Brass Round Stud Anchors Brass Wood Anchors Brass Pool Anchor Brass Concrete Anchors Brass Drop in Anchor Brass Sleeve Anchors Brass Slotted Anchors Brass Knurling Anchors Brass Spring Anchors Brass Wedge Anchors Thread Size : From M4 to M16 ( 5mm to 20mm )Finish : Brass Anchors Come Primarily in Natural Brass, However They Can be Coated with Chromium Nickel, Copper or SS for extra Strength and Looks.