Tungsten Carbide Spoon (Scoop) Buttons

Tungsten carbide scoop buttons, widely used for insert roller bit. suitable for soft rock formation drilling with high speed

Recommend grade list of tungsten carbide buttons:
Grade	Density	T.R.S	Hardness	Application recommended
Grade	(g/cm3)	( MPa)	(HRA)	Application recommended
YG6	14.95	≥1900	≥90.5	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	14.8	≥2200	≥89.5	Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit.
YG8C	14.8	≥2400	≥88.5	Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush.
YG11C	14.4	≥2700	≥86.5	Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth.
YG13C	14.2	≥2850	≥86.5	mainly used for rotary drill bit used for cutting high hardness materials in ball mill.
YG15C	14	≥3000	≥85.5	Used in oil cone bit and soft in the hard rock digging cutting tools.
YK15	14.6	≥2450	≥87.6	Suitable to strips,conical buttons for rotary percussion-resistant geological prospecting buttons,cut soft and medium hard formations.
YK20	14.4	≥2500	≥86.8	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations,
YK25	14.4	≥2550	≥87.2	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard,hard,and very hard formations.

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Unit：mm
Type	Dimension
Type	D	H	h	Ra	Rb	Rc	r	α	β	e
MS7019	14.359	20.6	11.5	15.29	2.39	17.12	1.6	150	200	1.27
MS7030	15.95	24.61	13.2	15.67	2.39	23.42	2.39	130	150	1.14
MS3001	32.1	52	30	25	4	35	5	130	150	2
MS3002	30.1	47	28	22	.4.0	33	5	130	150	2
Recommended grade: YG16
Other grades and sizes can be offered by customers’requirements.

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