Rock Drilling Tools Extention Drill Rod and mm-Drill Rod

• Customization: Available
• After-sales Service: 24 Hours Online Service
• Warranty: Resend New in Case Bad Quality
• Model NO.: T38 T45 T51 Gt60
• Standard: AISI
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Length: 1000-6400mm
• Match: Button Bit, Button Bit Retrac
• Suitable for: Extension Rod, Mf-Rod
• Usages: Tunnelling
• Transport Package: Standard Export Packing.
• Specification: Length: 1100-1830, Weight: 6.3-10.7kg
• Trademark: QIDELI
• Origin: China
• HS Code: 8431432000
• Production Capacity: 50000PS/Year

Product Description

QIDELI is an engineering company in mining and rock excavation.

1. We offer THE COMPLETE SOLUTION including drill bits, DTH hammer, drill rods, shank adapters, accessories and added value services. We offer top hammer equipment for every application, such as underground mining and quarries, road and construction. We've been involved in the mining industry for 20 years. We look for excellent performance in our products and service. We provide good quality and better price drill tools, that means excellent hole quality and low-cost drilling for you. 

Drill steel smelting quality control, rolling quality control and further products deep processing are equally important. We use following manufacture process, Refining+Vacuum +Continuous casting+Drilling hole method +Surface peeling at Shanghai Baosteel production site. Strictly control not only include above process, also control:
·Non metallic inclusion content A.B.C.D.≤0.5
·Harmful element residues Pb. Sn. Sb. As. etc.≤0.01%
·Gas content O≤10ppm, H≤2ppm
·Rolling surface decarburization≤0.05mm

Product	Length		Diameter		Thread	Weight
	mm	ft	mm	inch		KG
R38-Round 39-R38	1220	4'	39	1 17/32"	R38	9.4
	1830	6'	39	1 17/32"	R38	14.3
	2435	8'	39	1 17/32"	R38	19.2
	3050	10'	39	1 17/32"	R38	24.1
	3660	12'	39	1 17/32"	R38	29.1
Same diameter Coupling sleeve	170	6 11/16"	55	2 5/32"	R38	1.6
	180	7 1/16"	55	2 5/32"	R38	1.8
	190	7 1/2"	55	2 5/32"	R38	2.2
Reducing coupling sleeve	190	7 1/2"	55	2 5/32"	R38-T38	2.2
	190	7 1/2"	55	2 5/32"	R38-T38	2.3
	207	8 1/16"	66	2 3/8"	T45-R38	3.2

Why Choose US:  

 

1. Adopt advanced heat treatment technology, product quality is stable, suitable for all kinds of rock.  
2. After many tests, the product life is at the top level in China.  

3. The product has excellent stability, and the adverse after-sale feedback of the product is less than 0.5%.

4. The suitable bit head design enables our bit to drill more efficiently and wear better.  

5. Increase processing of the back of bit's head can better protect the DTH Hammer, thus , thus reducing the grinding of the front joint of the impactor and prolonging the life of the DTH Hammer.

 6. Adopt round guage button and parabolic front button design, increase drilling efficiency, and at the same time can make the guage button more hard to break, better stability. 

FAQ

The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 15-30 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.
 

5. After Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality

 


Company information 

Certificate

Exhibition