China High Quality 5 Tips Taper Button Bits for Rock ...
2021-5-27 · 5 tips taper button bits for rock drilling: Material: Tungsten carbide buttons and 42 CrMo: Process: Forging: Taper degree: 6 °, 7°, 11°, 12° Model size: 32mm, 34mm, 36mm, 38mm, 40mm: MOQ: 50 pieces: Application: Rock drilling and ore mining: Connect rod: B19, B22, B25 taper drill rods: Packaging: Wooden box, carton box or customized: Delivery
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