8-15 x 1 1/4 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Oxide BT 8 x 22 ISO14581 Metric

8 x 22 ISO14581 Metric 6-Lobe Flat Machine Screw Full Thd Class8

It is made of zinc-plated steel and features a hex washer head with a bonded EPDM washer

which means that it can be used to fasten two pieces of material together securely

The serrated flange digs into the mating surface to prevent the nut from loosening

The 3/8-16 thread size is commonly used in automotive

8-15 x 1 1/4 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Oxide BT 8 x 22 ISO14581 MetricThese 8 15 x 1 1 4 Phillips pan head self tapping screws are Type A screws, meaning they have a fully threaded shank. They are made of steel and have a black oxide finish. These screws are designed to be used in metal applications and are self tapping, meaning they can create their own threads in the material they are being driven into. They have a Phillips drive, which requires a Phillips screwdriver to install.