10-16 x 4 1/2 Phillips Flat Self Drilling Screw Full Thread Zinc & Bake D934188B this washer boasts a zinc

this washer boasts a zinc yellow finish for exceptional corrosion resistance

It has a castellated design

this screw is ideal for securing heavy-duty components and assemblies

while the gimlet point allows for easy penetration and threading into wood

10-16 x 4 1/2 Phillips Flat Self Drilling Screw Full Thread Zinc & Bake D934188B this washer boasts a zincThese 10 16 x 4 1 2" Phillips flat self drilling screws are made of steel with a zinc and baked finish for corrosion resistance. They have a full thread and a flat head with a Phillips drive. These screws are designed for use in metal applications and are self drilling, eliminating the need for a pilot hole. They are available in a variety of lengths and diameters to meet your specific needs.