Hole Openers, Reamer Bit, TCI Bit manufacturer / supplier in China, offering Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel, 12 1 4 Inch TCI Tricone Bit,, 22′ API Rubber Sealed Tricone Bit, Water Well Drilling Bits and so on.
|Min. Order / Reference FOB Price||1 Piece||US $500/ Piece|
|Payment Terms:||L/C, T/T, Western Union, Paypal|
|Type:||Center Drill Bit|
-1,2, and 3 designate STEEL TOOTH BITS with 1 for soft,2 for medium and 3 for hard formations.
4 being the softest and 8 the hardest.
-1,2,3, and 4 are further breakdown of formation with 1 being the softest and 4 the hardest .
This digit will classify the bit according to bearing/seal type-see information on different bearing types-and special guage wear protection as follows:
|-1. Standard open bearing roller bit.|
-2. Standard open bearing roller bit,air-cooled.
-3. Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone.
-4. Sealed roller bearing bit.
-5. Sealed roller bearing bit with gauge protection on heel of cones.
-6. Journal sealed bearing bit.
-7. Journal sealed bearing bit with gauge protection on heel of cones.
The following letter codes are used in the fourth digit position to indicate additional features:
|A. Air Application|
R. Reinforced Welds
C. Center Jet
S. Standard Steel Tooth
D. Deviation Control
X. Chisel Insert
E. Extended Jet
Y. Conical Insert
G. Extra Gage Protection
Z. Other Insert Shape
J. Jet Deflection
Fumigation Tray if necessary
Other special package can be applied
according to customer's need
Prepared to deliver within 1 week, if in stock
Depends on order quantity, when out of stock
Transportation:By sea or air
Hejian Hengji Bit Manufacture Co.,LTD was established in 1990. 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 more than 60 different 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.
We have been always insist on"Hengji bit,focusing on quality".