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Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

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Model Number :	many
Certification :	ISO9001:2008 ISO9001:2004
Payment Terms :	L/C, T/T
Supply Ability :	30tons per month
Delivery Time :	10-15 working days after received your payment

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Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

Φ8~22x10~30mm Tungsten Carbide Buttons for DTH button bits

Grade and Applications:

Grades	Density	T.R.S	Hardness	Performance &application recommended	Approx grades in China
Grades	g/cm³	Mp α	HRA	Performance &application recommended	Approx grades in China
MK4	15.1	1800	90	Mainly used as small buttons for percussion bits to cut soft and medium hard formations.	YG4C
MK6	14.9	2100	90	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
MK15	14.6	2450	87.8		YG9C
MK20	14.4	2550	87	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.	YK20
MK20	14.4	2550	87		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	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
MK40	14.2	2650	86.5		YG13C
MK50	14	2700	86.5	For oil cone drill bits, for medium soft and medium-hard rocks.	YG15C
MK60	14	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

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

Description:

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;

Applications:

Tungten carbide inserts/ buttons are press fit into pre-drilled holes in the cone of the bit. It is widely used in the mining, construction, tunneling and water well industry.

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Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

carbide button bit

cemented carbide buttons

Φ8 ~ 22x10 ~ 30mm Tungsten Carbide Buttons for DTH button bits

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