Product Description

1. The models includes R25, R27, R32, R38, R51 and R76

2. The self-drilling grouting bolts embodies drilling, grouting and anchoring as a whole and can improve the condition of surrounding rock in the course of deformation due to high ground stress.

3. Drill pipe diameter: 42mm, 50mm, 60mm, 73mm, 76mm, 89mm, 102mm, 114mm, 127mm, 140mm

4. Pipe wall thickness: 5.5mm, 6mm, 6.3mm, 8mm, 8.56mm, 9.19mm and 10mm

5. Tools joint: RD40, RD50, 2 3/8", 2 7/8", 3 1/2", 4 1/2", 5 1/2" API Reg. Pin-Box

6 Tools joint: 2 3/8", 2 7/8", 3 1/2", 4 1/2" API IF Pin-Box

7. Carefully selected seamless steel pipe and high quality alloy steel for joint tools.

Company Introduction

Changsha ENYU Engineering Equipments Co.，Ltd. is a professional company engaged in the development, manufacture and export of engineering equipment and accessories.

Our main products includes DTH hammers, DTH bits, thread bits, opener bits, drill pipes, tapered bits and diamond core bits etc, widely used in mining, quarrying, tunneling as well as other similar heavy industries.

All the products are with the best quality in Asia, and customers can get a lower price from our company.

Thanks to the above advantages, we have established long term business relationships with many customers from all over the world, especially from Russia, Spain, France, Chile, Australia, Canada, Brazil and South Africa and so on.

Reasonable in price, superior in quality, timely in delivery, flexible in trade, we serve clients whole-heartedly.