FHC Countersinks are specifically designed to cut round countersunk holes in aluminum. They cut faster than standard countersinks, and leave a finished hole every time. Smooth drilling action from single cutting edge prevents chatter and fluted edges.
Aluminum Countersink for Flat Head Screws | Fast Stock Removal | FHC Stocked in Various Common Screw Sizes: 6, 8, 10, 12, 14, and 16
