M4-1.79 x 25 Metric 6-Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel 2 which means that it can

which means that it can be driven into a material without the need for a pre-drilled hole

1/2-13 x 2 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc Plated

Its hexagonal head provides a secure grip for easy installation

It has a pan head with a Phillips drive

M4-1.79 x 25 Metric 6-Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel 2 which means that it canThe M4 1. 79 x 25 Metric 6 Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel is a high quality washer designed for use in a variety of applications. It is made from A2 stainless steel, which is known for its strength and corrosion resistance. The washer has a 6 lobe design, which provides a secure grip on the bolt or screw. It is also fully threaded, which allows it to be easily installed and removed. The washer has a diameter of 4mm