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Help CenterCarbide Flat-top Teeth Tungsten Steel Flat-head Teeth Hard Alloy Inserts for Mining Drill Bits
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1. What are Carbide Flat-Top Teeth?
They are cylindrical or near-cylindrical parts made from tungsten carbide (WC) and cobalt (Co) and other metals
through powder metallurgy sintering. Their most distinctive feature is a flat top, rather than a spherical or conical shape.
Common Grades: Common grades include YG8, YG8C, and YG11C. These grades represent different tungsten carbide
grain sizes and cobalt content to suit different rock hardnesses.
Structural Characteristics: They typically have high compressive strength and good wear resistance. The flat top design
allows for more even stress distribution during impact, preventing chipping and cracking.
2. Main Application Scenarios
Due to their unique shape and mechanical properties, flat-top teeth are mainly used in the following areas:
1) Rock Drilling and Mining:
Down-the-hole drill bits: Flat-top teeth are often embedded in the head or gauge-retaining position of down-the-hole
drill bits for drilling in medium-hard and harder rocks.
Geological exploration: Used in geological core drilling tools, especially in conditions requiring high stability.
2) Road Milling and Crushing:
Road milling machines: Installed on the milling drum, used to remove old asphalt or concrete pavements. The flat
design facilitates "cutting" and "scraping" of road materials.
Crushing hammers/picks: Used as "teeth" for crushing concrete and rocks, utilizing the high compressive strength
of the flat top for crushing operations.
3) Snow Removal Equipment (Snow Plows):
This is a very special application. Carbide flat-top teeth are installed on large mechanical snow plows. When the
snow plow encounters icy roads or hidden obstacles, these hard flat-top teeth protect the blade while breaking up
the ice, preventing equipment damage.
3. Flat-Top Teeth vs. Ball Teeth: What's the Difference?
In the mining and engineering fields, ball teeth (Round Tooth) and flat-top teeth (Flat-top Tooth) each have their
advantages. You can refer to the table below for differentiation:
Characteristics
Carbide Ball Teeth (Round Tooth): The tip is spherical, with point contact, resulting in stress concentration, suitable
for "chiseling" and "crushing". Wear resistance is relatively weaker (because the contact area is small, wear is faster).
It has good impact resistance and is not prone to chipping, making it suitable for high-impact rock drills. It is commonly
used in drilling soft and medium-hard rock with handheld rock drills.
Carbide Flat-top Tooth: The top is flat, providing surface contact and relatively low pressure, suitable for "shearing,"
"scraping," and "grinding." It has better wear resistance (large contact area, even wear, and usually longer lifespan).
It also has good impact resistance, but the edges may chip under extremely high impact (depending on the grade).
Commonly used in drilling medium-hard and hard rock, road milling, snow plows, and down-the-hole drills.
Matrix type：
Tungsten-cobalt (YG): WC + Co (Suitable for machining brittle materials such as cast iron, non-ferrous metals, plastics, and stone.)
Tungsten-titanium-cobalt (YT): WC + TiC + Co (Suitable for machining ordinary steel (long-chip steel), as TiC effectively prevents steel from sticking.)
Tungsten-titanium-tantalum(niobium)-cobalt (YW): WC + TiC + TaC/NbC + Co (General-purpose matrix, suitable for machining both steel and cast iron and non-ferrous metals, especially suitable for difficult-to-machine materials.)
Common Models of Inventory Matrix:
APGW1135/APGW160404
CCGW0301/CCGW0401/CCGW0502/CCGW0602/CCGW09T3/CCGW1204CNGA0903/CNGA1204/CNGA1606
CNGW0602/CNGW09T3
CPGW0502/CPGW0602
DCGW0702/DCGW11T3DNGA1104/DNGA1504/DNGA1506/DNGA1906DNGW0702/DNGW11T3
SNGA0903/SNGA1204
SNGN0903/SNGN1204
SNGW1203/SNGW1204
SPGN0903/SPGN1203
SCGW0602/SCGW0603/SCGW0903/SCGW09T3/SCGW1204
SPGW0602/SPGW0603/SPGW0903/SPGW1203/SPGW1204
TBGW0601/TBGW0602/TBGW0802
TCGN1103/TCGN1603
TCGW0601/TCGW0602/TCGW06T1/TCGW0802/TCGW0902/TCGW1102/TCGW1103/TCGW1604/TCGW16T3
TNGA1103/TNGA1604/TNGA2204TNGW0802/TNGW0902/TNGW1103/TNGW1604/TNGW16T3TPGN0902/TPGN1102/TPGN1103/TPGN1303/TPGN1603/TPGN2204TPGW0601/TPGW0602/TPGW0802/TPGW0902/TPGW1102/TPGW1103/TPGW16T3VBGW1102/VBGW1103/VBGW1604VCGW0702/VCGW0802/VCGW1102/VCGW1103/VCGW1604/VCGW2205WBGW0601/WBGW0802WNGA0604/WNGA0804
Materials:Solid carbide
Package:10piece/box
Application:PCD tools
Lead time : in stock .
Factory Showcase
Mainly Inserts Shapes :
Milling Inserts: APMT APKT RDMT RPMT LNMU BLMP SEKT SDMT SOMT SEKN SEEN SPKN TPKN TPKR TPMR 3PKT WNMU SNMU ONMU AOMT JDMT R390 BDMT,etc.
Turning Inserts: CNMG CCMT SNMG SCMT WNMG TNMG TCMT DCMT DNMG VNMG VBMT KNUX,etc.
Grooving Inserts: MGMN MRMN N151 N123 ZTFD TDC2 TDC3 TDC4,etc.
Inserts for aluminium: APGT APKT CCGT DCGT VCGT RCGT SCGT SEHT TCGT ZTED,etc.
Threading Inserts: 11IR 11ER 16ER 16IR 22ER 22IR,etc.
U drill Inserts: SPMT WCMX WCMT,etc.
Delivery and Shipment :
Q&A:
1.Are you trading company or manufacturer?
We are professional manufacturer of cutting tools for more than 20 years.
2.Which shipping method do you usually use?
We usually send goods by express, for big quantity, we can send by sea or by air.
3.Which payment methods do you accept?
4.Can I get a sample to check your quality?
Yes, after confirm the price, you can require sample to check the quality.
We will send you free sample and you charge the shipping cost.
5.How about the delivery time?
For stock items, the delivery time is about 3-5 days.
If run out of stock, the delivery time is about 15-20 days.
If custom items , the delivery time usually is about 30-35 days.
6.What is the minimum order quantity (MOQ)?
The regular MOQ is 10 pieces.
7.Does the packaging support customized LOGO?
Support customized LOGO on the outer box (need to reach a certain quantity)
Send Inquiry to This Supplier
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