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Hollow threaded drill rod for DYWIDAG system

2.0 USD
Min. Order: 1 Meter
Trade Term: FOB
Payment Terms: L/C, D/P, D/A, T/T, WU
Supply Ability: 4500000 Meters per Year
Place of Origin: Sichuan

Company Profile

Location: Chengdu, Sichuan, China (Mainland)
Business Type: Manufacturer, Service

Product Detail

Model No.: R25N--T76S
Means of Transport: Ocean, Air, Land
Brand Name: ONTON
Test Report: SGS
Usage: mining,tunnel,slope,foundation pit
Length: 1m--6m or any length you need
Thread: left or right
Surface treatment: galvanized,epoxy
Certificates: CE, ISO
Material: Steel Grade S460
Production Capacity: 4500000 Meters per Year
Packing: Bunndle
Delivery Date: 20 Days
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Product Description

Hollow threaded drill rod for DYWIDAG system

T76L thread drilling bolt for DYWIDAG system

Trapezoidal, All Thread, Hollow Core and High Strength Anchor Bolt for Titan or Dywidag Drilling Systems


Product Description:

  • Self drilling Anchor Hollow Bar

  • R /T thread

  • Customized  

  • Simultaneous Drill and Grout Installation

  • Combines both operations into a single construction cycle, enabling high rates of production

  • Fully Threaded Rod Sections

  • Continuous thread ensures that rods can be cut and coupled at any point

  • No Casing Required

  • Can be installed into loose or collapsing soils without the need for a temporary 

  • It's widely used in many projects of the subway, high-speed rail ,railways, Soil Nails, Micropiles ,highways and hydropower stations, with good popularity and quality


  • Why choose us?


    Hollow Bar Anchor is also a kind of steel pipe, it should comply with the requirements of steel bar. Agt is required by ASTM and EU Code 2, it is a mandatory demand for soil nail and micropil installation.


    Self Drilling Hollow Bar Anchors are largely used in each project, so the mass stability is important.



  • SDA (IBO) is a kind of safety product.

  • Safe products is the most important thing of engineering safety.

  • We only produce safe products.

  • Security is not just lip service.



  • Company Information:

  • Established in the early 1990s

  • The first and best manufacturer of SDA ( Self-drilling Anchor Rock Bolt ) in China

  • ONTON Techology Co., Ltd. is the main compiling units of the standard named "Technical Terms of Hollow Anchor Bolts" 

  • We participate in the ministry of railways Self-drilling Anchor Rock Bolt standards and almost all of the high-speed railway construction in china

  • OEM accepted


  • Certifications:

    The steel material is mainly S460NH, other steel grade is also available. Please contact us for further information.



    Customize service:


    Custom process:

    Packaging & Shipping:

    Generally: 50 pcs/bunndle,outer with woven bags or as requirement.


    Other Applications:

  •  Tunneling:

T76L thread drilling bolt for DYWIDAG systemT76L thread drilling bolt for DYWIDAG system

All Thread Hollow Bar Anchors are used in New Austrain Tunneling


Self-Drilling Anchor

Dywidag DYWI Hollow Drill Rod Substitute


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