Built-in-Resin Prestressed Self Drilling Hollow Bar – ONTON’s New Patent
YouTube video: https://youtu.be/kzeRktj0NE4 Advantages of built-in resin prestressed self drilling hollow bar a. Embedded resin capsules with tapered resin outlet anchor head: • Solve the problems such as resin capsules fall down from vault construction and difficulty in advancing resin capsules in slightly collapsed holes, ensuring that the resin capsules are pushed to […]
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