R51 Rock Bolt of Self-Drilling Anchor System (SDA) Manufacturer in China

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Ningbo Yinzhou Ternal Machinery Co., Ltd.

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
R51N/36
2 Years
CE, ISO 9001:2008, Gsg/ISO/GB
ISO 10208/ISO 1720/Other International Standard
Galvanized
Hot Rolling/Cold Rolling
Carbon Steel
DIN En10083-1
32-111
1m, 1.5m, 2m, 2.5m, 3m, 3.5m, 4m, 4.5m, 5m, 5
Tunneling, Deep Foundation, Rock Support
Left or Right T or R Thread
TERNAL
Packed in Bundles
R25/R32/R38/R51/T30/T40/T53/T76/T103
China
84314320
Product Description
We are the Rock Bolt Manufacturer in China


Main Components:

Self-drilling Anchor System Consists of:

Steel Hollow Bar

Steel Coupler

Steel Plate

Steel Nut

Sacrificical Drill Bit

Technical Data Sheet

Introduction to SDA

The self-drilling hollow anchor system performs drilling, anchoring and grouting in one step. It allows air and water to freely pass through the bar during drilling to remove debris and then allows the grout to be injected immediately after completely covering the entire bolt.

Features and Advantages

No predrilling
Rock at any depth
Can be installed in all soil types
Casing for lateral loads
Grout and bar are installed simultaneously
Only need rock drill & grout plant

 
HOLLOW BAR
SpecificationR25N-14R32S-15R32S-17.5R32N-18.5R32N-21R32L-22R38N/19R51NR51LT76NT76S30/1130/1430/1640/1640/16S40/2052/26
da(mm)253232323232385151767630303040404052
di(mm)141517.518.52122193638464911141618162026
P(mm)12.712.712.712.712.712.712.712.712.7---------
Ultimate Load(KN)21036036028028021050080050015001200320260220660660539929
Yield Load(KN)15028028023023016040063045919001600260220280525525430730
Weight(Kg/m)2.44.13.53.42.92.85.57.86.219163.12.82.76.37.05.39.5
Thread TypeISO 10208ISO 1720MAI Factory StandardTITAN Factory Standard
Type of SteelEN 10083-1
Thread TypeLeft Hand / Right Hand
Option of Anti-CorrosionHot-dipped Galvanization Standard
Painting Coating
Epoxy Coating
Length(m)
1 m, 1.5m, 2m, 2.5m, 3m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m 
 
 
 
 
 
 
 
 
 
 
 
 
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