Description of π§ Enhanced Precision with the Imperial Units Center Combined Countersink
1.Set of 10pcs(2pcs of each sizes) HSS Center Drills. 2.Imperial units sizes: 1/8" 3/16" 1/4" 5/16" 3/8" in tip diameter. 3.Material: High speed steel. 4.Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes. 5.Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on.