China Spherical Solid Tungsten Carbide Drill Bits Button OD 8.25mm Height 12mm for sale

Spherical Solid Tungsten Carbide Drill Bits Button OD 8.25mm Height 12mm

Price Negotiable

Price: negotiable

MOQ: 10pc

Delivery Time: Standard products in one week

Brand: TGC

Product Description

OD8.25mm H 12mm High strength 1900 Spherical button bits

Spherical button bits:

Diameter: 8.25

Height: 10

SR: 44

e: 15.0

α: 18

Carbide Grade: TGC2

Density:14.95 g/cm3

T.R.S : 1900 N/mm2

Hardness: 90.5 HRA

TYPE	尺寸 Dimension (mm)
TYPE	D	H	SR	e	a.
S00825100-E15	8.25	10	44	15 0	18
SQ0825120-E15	8.25	12	44	15 0	18
SQ1825271-E15	18 .25	27.1	9 2	15 0	18
SQ0825122-F2	8.25	12.2	44	0.7	30
SQ0925149-F2	9.25	14 .9	5	0.7	30
S01025130-F2	10.25	13 .0	5.5	0.7	30
S01130140-F2	11.3	14	6	0.7	30
S01235160-F2	12.35	16 .0	6.6	0.7	30
S01335180-F2	13.35	18 .0	7	0.7	30
SQ1435181-F2	14.35	18 .1	7.7	0.7	30
SQ1635246-F2	16.35	24 .6	8.8	0.7	30
S01806250-X20	18.06	25	9	2	20
S01700280-E20	17	28	8.9	2	18
SQ2045300-F2	20.45	30	11.5	0.7	30
S02245300-F2	22.45	30	12	0.7	30

The spherical button is the most common shape utilized in DTH Bits. This type of shape is the strongest and most resistant to breakage. The domed shape provides excellent penetration in medium rock, hard rock, and hard rock broken formations, in all types of drilling.

General Tungsten Carbide Button Bits:

Carbide Grade	Density g/cm³	T.R.S MPa	Hardness HRA	Recommended Performance & application
TGC1	15.1	1800	90	Mainly used as small buttons for percussion bits to cut soft and medium-hard formations.
TGC2	14.95	1900	90.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits, and scraping knife bits, are used in geological prospecting, coal mining, and oil well boring.
TGC3	14.8	2200	89.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits, and scraping knife bits, are used in geological prospecting, coal mining, and oil well boring.
TGC4	14.95	2500	90.5	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.
TGC5	14.6	2450	87.6	Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium-hard formations.
TGC6	14.4	2500	86.8	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.
TGC7	14.4	2550	87.2	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations.
TGC8	14.4	2700	86.5	Largely for the inserts and buttons of percussion bits and tri-cone bits to cut medium-hard, hard, and very hard formations.
TGC9	14.2	2850	86	Primarily for the buttons of tritone bits and inserts of rotary percussion bits to cut hard and very hard formations.
TGC10	14	3000	85.5	For oil cone drill bits, for medium-soft and medium-hard rocks.