4-40 x 3/16 Phillips Pan Thread Cutting Screw Type 23 Fully Threaded Black Oxide CR188 The flat washer provides a

The flat washer provides a smooth surface for the fastener to bear against

Type 23 thread cutting screws are designed to create their own threads in metal

These 10-16 x 1 1/4" 6 Lobe Pan Self Tapping Screws Type AB are fully threaded and coated in black oxide for corrosion resistance

- The zinc plating offers corrosion resistance and durability

while the yellow zinc coating ensures corrosion resistance in harsh environments

4-40 x 3/16 Phillips Pan Thread Cutting Screw Type 23 Fully Threaded Black Oxide CR188 The flat washer provides a4 40 x 3 16" Phillips Pan Thread Cutting Screw Type 23 Fully Threaded Black Oxide #4 40 thread size 3 16" length Phillips pan head Type 23 thread cutting screw Fully threaded Black oxide finish This screw is designed for use in metal and plastic applications. The thread cutting design creates its own threads as it is driven into the material, providing a secure hold. The black oxide finish provides corrosion resistance.