solid carbide reamers, carbide reamers HRA=91.8 TRS> 3600 Grain size 0.5, ... .6, 0.8 high quality wearability and impact 1. Micrograin carbide rod: WC=90%, Co=10%, TRS>3800N/mm2; Hardness>91 ... the specification as your requirement. 6. Work Piece: Carbon steel, alloy steel, cast steel, tooling steel, mould steel, heat-treament steel. Aluminum alloy steel, Non ferrous alloy,