25mm-130mm Diameter Self Drilling Anchor Bolt with 800MPa-1200MPa Tensile Strength and R32N-18.5 Model for Mining

la grâce
Sep 17, 2025
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Bavarder
25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining The self-drilling hollow bar anchor system consists of a hollow threaded bar with an attached drill bit that can perform drilling, anchoring and grouting in a single operation. Key Features Allows air and water to freely pass through the bar during drilling to remove debris Enables grout injection immediately after drilling completion Grout fills the hollow bar and completely covers the
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la grâce
Apr 16, 2025