1 Year
ISO 9001:2008
Spray-Paint
Forging
Carbon Steel
220V/380V
Cylinder
34-45mm
5m
<83.3
Granite and Marble Drilling
H22*180
>37Hz
>470mm/Min
>70j
15kw
SDK
Standard Packing, Including Carton Inside and Outs
668*248*202mm
China
Product Description

According to the different choices of customers, we offer four quality products, including Grade A,Grade B,Grade C and Grade D. Customers can choose suitable drill rod according to different hardness of rock and types of rock drilling tools. Grade A drill rod QSAAA and GTIII can be applied to solid rock, III level or above and f≥12 rocks according to Protodikonov's Hardness Coefficient of Rock. Grade B drill rod QSAA and G30 is suitable for IV level or above and f≥12 rocks, Grade C and Grade D drill rod suitable for IV level or below and f≤8 rocks.
Angle | 7 /11/12 degree |
Brand | QSAAA,QSAA,GTIII,G30 |
Shank size | H22*108mm/ H25*108mm/H25*159mm. |
Package | 5 pieces with a small bundle,50 or 100 pieces with a big bundle. |
Production process | involving multiple processes, such as steel rolling, forging, normalizing,quenching and tempering, etc. |
Raw material | It is 55SiMnMo ,320*480 large-section continuous casting billet, then rolling into 150*150 square billet after inserting core rod and seamless pipe. |




SDK has very strong capability to produce high-quality products , and we are keeping long-term and reliable partnership with lots of logistic companies,this allows us to send goods to you fast at very favorable prices . If you have your own freight forwarding company , we are also willing to deliver the goods to them promptly.





1. T/T or Western Union or money gram or L/C at sight?
All are no problem.
2. Shipping time for an order:
We have many stock. As usual, we can deliver the goods as soon as get the full payment.
3. Quality control:
Each production process have quality inspector to check the quality . And we have a very strict factory standard. There will also be strict inspection and testing for every order before shipping out.
4. After sale service:
Free replacement will provide once the failure confirmed caused by our product quality.