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Home > Rock Drilling Equipment Systems > Self Drilling Rock Anchor Bolt System
Self Drilling Rock Anchor Bolt System
Self Drilling Rock Anchor Bolt System
Self Drilling Rock Anchor Bolt System
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Self Drilling Rock Anchor Bolt System
Self Drilling Rock Anchor Bolt System
Self Drilling Rock Anchor Bolt System

Self Drilling Rock Anchor Bolt System

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Product Description

Basic Information
Model NO.
R25 R32 R38 R51 T40 T76
Color
As Request
Quantity
Small Quantity Is Acceptable
Transport Package
Cartons + Ply-Wooden Cases for Exporting
Specification
Grade A
HS Code
82071300
Production Capacity
50000 Per Month
Applications
  • R thread self drilling anchor bolt is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, and backfill ground.
  • Used for permanent support in tunneling projects.
  • In slope stabilization, rock bolts and soil nails can be used to maintain and strengthen soil and rock stability.
  • Used for micro pile reinforcement to transmit structural load to foundations and limit building deformation.
  • Drill bits can be customized for different rock conditions.
Product Features
  • Casing Free Operation: The anchor bar also functions as a drill pipe, making the process convenient and time-saving.
  • Simultaneous Drilling & Grouting: Drilling and grouting can be done at the same time, ensuring a reliable grouting spread radius and filling fractures effectively.
  • Flexible Length: Standard full thread anchor bars can be cut and connected by couplers, ideal for narrow workspaces.
  • High Bonding Stress: Continuous R-thread and T-thread designs provide superior bonding stress for secure anchoring.
R-thread Hollow Anchor Bar Specifications
Size Outer Dia. (mm) Inner Dia. (mm) Ultimate Load (KN) Yield Load (KN) Weight (Kg/m)
R25N25122001502.3
R32L32202101602.9
R32N/132202802302.9
R32N32182802303.4
R32S/132183602803.4
R32S3214.53602804.1
R38N/13822.55004004.8
R38N/238215004005.5
R38N38195004006
R38S/138185504306.2
R51L/15137.55504505.6
R51L51365504507
R51N/151348006307.5
R51N51338006308.5
Product Gallery
Self Drilling Rock Anchor Bolt System - Photo 1
Self Drilling Rock Anchor Bolt System - Photo 2
Quality & Logistics

Quality Warranty: Our products are manufactured using high-quality steel. All spare parts undergo strict inspection before shipping to ensure maximum performance and durability.

Packaging: We use robust ply-wooden cases and pallets to protect products and prevent damage during international transportation. Customized packaging is available upon request.

Production Time: Standard production typically requires 15-25 days.

Frequently Asked Questions
What geological conditions are self-drilling anchor bolts best for?
They are ideal for broken rock, loose soil, fracture zones, decayed rock, and sandy gravel where traditional hole drilling is difficult.
Can drilling and grouting be done at the same time?
Yes, one of the primary features of this system is that drilling and grouting can be performed simultaneously, which improves efficiency and anchoring quality.
Are the anchor bars customizable in length?
Yes, the anchor bars feature a standard full thread and can be cut to any required length and connected using couplers, making them suitable for restricted workspaces.
What are the common applications for R-thread hollow anchor bars?
Common applications include tunneling support, slope stabilization, soil nailing, and micro pile reinforcement for building foundations.
How is the product protected during shipping?
We use high-quality ply-wooden cases and pallets for export to ensure the products are protected against damage during sea or land transit.
What is the typical lead time for production?
The general production time is between 15 to 25 days, depending on the order specifications and quantity.

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