T30 Self Drilling Hollow Rock Bolt for Tunneling, Micropile, Soil Nails

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Min Order 100 Meters
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Ningbo Yinzhou Ternal Machinery Co., Ltd.

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
T30
CE
AISI, ASME, ISO 10208
Galvanized
Hot Rolling/Cold Rolling
Carbon Steel
Left or Right
R Thread
New Construction/Underpinning/Slope Stabilization
Bright Steel/Hot Galvanized/Epoxy Coating
Carton Box/ Plywood Case
200
1) X2, X3, X4, X5, X6, X7, X8, X9
150
TERNAL
Carton Box/Plywood
R25/R32/R38/R51/T30/T40/T53/T76/T103
China
84314320
Product Description


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


Main Components:
 
Self-drilling Anchor System Consists of five basic components:

- One Or More Steel Hollow Bar

- One Or More Extension Coupling To Connect  The Hollow Bars

- A Steel Plate

- A Steel Nut

-A Sacrificial Drill Bit


Technical Data Sheet
 

 
 R25&R32 HOLLOW BAR
SpecificationR25-12R32S-15R32S-17.5R32N-18.5R32N-21R32L-22
da(mm)253232323232
di(mm)121517.518.52122
P(mm)12.712.712.712.712.712.7
Ultimate Load(KN)200360360280280210
Yield Load(KN)150280280230230160
Weight(Kg/m)2.274.13.53.42.92.8
Thread TypeISO 10208
Type of SteelEN 10083-1
Thread TypeLeft Hand / Right Hand
Option of Anti-Corrosion Hot-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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