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8 1/2” M1952/ M223
Application: Suitablefor medium hard formation with high compressive strength and abrasiveness,such as sandstone, shale, limestone, etc.
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Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitablefor medium hard formation with high compressive strength and abrasiveness,such as sandstone, shale, limestone, etc.
keywords: