ROSCHEN GROUP
                                                                                                           
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105 Years
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ROSCHEN Self Drilling Hollow Anchor Bolt R25 to T130 with 200-800 KN Load Capacity for Rock Support

Price Negotiable
Price: N/A
MOQ: 10 pcs
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Product Overview

ROSCHEN self-drilling hollow anchor bolts are manufactured from heavy-wall steel tubing with a hollow bore for simultaneous drilling and grouting applications. Available in sizes from R25 to T130, these anchor bars feature cold-rolled standard thread profiles for reliable performance in challenging geological conditions.

Key Applications

Ideal for rock support work in complex geological formations including weathered rock, gravel layers, backfill areas, hard conglomerate, and other challenging ground conditions where reliable anchoring is essential.

Product Advantages
  • Easy penetration through various rock types
  • Extendable length using couplers for flexible installation
  • Permanent installation - no need for removal
  • Hollow bar serves as grouting channel for efficient material delivery
  • Simultaneous drilling, grouting, and anchoring operations
Technical Specifications
Size Outer Diameter (mm) Inner Diameter (mm) Ultimate Load (KN) Yield Load (KN) Weight (Kg/m)
R25N25122001502.3
R32L3220.52101602.9
R32N/13220.52802302.9
R32N32182802803.5
R32S/132183602803.5
R32S32153602804.1
R38N/13822.55004004.8
R38N/238215004005.6
R38N38195004006
R51L/151395504505.6
R51L51365504507
R51N/151348006307.7
R51N51338006308.5
Installation Process
Self-drilling hollow anchor bolt installation process diagram showing drilling and grouting sequence
Project Applications
Real-world project examples showing self-drilling anchor bolts in rock support applications

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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