12-11 x 1 1/4 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Oxide WC The six-lobe drive system provides

The six-lobe drive system provides maximum torque and prevents cam-out

The 4-40 x 3/8 6-Lobe Pan Machine Screw is a fully threaded screw made of 18-8 stainless steel with a black oxide and oil finish

The 3-48 x 3/8 Phillips Pan Machine Screw Fully Threaded Black Zinc is a small

which means that it has 14 threads per inch

12-11 x 1 1/4 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Oxide WC The six-lobe drive system providesThese 12 11 x 1 1 4 Phillips pan head self tapping screws are Type A fully threaded screws with a black oxide finish. They are designed for use in metal applications and have a sharp point that helps them to penetrate the metal easily. The Phillips pan head provides a secure hold and helps to prevent the screw from slipping. These screws are also corrosion resistant, making them ideal for use in outdoor applications.