610 mm Concentric Drilling System with Blocks Follow-Down Drilling Pipe-Following Drilling Tools Quality Assurance

• Customized: Customized
• Standard: API
• Length: as Request
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Product Name: DTH Hammer Bit
• Item: 355mm Hammer Bit for 5" DTH Hammer
• Transport Package: Wooden Box
• Specification: 6 inch
• Trademark: YIKUANG
• Origin: China
• HS Code: 82071910
• Production Capacity: 10000

Product Description

610 mm concentric drilling system with blocks follow-down drilling pipe-following drilling tools quality assurance

General Introduction
Application Range:
It is recommended to drill in rock formation where contains some ovals and fracture.
Design Principles:
The stabel and reliable working performance and the less vibration of drill rig.
Different Structures:
Concentric system with ring bits,with wings and with blocks.
Operation Procedure
1.when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.
3.Next construction can be followed.
Raw Material
Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
Specification
1. Drill in overburden unstable rock. 
2. One step to drill and follow casing 
3. Flexible to open or close. 
4. Long service life


  The drill bit is the main tool of mining engineering impact drill, drilling and drilling machine parts is matched with the company, the product adopts the high quality alloy bit Zhuzhou hard alloy factory, the carcass quality 40Cr, 42CrMo and other materials Seiko production, to ensure the strength and toughness of drill bit. The company launched the conical connection hard alloy drill bit are straight and cross, three blade, ball gear and other four kinds of forms, many varieties and specifications

