WC=90%, Co=10%, TRS>3800N/mm2; Hardness>91.8HRA, Grain size: 0. ... ; High quality of wearability and impact Solid Carbid ReamerWC=90%, Co=10%, TRS>3800N/mm2; Hardness>91.8HRA, Grain size: 0 ... .0010251024J-140014.0014.0010754 About UsChangzhou Goldeb Ball Chain Transmission Co., Ltd., invested by a young power firm, is a professional ...