Countersink Router Bit Set

5pcs 8mm Shank HSS Woodworking Countersink Router Bit Set Screw Extractor Remon Demolition for Wood Milling CutterSpecifications: Item: 8mm Shank Router BitMaterial: 45# steelCarbide tip: YG6XFunction: screw countersunk holeBalance: +/- .003" tolerance Body: Solid Hardened Steel Blade: Industrial grade micro grain carbide Cutter: CNC ground to a 600 grit, mirror-like finishDetaild specification, pls check following photos.