angle allows for easy installation in tight spaces

which means that they can be used to fasten materials of different thicknesses

This lock washer is commonly used in construction

and the 1-inch length is suitable for various materials and thicknesses

8-15 x 3 1/2 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc WS316 while the 100º angle allowsThese 8 15 x 3 1 2 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc screws are designed for use in metal, plastic, and wood applications. They have a Phillips pan head with a self tapping point that eliminates the need for pre drilling. The screws are fully threaded for maximum holding power and are zinc plated for corrosion resistance. They are available in a variety of lengths and diameters to meet your specific needs.