Smart-Bit® Pre-drilling Tool for Fiber Cement Board
2021-6-15 · Ma et al. used DLC coated, TiC coated and uncoated cemented micro- drill bits to drill PCB board . Starborn Industries Introduces SMART-BIT For Fiber Cement Board The tool comes packaged with two different length drill bits , for use with either 5/16” or 5/8” thick compressed fiber cement boards .
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