M2.2-0.98 x 4 Metric 6-Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel 3/8-24 The external sems means that

The external sems means that the screw has a washer attached to it

while the zinc finish helps to protect the screws from corrosion

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Made from hardened steel and coated with a black oxide finish for corrosion resistance

These fasteners are also passivated and waxed for added protection against corrosion

M2.2-0.98 x 4 Metric 6-Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel 3/8-24 The external sems means thatThe M2. 2 0. 98 x 4 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 durability. 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 2. 2mm and a