Step 1
Start with the image size of
32 pixels for the height and
32 pixels for the width, with a resolution of 72.

Step 2
Note: Make sure your foreground color is black and your background color is white

Go to Layer>New>Layer and name the layer "Screw", now with the Elliptical Marquee tool make a selection that looks like this

Step 3
Use the Radial Gradient tool and fill in your selection so it looks like this

Step 4
Go to Layer>New>Layer, name the Layer "Line"

Step 5
Use the Rectangular Marquee Tool and make a thin line from the top to the bottom of your image, now go to Edit>Fill, where it says Use, choose Black

Step 6
Go to Layer>Duplicate Layer, now go to Select>Load Selection and click ok, go to Edit>Fill, where it says Use, choose White, now on your keyboard press the Right Arrow key two times

Step 7
Go to Layer>Merge Down, your image should now look like this

Step 8
Go to Select>Load Selection click ok, now go to Filter>Blur>Gaussian Blur and choose a Radius between .8 and 1.5 , now go to Select>Deselect

Step 9
Go to Edit>Transform>Numeric and click the Rotate Box and type in a value of 45, click ok.

Step 10
Go to Window>Show Layers, click the "Screw" layer, go to Select>Load Selection and click ok, now go to Select>Inverse, click the "Line" Layer and hit delete. Finally go to Select>Deselect and your final image should look similar to this: