Quick view Wishlist Alpha Alpha 5 Piece HSS Cobalt Countersink Set $599.00 Alpha 5 Piece HSS Cobalt Countersink Set This 5 Piece Coutersink Set is suitable for countersinking metals, plastics & wood. 3 Flute design gives is great for general purpose countersinking. Specifications 90° Angle 3 Flute HSS... Add to Cart Compare