built-in resin prestressed self drilling hollow bar

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 the …

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