Common Threaded Drilling Tools for Surface Mining_ LHS ...
Surface Mining Threaded Driling Tools LHS Part No. Products Description T45 ZQA76F-T45 Button Bit Diam.76mm, Hemispherical Buttons, 8 Gauge Buttons, T45 Thread, Drop Center. ZYA76F-T45 Button Bit Diam.76mm, Hemispherical Buttons, 8 Gauge
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