Minimum Order Quantity:	1 pc
Packaging Details:	Plywood box(free-fumigation)
Payment Terms:	T/T,Western Union,and L/C are acceptable
Supply Ability:	150 Piece/Pieces per month

Detailed Product Description

Machine Type:	Drilling Tool	Certification:	API
Material:	Carbide	Processing Type:	Forging
Application:	HDD Project, Well Drilling	Standard:	API&ISO
Available Size:	6" (152.4mm)~78" (1981.2mm)

22'' HDD hole opener reamer

Size	Type of cutter	Connection type	Total length
22 inch	8 1/2 IADC 637 TCI roller cone cutter, Metal-face sealed bearing 8 pcs of cutters	5 1/2 FH pin and box	1300mm
Drilling formations	Medium to hard formations, such as hard shale, hard limestone sandstone, whinstone, flintstone, granite, quarts sandstone, hard dolomile, hard limestone,pyrite, etc
PS: Drilling plan :16''-22''-28''-34''-40''

There are three stages:
1>the first stage is to drill a small diameter pilot hole.
2>The second stage is enlarge the hole with a larger diameter cutting tool called an HDD Reamer,
Rock Reamer or Hole Opener.
3>The third stage is inserting the casing pipe or other product into the enlarged hole.

Roller cone bit(IADC)	Roller cone(m/h)		Formation hardness	Formation	Rock type	Compress strength
Roller cone bit(IADC)	WEM	OBM	Formation hardness	Formation	Rock type	Compress strength
111/124	15-30	18-33	very soft	soft formation with sticky layer and low compressive strength	Clay, slits, sands	<25MPa
116/137 437	9-15	18-33	soft	soft formation with low compressive strength and high drill ability	Clay stone, marl, lignite sandstone, tuff	25-50MPa
126/139 517/527	4.5-9	6-12	medium soft	soft to medium formation with low compressive strength and small abrasive layers	Clay stone, marl, lignite, tuff sandstone, silts, anhydrites	50-75MPa
211/217 517/537	2.5-6	3-6	medium	medium to hard formation with high compressive strength and small abrasive layers	Mudstone, limestone anhydrites sandstone(calcareous)	75-100MPa
211/236 537/617	1.5-2.5	1.5-3	medium hard	hard and dence formation with very high compressive strength but non abrasive	Limestone, anhydrites dolomite	100-120MPa
311/347 627/637	1-1.5	1-1.5	hard	hard and dence formation with very high compressive strength and some abrasive layers	shale(calcareous), sandstone (siliceous), siltstone	100-200MPa
637/737/837	1	1	very hard	extremely hard and abrasive formation	Quartzite, rock	>200MPa

2.Features
1. all kinds of size
2. high quality and reasonable price
3. MQO:1 set
4. Have ISO certificate

3.Delivery
Lead Time:
Prepared to deliver within 1 week, if in stock
Depends on order quantity, when out of stock
Transportation:By sea or air
we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
We ship to many countries and serve industries such as Oil & Gas, water well , Construction,Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.

4. Tricone Bit Price:
Fob Price: US $5900/ Piece |
1 Piece/Pieces Tricone Drill Head (Min. Order)
Supply Ability: 150 Piece/Pieces per month
Port: Tianjin Seaport or Beijing Airport

5.Related Products:
Longyue Bit specializes in new, reruns and retips for the following:
● Mining Bits
● Oil Well Bits
● Water Well Bits
● Geothermal Bits
● Environmental Bits
● Construction Bits
● Exploration Bits
● Blast Hole Bits

Longyue Bit carries a complete line of the following:
● New and Surplus Bits
● Rerun and Retip Bits
● Blade Bits
● Hole Openers
● PDC drill bits
For tricone bit,size range:3"-26".
For PDC drill bit,size range:5 1/2"to 17 1/2"
For hdd hole opener 6" (152.4mm)~78" (1981.2mm)
Longyue Bit carries all brands of drill bits, such as,Longyue, Kingdream,Lilin,CS,Hughes, Smith,.
Longyue Bit will also buy any scrap bits, junk bits or used bits you have.