Parabolic / spherical Tungsten Carbide Tips for rock drilling bit

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Zhuzhou Mingri Cemented Carbide Co., Ltd.

City: zhuzhou

Province/State:hunan

Country/Region:china

Tel:86-731-22778508

Contact Person:
Ms.Linda Chen View Contact Details

Parabolic / spherical Tungsten Carbide Tips for rock drilling bit

Brand Name	Ri Xin
Model Number	Various
Certification	ISO9001:2008 ISO14001:2004
Place of Origin	china
Minimum Order Quantity	5KG
Supply Ability	30TON PER MONTH
Delivery Time	7-20 days depending on the quantity
Packaging Details	First in small cartons filled with cotton, then in bigger cartons.
Product Name	YG6 YK05 YG8 YG8C YG11C Tungsten Carbide Button Tip for rock drilling bit
Material	tungsten carbide
Grade	YG6, YG8, YG8C, YG11C
Grain size	Medium or coarse
Type	Parabolic/spherical/ spoon/flat top/wedge/conical buttons, cap tips, auger tips
Surface	Unground or ground
Application	Button bits

Detailed Product Description

Parabolic / spherical Tungsten Carbide Tips for rock drilling bit

1. Description:

YG8C Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.

Our advantage of making tungsten carbide button bits is that we are using HIP sintering for minimizing the

porosity of carbide blank for increasing the transverse rupture strength (TRS). It is very suitable for high

quality requirement for making carbide buttons to be used in high and medium pressure DTH Drilling. As

its unique working performance, tungsten carbide button bits are widely applied to oil filed drilling and snow

removal, snow plough machines or equipments.

--Dimension: diameter from 8-22mm, length from 10-30mm;

--HIP sintering;

--ground and unground;

2. Grade and Applications:

Grades	Density g/cm³	T.R.S Mp α	Hardness HRA	Performance &application recommended	Approx grades in China
MK4	15.1	1800	90.0	Mainly used as small buttons for percussion bits to cut soft and medium hard formations.	YG4C
MK6	14.9	2100	90.0	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.	YG6
MK8	14.7	2400	89.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.	YG8
MK10	14.7	2450	88.5	Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.	YG8C
MK15	14.6	2450	87.8	Suitable for strips, conical buttons for rotary percussion drill bits, geological prospecting buttons, cut soft and medium hard formations.	YK15 YG9C
MK20	14.4	2550	87.0	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.	YK20 YG10C
MK25	14.5	2600	87.5	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.	YK25
MK30	14.4	2600	87.0	Largely used for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard and very hard formations.	YG11C
MK40	14.2	2650	86.5	Mainly used for the buttons of tricone bits, and inserts of rotary percussion bits to cut hard and very hard formations.	YK40 YG13C
MK50	14.0	2700	86.5	For oil cone drill bits, for medium soft and medium-hard rocks.	YG15C
MK60	14.0	2500	87.5	Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks.	YG15

3. Size and drawing:

Dimension
D	H	SR	α.	β.
6.25	9.9	3.4	20	26.5
8.25	12.2	4.4	20	26.5
9.25	13.9	5.0	20	26.5
10.25	18.9	5.5	20	27
11.30	19.0	6.0	20	27
12.35	20.9	6.6	20	28
12.35	20.0	6.3	25	24.75
13.35	19.9	7.0	20	27
14.35	22.1	7.7	20	16
14.35	24.0	7.34	25	25
16.35	24.9	8.8	20	16
19.35	30.4	9.76	20	30
21.65	31.9	11.8	20	30

Dimension
D	H	SR	e	α.
8.25	10.0	4.4	1.5	18
8.25	12.0	4.4	1.5	18
18.25	27.1	9.2	1.5	18
8.25	12.2	4.4	0.7	30
9.25	14.9	5.0	0.7	30
10.25	13.0	5.5	0.7	30
11.30	14.0	6.0	0.7	30
12.35	16.0	6.6	0.7	30
13.35	18.0	7.0	0.7	30
14.35	18.1	7.7	0.7	30
16.35	24.6	8.8	0.7	30
20.45	30.0	11.5	0.7	30
22.45	30.0	12.0	0.7	30

Dimension
D	H	SR	e	α.
13.35	13.5	7.0	1.5	18
13.35	19.9	7.0	1.5	18
14.35	20.0	7.2	3.0	18
14.35	15.0	7.5	1.7	18
16.35	19.0	8.8	2.2	18
16.35	21.9	8.8	2.2	18

4. Applications:

5. Package

Product Tags: carbide button bit cemented carbide buttons

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