Specifications:Tolerance: H8Material: High Speed SteelCoating: UncoatedCutting Diameter: 4mm / 0.16"; 5mm / 0.2"; 6mm / 0.24"; 8mm / 0.31"; 10mm / 0.39"Flute Length: 17mm / 0.67"; 23mm / 0.91"; 26mm / 1.02"; 34mm / 1.34"; 38mm / 1.5"Overall Length: 73mm / 2.87"; 83mm / 3.27"; 91mm / 3.58"; 110mm / 4.33"; 125mm / 4.92"Shank Diameter: 4mm / 0.16"; 5mm / 0.2"; 6mm / 0.24"; 8mm / 0.31"; 10mm / 0.39"Descriptions:1. High-speed steel tools are with combination of hardness and toughness for wear resistance, suitable for general purpose applications. Features just the base substrate without any additional coatings, good for wide ranges of applications.2. Chucking reamers can cut and remove the thin layer metal on hole surface that has been processed, mainly to improve the precision of holes and reduce the surface roughness.3.
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