MD3240 Cemented Carbide Buttons (Spherical Buttons) for Mining & Drill Bits

Catalogue Number	MD3240
Shape	Spherical Buttons
Material	Cemented Carbide

Tungsten Carbide Drill Heads (Ball Drill Heads) demonstrate exceptional performance with high toughness in the ZK series, alongside wear protection and impact resistance in the ZJ series. Stanford Advanced Materials (SAM) possesses extensive experience in manufacturing and supplying high-quality mining and drilling crowns.

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Type	Dimensions (mm)
Type	D	H	SR	α°	β°	e
YQ0711	7.25	11.0	3.7	20	25	1.6
YQ0812	8.25	12.0	4.4	20	25	1.6
YQ0913	9.25	13.0	5.0	20	25	1.8
YQ1015	10.25	15.0	5.5	20	25	1.8
YQ1117	11.3	17.0	6.0	20	25	2.0
YQ1218	12.35	18.0	6.6	20	20	2.0
YQ1319	13.35	19.0	7.0	20	20	2.0
YQ1420	14.35	20.0	7.7	20	20	2.3
YQ1622	16.35	22.0	8.8	20	20	2.5
YQ1825	18.25	25.0	9.2	20	20	2.8

Type	Dimensions (mm)
Type	D	H	SR	α°	e
YQ0711-E10	7.25	11.00	3.7	18	1.0
YQ0811-E10	8.25	12.00	4.2	18	1.0
YQ0913-E10	9.25	13.00	4.8	18	1.0
YQ1015-E12	10.25	15.00	5.3	18	1.2
YQ1117-E12	11.30	17.00	5.8	18	1.2
YQ1218-E15	12.35	18.00	6.4	18	1.5
YQ1319-E15	13.35	19.00	6.8	18	1.5
YQ1420-E18	14.35	20.00	7.5	18	1.8
YQ1420-E18	14.35	21.00	7.5	18	1.8
YQ1622-E18	16.35	22.00	8.3	18	1.8
YQ1825-E20	18.25	25.00	9.2	18	2.0
YQ1927-E25	19.35	27.00	9.8	18	2.5
YQ2028-E25	20.35	28.00	10.8	18	2.5
YQ2129-E25	21.35	29.00	11.2	18	2.5
YQ2230-E25	22.35	30.00	11.6	18	2.5

Type	Dimensions (mm)
Type	D	H	SR	α°	β°	e
SQ0709-E16	7.50	9.1	3.6	25	25	1.75
SQ0811-E18	8.50	11.1	4.1	25	25	1.96
SQ0912-E19	9.50	12.1	4.6	25	25	2.05
SQ1219	12.35	19.0	6.6	20	28	3.3
SQ1319	13.35	19.0	6.6	15	15	3.5
SQ1221-E24	12.35	21.0	6.5	25	20	2.4
SQ1317-E24	13.35	17.0	6.7	25	20	2.4
SQ1322-E24	13.35	22.0	6.7	25	20	2.4
SQ1422	14.35	22.2	7.7	20	16	2.3
SQ1422-E35	14.35	22.0	7.6	20	20	3.5
SQ14240E28	14.35	24.0	7.4	25	20	2.8
SQ1621A-E20	16.30	21.0	8.5	18	27	2
SQ1621A-E20	16.40	21.0	8.0	25	20	2.5
SQ1622	16.50	22.2	8.3	15	15	3.7
SQ1625	16.35	25.0	8.8	20	16	2.5
SQ1625-E20	16.20	25.0	8.2	18	27	2
SQ1628-E37	16.37	28.0	8.6	20	20	3.7
SQ1726	17.05	26.0	8.3	25	20	2.5
SQ1825-E28	18.25	25.0	9.4	20	20	2.8
SQ2029	19.70	28.6	9.8	15	15	3.9

Recommended Qualities, Properties, and Applications
Grade	Physical and Mechanical Properties				Recommended Applications
Grade	Cobalt %.	Density g/cm3	Hardness HRA	TRS N/mm2	Recommended Applications
ZK05A	6.0	14.93	90.8	2500	Small and medium-sized buttons Used in DTH drills and Top-hammer drills For drilling soft and medium hard rocks
ZK05H	6.0	14.93	90.5	2600
ZK05	6.0	14.93	90.2	2600
ZK05C	6.0	14.93	89.8	2700	Small and medium-sized buttons Used in DTH drill bits and Top-hammer drill bits For drilling medium hard and hard rocks
ZK7	7.0	14.82	89.8	2700
ZK10A	8.0	14.72	90.0	2700
ZK10A	8.0	14.72	89.0	2800	Buttons in DTH drills and Top-hammer drills For drilling medium hard and hard rocks
ZK10C	8.0	14.72	88.0	2900
ZK20A	10.0	14.50	87.5	2900	Buttons in DTH drills and tri-cone bits For drilling medium hard and hard rocks. Also for cemented carbide inserts for other drill bits
ZK20A	10.0	14.50	87.2	2800
ZK30	11.0	14.40	86.5	3000
ZK59	13.0	14.20	86.0	2900	Cemented carbide buttons in tri-cone bits For drilling medium hard and hard rocks Also for cemented carbide inserts for TBM cutters
ZK60	15.0	14.00	85.5	2900
YG16C	16.0	13.90	84.5	2900

Type	Dimension (mm)
Type	D	H	SR	α°	β°	e
YQ0711	7.25	11.0	3.7	20	25	1.6
YQ0812	8.25	12.0	4.4	20	25	1.6
YQ0913	9.25	13.0	5.0	20	25	1.8
YQ1015	10.25	15.0	5.5	20	25	1.8
YQ1117	11.3	17.0	6.0	20	25	2.0
YQ1218	12.35	18.0	6.6	20	20	2.0
YQ1319	13.35	19.0	7.0	20	20	2.0
YQ1420	14.35	20.0	7.7	20	20	2.3
YQ1622	16.35	22.0	8.8	20	20	2.5
YQ1825	18.25	25.0	9.2	20	20	2.8

MD3240 Cemented Carbide Buttons (Spherical Buttons) for Mining & Drill Bits

Cemented Carbide Buttons (Spherical Buttons) Description:

Cemented Carbide Buttons (Spherical Buttons) Specifications:

Cemented Carbide Buttons (Spherical Buttons) Applications:

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