Manufacturer Big Hole DTH Hammer Drilling Bits Made in China

• Customized: Customized
• Standard: API, ISO9001
• Length: Skirt
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Model NO.: QL80
• Model Number: DHD
• Machine Type: Drilling Tools
• Application: Energy, Transportation, Metallurgy, Building etc.
• Drilling Type: Rotate Impact Drilling
• Condition: New
• Hole Diameter: Big Size
• Transport Package: Wooden Case
• Specification: ISO
• Trademark: BESTLINK
• Origin: Xiamen, China
• HS Code: 82071990
• Production Capacity: 50000 PCS / Month

Product Description

Manufacturer Big Hole DTH Hammer Drilling Bits Made in China

We can design and manufacture according to customer's requirement of the Bit Dia, No. air holes, carbide button shape and the face shape.


High Air Pressure DTH Button Bit

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
Cop32	85	2	6×φ14	4×φ12	4.2	COP32-85
	90	2	6×φ14	5×φ12	4.5	COP32-90
	95	2	7×φ14	5×φ12	4.7	COP32-95
	100	2	8×φ14	6×φ12	5.0	COP32-100
	105	2	8×φ14	6×φ13	5.3	COP32-105
BR3	85	2	6×φ14	4×φ12	3.8	BR3-85
	90	2	6×φ14	5×φ12	4.0	BR3-90
	95	2	7×φ14	5×φ12	4.3	BR3-95
	100	2	8×φ14	6×φ12	4.8	BR3-100
	105	2	8×φ14	6×φ13	5.2	BR3-105
HD35(IR3.5,Cop34)	85	2	6×φ14	4×φ12	4.2	HD35-85
	90	2	6×φ14	5×φ12	4.5	HD35-90
	95	2	7×φ14	5×φ12	4.8	HD35-95
	100	2	8×φ14	6×φ12	5.0	HD35-100
	105	2	8×φ14	6×φ13	5.5	HD35-105
XL3	85	2	6×φ14	4×φ12	4.5	XL30-85
	90	2	6×φ14	5×φ12	4.7	XL30-90
	95	2	7×φ14	5×φ12	4.9	XL30-95
	100	2	8×φ14	6×φ12	5.0	XL30-100
	105	2	8×φ14	6×φ13	5.5	XL30-105

 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HD45(DHD340A,Cop44)	105	2	6×φ14	5×φ13	8.5	HD45-105
	110	2	7×φ14	6×φ13	8.8	HD45-110
	115	2	8×φ14	7×φ13	9.0	HD45-115
	120	2	8×φ14	8×φ13	9.8	HD45-120
	127	3	9×φ14	9×φ14	11.0	HD45-127
SD4	105	2	6×φ14	5×φ13	9.0	SD4-105
	110	2	7×φ14	6×φ13	9.5	SD4-110
	115	2	8×φ14	7×φ13	9.8	SD4-115
	120	2	8×φ14	8×φ13	11.5	SD4-120
	127	3	9×φ14	9×φ14	12.3	SD4-127
QL40	105	2	6×φ14	5×φ13	9.0	QL40-105
	110	2	7×φ14	6×φ13	9.2	QL40-110
	115	2	8×φ14	7×φ13	9.5	QL40-115
	120	2	8×φ14	8×φ13	10.3	QL40-120
	127	3	9×φ14	9×φ14	11.5	QL40-127
Mission40	105	2	6×φ14	5×φ13	6.0	M40-105
	110	2	7×φ14	6×φ13	6.2	M40-110
	115	2	8×φ14	7×φ13	6.6	M40-115
	120	2	8×φ14	8×φ13	7.0	M40-120
	127	3	9×φ14	9×φ14	7.4	M40-127

 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HD55(DHD350R,Cop54)	133	2	7×φ16	6×φ14	16	HD55-130
	140	2	8×φ16	7×φ14	16.5	HD55-140
	146	2	8×φ16	8×φ14	17	HD55-146
	152	2	8×φ16	7×φ16	17.5	HD55-152
	165	2	8×φ16	8×φ16	18.5	HD55-165
SD5	133	2	7×φ16	6×φ14	15.5	SD5-130
	140	2	8×φ16	7×φ14	16	SD5-140
	146	2	8×φ16	8×φ14	16.5	SD5-146
	152	2	8×φ16	7×φ16	17	SD5-152
	165	2	8×φ16	8×φ16	18	SD5-165
QL50	133	2	7×φ16	6×φ14	15.5	QL50-130
	140	2	8×φ16	7×φ14	16	QL50-140
	146	2	8×φ16	8×φ14	16.5	QL50-146
	152	2	8×φ16	7×φ16	17	QL50-152
	165	2	8×φ16	8×φ16	18	QL50-165
Mission50	133	2	7×φ16	6×φ14	12.5	M50-130
	140	2	8×φ16	7×φ14	13.5	M50-140
	146	2	8×φ16	8×φ14	14	M50-146
	152	2	8×φ16	7×φ16	14.4	M50-152
	165	2	8×φ16	8×φ16	15.0	M50-165

