Hexagon Taper Hdd Drill Rods For Portable Rock Drill

Products Description

Tapered drill equipment also provides a hexagonal chuck section to provide leverage for the rotation chuck bushing, which usually also has a forged collar to maintain the proper shank striking face position in the rock drill, and match a tapered bit at the socket end. Holes are typically drilled in 0.6 m increments to accommodate the air-leg feed length.

PRODUCT SPECIFICATION

SPECIFICATION NOTIC

Notes:
1. The ordinary connection taper degree is 7º, 11º and 12º, other degrees like 4.8º, 6º and 9º are also available upon request;

2. The ordinary shank is Hex22 × 108mm, Hex25 × 159mm and other styles are also available if upon customers’ request;

3. The rod length must be specified in order;

4. In order to adapt to different rock conditions, the drill rod is selected by users.

TO CHOOSE THE RIGHT PRODUCTS

Different rock formations and rock drills require different taper angles. For this, we can provide taper drill rods with three grades, and lengths available from 600mm (2’) to 11,200mm (36’8”), (measured from the collar to the tapered end).

Taper Rods Grades Recommended Table

Grades	Types	Recommended conditions
Superior	G III, T III, KSW	1) Rock drills impact energy: ≥76J, typically model: YT28 2) Drilling depth: ≥ 2.5 m (8’ 2 27/64”) 3) Rock formations: very hard, hard, medium hard and soft rock Protodyakonov Hardness Scale: f ≥ 15 Uniaxial Compressive Strength: ≥150 Mpa 4) Replacements: G rod, G I rod, ROK
Normal	G I, ROK	1) Rock drills impact energy: < 76 J, typically model: YT24 2) Drilling depth: ≤2.5 m (8’ 2 27/64”) 3) Rock formations: Medium hard and soft rock Protodyakonov Hardness Scale: f <15 Uniaxial Compressive Strength: <150 Mpa 4) Replacements: G rod
Economy	G	1) Rock drills impact energy: < 76 J, typically model: YT24 2) Drilling depth: ≤2.5 m (8’ 2 27/64”) 3) Rock formations: Medium hard and soft rock Protodyakonov Hardness Scale: f <10 Uniaxial Compressive Strength: <100 Mpa

Application

Quzhou Jugong Machinery Co.,Ltd.specialized in machine R&D and manufacturing for 10 years. Our product cpvers air compressors,jack hammer,drill rig,drill rig,parts,booster,tunnel shotcreting machine and other machinery hardware product etc.
Our products are popular in more than 50 areas, such as Europe , South America, Southeast Asia, the middle East and etc.
We have advanced new design every year. We are always ready to provide quality products and good after-sales service for every customer. As Chinese professional machinery manufacturer and exporter, we sincerely hope to eastablish business relations with your esteemed corporations.

    Silk Road is a state-level large scale enterprise in China, which has been listed among the five industries of Zhejiang Provincial government, the 958 Technology Catching-up Plan and the key enterprises by Zhejiang provincial government. The group is the civilized enterprise of provincial level and contract abiding and trustworthy enterprise of state level.
Currently, Silk Road has 18 subordinate companies with over 4100 employees. It covers an area of over 430,000 m2 with the total building complex area over 230,000 m2 and the total assets of the group amounts to over 1.5 billion.
"Silk Road" trademark, together with its logo, is the first company awarded with "Chinese renowned trademark" in the same trade and Silk Road air compressor is among the first exempted by Chinese government.
By the year of 2008, the total sales revenue of the group is 2.03 billion RMB, with 173 million RMB of profit, and USD10.69 million worth of export goods. Silk Road has been honored with "Special Quzhou Mayoral Award" for the past consecutive eight years.
Silk Road has a sophisticated national-wide retail network supported by the high-quality customer service system. The nine major series of Silk Road product spread from rock drilling unit, screw air compressor to excavator, crawler drill etc, and altogether 18 categories with over 800 individual products.
By far, Silk Road is the largest rock drill manufacturer in the world, and the largest air compressor manufacturer in China. Exports are shipped to over 20 different nations and regions such as United States, Germany, Japan, South Korea, Russia, African and Latin American countries.
Silk Road owns the best fine processing equipment over 1000 units. It has formed the machinery processing system with advanced technology, top-rate equipments and structure integrity.
In recent years, Silk Roadsticks to the talent-employment standard of Capable, Tough and Reliable and upholds the enterprise spirit of Flexible, Efficient, and Confident. Focusing on technology and industry innovation and centering product and market restructuring, the group have already planned a "4211" development strategy.
In 2005, cooperating with Xi'an Jiaotong University compressor research institute and interlinking with the state 863 project, the group successfully developed a high-tech product: screw air compressor's core part : screw rotors . It marks the end of relying on import this unit from overseas only in China. The success has made Silk Road the first in the industry which owns the intellectual property, core technique and competitive advantage among large-scale equipment manufacturers in China. In 2006, Silk Road was awarded with a second-class outstanding technique invention award by Chinese government for this technology.
Upon the success, we are currently trying to list one of our subordinate company: Silk Road to the share market. Also, we are hoping to develop Silk Road into a large-scale and diversified manufacturer with its own patent core technique and core competitiveness. We are striving to rejuvenate our national industry and develop as the pillar of Chinese air compressor industry in a yearning for greater contribution to China's harmonious society construction and national equipment manufacturing industry development.