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Ex Exx Drill Bit for Hollow Anchor Bar

Model NO.
R25/R32/R38/R51/T30/T40/T53/T76/T103/T111
Diameter(mm)
42/51//76/90/100/110/115/130/150/160/180/200
Application
Drilling
Transport Package
Carton Box/Plywood Box
Specification
R25/R32/R38/R51/T30/T40/T53/T76/T103
Trademark
TERNAL
Origin
China
HS Code
84314320
Production Capacity
10000PCS/Month
Reference Price
$ 1.04 - 1.16
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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:
Ex Exx Drill Bit for Hollow Anchor Bar
Self-drilling Anchor System Consists of:

Steel Hollow Bar

Steel Coupler

Steel Plate

Steel Nut

Sacrificical Drill Bit



Technical Data Sheet

Ex Exx Drill Bit for Hollow Anchor Bar
Drill Bit Selection
EX Description A machined or cast hardened cross dirll bit.
Suitable Conditions A majority of applications for loose to medium dense ground conditions.
EXX Description The tungsten carbide corss bit.
Suitable Conditions Suitable for soft to medium fractured rock formations.
ESF Description Cast and hardened hemispherical button drill bit.
Suitable Conditions Suitable for silt, sand and gravel and soft rock formations.
ESD Description Drop center hardened button bit.
Suitable Conditions For increased drilling efficiency of silt, sand and gravel with small boulders or soft rock.
ESSF Description Tungsten carbide hemispherical button drill bit.
Suitable Conditions With flat drill face for a large range of fractured ground, broken and medium rock formations.
EW Description Clay drill bit.
Suitable Conditions Cohesive mixed soils without obstructions.
EC Description Hardened tri-cresent/arching drill bit.
Suitable Conditions Suitable for unconsolidated soil with small boulders.
ECC Description Tungsten carbide tri-cresent/arching bit.
Suitable Conditions For a range of soft to medium rock formations.
EY Description Hardened tri-blade drill bit with a drop center buttons.
Suitable Conditions Offers an increased cutting performance in fills and chalk.
EYY Description TC drop centre bit with hardened tri-blade bit.
Suitable Conditions Suitable for soft to medium cemented ground conditions including fills and chalk.
 
Bit Type Drill Bit Diameters
R25 R32 R38 R51 T30 T40 T52 T73 T76 T103
EX φ42
φ51 		φ51
φ76
φ90 		φ76
φ90
φ100 		φ90
φ115 		φ42
φ46
φ51
φ76 		φ76
φ90
φ100
φ115 		φ115 φ130
φ170 		φ130
φ170 		-
EXX φ42
φ51 		φ51
φ76
φ90 		φ76
φ90
φ100 		φ90    φ100 
φ115   φ130
φ150 		φ42
φ46
φ51 		φ76     φ90
φ100  φ115
φ130  φ150 		φ115
φ130
φ150 		φ130
φ150
φ200 		φ130
φ150
φ200 		φ175
ESF φ42
φ51 		φ51
φ76 		φ76
φ90
φ100 		φ90
φ110 		φ42
φ46
φ51 		φ76     φ90
φ100  φ115
φ130   		- - - -
ESD - - φ115 φ115 - - φ115 φ130 φ130
φ170 		-
ESSF φ42
φ51 		φ51
φ76
φ90 		φ76
φ90
φ100
φ115 		φ90    φ100 
φ115   φ130
φ150 		φ46
φ51 		φ70     φ76
φ90     φ100
φ115   φ130 		φ100
φ115 		φ110
φ130 		φ120
φ130
φ150 		φ175
EW - φ76
φ90 		φ76     φ90
φ100  φ110
φ115  φ130
φ150    		φ130
φ150
φ175 		φ76
φ90 		φ90
φ130
φ150 		φ130
φ150 		φ130
φ150 		φ130
φ150 		φ220
φ280
EC - φ51
φ76 		φ76
φ90
φ115 		φ115 φ51 φ90
φ115 		- - - -
ECC - φ51
φ76 		φ76
φ90
φ110
φ115 		φ115 φ51 φ90
φ100
φ115 		- - - -
EY - φ76
φ90 		φ76
φ90
φ130 		φ115 - - - - - -
EYY - φ76
φ90 		φ76
φ90
φ130 		φ115 - - - - - -

Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar Ex Exx Drill Bit for Hollow Anchor Bar



 

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