Hammer
PRODUCT	THREAD	Mark
2"inch Hammer
3"inch Hammer	2 3/8 thread
4"inch Hammer	2 3/8 thread
5"inch Hammer	2 3/8 thread
6"inch Hammer	3 1/2 thread
7"inch Hammer	3 1/2 thread
8"inch Hammer	4 1/2 thread
10"inch Hammer	4 1/2 thread
DTH drill bit
1, Drill bit of 2 inch Hammer
Ф76-80mm drill bit	Side teeth,6/Φ14mm alloy.
Φ81-90mm drill bit	Side teeth,6/Φ14mm alloy.
2, Drill bit of 3 inch Hammer
Ф85-90mm drill bit	Side teeth,6/Φ14mm alloy.
	Side teeth,6/Φ16mm alloy.
Ф91-105mm drill bit	Side teeth,6/Φ14mm alloy.
Φ110mm drill bit	Side teeth,7/Φ14mm alloy.	Customized products, no after-sales
3,Drill bit of 4 inch Hammer
Ф105-109mm drill bit	Side teeth,6/Φ14mm alloy.
Ф110-115mm drill bit	Side teeth,7/Φ14mm alloy.
	Side teeth,7/Φ16mm alloy.
Ф116-120mm drill bit	Side teeth,8/Φ14mm alloy.
Ф121-130mm drill bit	Side teeth,8/Φ14mm alloy.
	Side teeth,8/Φ16mm alloy.
Ф131-140mm drill bit	Side teeth,8/Φ16mm alloy.	Customized products, no after-sales
Ф141-150mm drill bit	Side teeth,8/Φ18mm alloy.	Customized products, no after-sales
4,Drill bit of 5 inch Hammer
Ф132mm drill bit	Side teeth,7/Φ16mm alloy.
Ф133-140mm drill bit	Side teeth,7/Φ18mm alloy.
	Side teeth,8/Φ16mm alloy.
	Side teeth,8/Φ18mm alloy.
Ф144-146mm drill bit	Side teeth,8/Φ18mm alloy.
Ф147-152mm drill bit	Side teeth,8/Φ18mm alloy.
Ф153-165mm drill bit	Side teeth,8/Φ18mm alloy.	Customized products, no after-sales
Ф166-178mm drill bit	Side teeth,8/Φ18mm alloy.	Customized products, no after-sales
Ф179-190mm drill bit	Side teeth,10/Φ18mm alloy.	Customized products, no after-sales
Ф191-203mm drill bit	Side teeth,10/Φ18mm alloy.	Customized products, no after-sales
Ф204-216mm drill bit	Side teeth,10/Φ18mm alloy.	Customized products, no after-sales
5,Drill bit of 6 inch Hammer
Ф152-165mm drill bit	Side teeth,Φ18mm alloy.
Ф166-180mm drill bit	Side teeth,Φ18mm alloy.
Ф181-190mm drill bit	Side teeth,Φ18mm alloy.
Ф191-203mm drill bit	Side teeth,Φ18mm alloy.	Customized products, no after-sales
Ф204-219mm drill bit	Side teeth,Φ18mm alloy.	Customized products, no after-sales
Ф220-235mm drill bit	Side teeth,Φ18mm alloy.	Customized products, no after-sales
Ф236-254mm drill bit	Side teeth,Φ18mm alloy.	Customized products, no after-sales
6,Drill bit of 7 inch Hammer
Ф180-190mm drill bit	Side teeth,9/Φ18mm alloy.
Ф191-195mm drill bit	Side teeth,9/Φ18mm alloy.
Ф196-203mm drill bit	Side teeth,10/Φ18mm alloy.
Ф204-219mm drill bit	Side teeth,10/Φ18mm alloy.	Customized products, no after-sales
Ф220-235mm drill bit	Side teeth,12/Φ18mm alloy.	Customized products, no after-sales
Ф236-254mm drill bit	Side teeth,12/Φ18mm alloy.	Customized products, no after-sales
7,Drill bit of 8 inch Hammer
Ф195-203mm drill bit	Side teeth,10/Φ18mm alloy.
	Side teeth,10/Φ19mm alloy.
Ф204-219mm drill bit	Side teeth,10/Φ18mm alloy.
	Side teeth,10/Φ19mm alloy.
Ф220-235mm drill bit	Side teeth,12/Φ18mm alloy.
Ф236-245mm drill bit	Side teeth,12/Φ18mm alloy.
Ф246-254mm drill bit	Side teeth,12/Φ18mm alloy.	Customized products, no after-sales
Ф255-275mm drill bit	Side teeth,12/Φ18mm alloy.	Customized products, no after-sales
Ф276-305mm drill bit	Side teeth,15/Φ18mm alloy.	Customized products, no after-sales
Ф306-325mm drill bit	Side teeth,15/Φ18mm alloy.	Customized products, no after-sales
Ф326-350mm drill bit	Side teeth,16/Φ18mm alloy.	Customized products, no after-sales
8,Drill bit of 10 inch Hammer
Ф240-254mm drill bit	Side teeth,12/Φ18mm alloy .
Ф255-275mm drill bit	Side teeth,12/Φ18mm alloy.
Ф276-290mm drill bit	Side teeth,15/Φ18mm alloy.
Ф291-305mm drill bit	Side teeth,15/Φ18mm alloy.
Ф306-320mm drill bit	Side teeth,15/Φ18mm alloy.
Ф321-335mm drill bit	Side teeth,15/Φ18mm alloy.	Customized products, no after-sales
Ф366-350mm drill bit	Side teeth,16/Φ18mm alloy.	Customized products, no after-sales
Ф351-375mm drill bit	Side teeth,16/Φ18mm alloy.	Customized products, no after-sales
Ф376-400mm drill bit	Side teeth,16/Φ18mm alloy.	Customized products, no after-sales

FAQ:

Q: Are you a manufacturer or trading company?

A: We are a specialized manufacturer.

 

Q: What are your main products, and used for?

A: Our products hammer tools ,drill pipe and drill rig.They are used for mineral exploration, geological drilling,blast and quarry drilling .

 

Q: How about the delivery terms?

A: 1.Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery

2. Min. order quantity: 1 piece.

3. Transportation: By sea, train or air flight.

 

Q: How about discount?

A: Price is based on products and order quantity.

 

Q: Do you accept sample order?

A: Yes sure, please contact us for details.

 

Q: How about your after-sales service?

A: As a manufacturer has 17 years of history we offer prompt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

 

Q: Where is your factory located in?

A: Our factory is located in Linqing city, Shandong province, China.

 

Q: How does your company control the quality?

A: Quality first. In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure.

We have obtained certificate of ISO9001*Yikuang is professional production of drilling tools, if you want to know more about our products, please feel free to contact us.

Pls feel freely to contact us about  165mm Hammer Bit for 5" dth Hammer !!!