R25 Self Drilling Anchor Bar Hard Rock Tungsten Carbide Cross Drill Bit EXX Type

Features

SupAnchor® Self Drilling Hollow Anchor is an unique anchoring system and is today’s answer to the increasing demands of the tunnelling industry and ground engineering for safer and faster production.

The SupAnchor self drilling system provides advantages for all areas of its applications, where boreholes would require the time consuming drilling with casing systems in unconsolidated or cohesive soil.

Features and Advantages

Fits SupAnchor® standard Boomer, ROC and Mustang rigs. Particularly suitable for difficult ground conditions.

• A high rate of installation since drilling, placing and grouting can be performed in one single operation.

• Self drilling system eliminates the requirement for a cased borehole.

• Installation with simultaneous drilling and grouting possible.

• Easy installation in all directions, also upwards.

• Suitable for working in limited space, height and in areas of difficult access.

• Simple post grouting system.

Technical Data

R25 Drill Bit	EX	EXX	ESF	ESSF
	Hardened Cross Bit for loose to medium dense ground conditions	TC Cross Bit for soft to medium rock formations	Hardened Button Bit for unconsolidated rock with boulders	TC Button Bit for medium rock formations
Outside Diameter (mm) / Unit Weight (Kg)	D42 / 0.30 D51 / 0.40	D42 / 0.30 D51 / 0.42	D42 / 0.25 D51 / 0.42	D42 / 0.30 D51 / 0.42
Hardness	HRC 50-55	HRA 87-89	HRC 50-55	HRA 87-89
Thread Type	ISO 10208 - R25 / Left or right
Type of Steel	EN10083-3/2006

 Anchor Bar and Accessories 

 SubNumbers 

10 Years - The average seniority > 10 years, which is not common in anchor manufacturing industry.

20 Years - 20 years of exporting experience, familiar with different product standards from different

                   customers and countries.

26 Years - 26 years of exploration and development, SupAnchor has become the No.1 SDA bar

                   manufacturer in Asia.

60 Countries - customers from 60 countries. Our self drilling anchor systems have been used by

                    customers from 50 countries all over the world, including America, Chile, Germany,

                    Australia India, etc.

1,500 Projects - SupAnchor’s products have been widely used in over 1500 massive projects.

SupAnchor has its own quality tracking systems. Every batch of anchor bar has its unique batch

Being the No.1 exporter of SDA bars in Asia, quality control has been always SupAnchor’s biggest