 
 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HD65(DHD360,Cop64)	152	2	8×φ16	8×φ16	22.0	HD65-152
	165	2	8×φ18	8×φ16	24.0	HD65-165
	178	2	8×φ18	8×φ16	26.0	HD65-178
	190	3	9×φ18	9×φ16	28.0	HD65-190
	203	2	10×φ18	10×φ16	29.5	HD65-203
SD6	152	2	8×φ16	8×φ16	26.0	SD6-152
	165	2	8×φ18	8×φ16	27.0	SD6-165
	178	2	8×φ18	8×φ16	29.0	SD6-178
	190	3	9×φ18	9×φ16	32.0	SD6-190
	203	2	10×φ18	10×φ16	34.0	SD6-203
QL60	152	2	8×φ16	8×φ16	24.0	QL60-152
	165	2	8×φ18	8×φ16	25.0	QL60-165
	178	2	8×φ18	8×φ16	27.0	QL60-178
	190	3	9×φ18	9×φ16	29.0	QL60-190
	203	2	10×φ18	10×φ16	33.0	QL60-203
Mission60	152	2	8×φ16	8×φ16	22.0	M60-152
	165	2	8×φ18	8×φ16	23.0	M60-165
	178	2	8×φ18	8×φ16	24.0	M60-178
	190	3	9×φ18	9×φ16	25.0	M60-190
	203	2	10×φ18	10×φ16	28.0	M60-203

 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HD85(DHD380,Cop84)	195	3	9×φ18	9×φ18	34.0	HD85-195
	203	2	10×φ18	10×φ18	36.0	HD85-203
	216	3	12×φ18	12×φ18	45.0	HD85-216
	254	3	12×φ18	20×φ18	58.0	HD85-254
	305	4	12×φ18	30×φ18	75.0	HD85-305
SD8	195	3	9×φ18	9×φ18	33.0	SD8-195
	203	3	10×φ18	10×φ18	37.0	SD8-203
	216	4	12×φ18	12×φ18	42.0	SD8-216
	254	4	12×φ18	20×φ18	53.0	SD8-254
	305	4	12×φ18	30×φ18	80.0	SD8-305
QL80	195	3	9×φ18	9×φ18	33.0	QL80-195
	203	3	10×φ18	10×φ18	37.5	QL80-203
	216	4	12×φ18	12×φ18	42.0	QL80-216
	254	4	12×φ18	20×φ18	54.0	QL80-254
	305	4	12×φ18	30×φ18	82.0	QL80-305
Mission80	195	3	9×φ18	9×φ18	-	M80-195
	203	3	10×φ18	10×φ18	-	M80-203
	216	4	12×φ18	12×φ18	-	M80-216
	254	4	12×φ18	20×φ18	-	M80-254
	305	4	12×φ18	30×φ18	-	M80-305

 
 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
SD10	254	3	12*Φ18	20*Φ16	108	SD10-254
	305	4	12*Φ18	36*Φ16	125	SD10-305
	311	4	12*Φ18	36*Φ16	130	SD10-311
	318	4	12*Φ18	36*Φ16	142	SD10-318
	330	4	16*Φ18	42*Φ16	155	SD10-330
Numa100	254	3	12*Φ18	20*Φ16	90	Numa100-254
	305	4	12*Φ18	36*Φ16	102	Numa100-305
	311	4	12*Φ18	36*Φ16	104	Numa100-311
	318	4	12*Φ18	38*Φ16	106	Numa100-318
	330	4	14*Φ18	42*Φ16	112	Numa100-330

 
 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
DHD1120	305	4	12*Φ18	36*Φ16	152	DHD1120-305
	311	4	12*Φ18	36*Φ16	157	DHD1120-311
	330	4	16*Φ18	42*Φ16	165	DHD1120-330
	356	4	16*Φ19	42*Φ16	178	DHD1120-356
	381	4	16*Φ19	42*Φ18	198	DHD1120-381
SD12	305	4	12*Φ18	36*Φ16	156	SD12-305
	311	4	12*Φ18	36*Φ16	168	SD12-311
	330	4	16*Φ18	42*Φ16	180	SD12-330
	356	4	16*Φ19	48*Φ16	191	SD12-356
	381	4	16*Φ19	48*Φ18	200	SD12-381
NUMA120	305	4	12*Φ18	36*Φ16	152	N120-305
	311	4	12*Φ18	36*Φ16	158	N120-311
	330	4	16*Φ18	42*Φ16	165	N120-330
	356	4	16*Φ19	48*Φ16	178	N120-356
	381	4	16*Φ19	48*Φ18	195	N120-381
NUMA125	305	4	12*Φ18	36*Φ16	170	N120-305
	311	4	12*Φ18	36*Φ16	173	N120-311
	330	4	16*Φ18	42*Φ16	182	N120-330
	356	4	16*Φ19	48*Φ16	191	N120-356
	381	4	16*Φ19	48*Φ18	200	N120-381

 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HD275	311	3	15*Φ18	36*Φ16	205	HD275-331
	334	3	18*Φ19	44*Φ18	216	HD275-334
	356	3	18*Φ19	48*Φ18	225	HD275-356
	368	4	20*Φ19	50*Φ18	230	HD275-368
	381	4	20*Φ19	54*Φ19	236	HD275-381
HD330	381	4	20*Φ19	54*Φ18	297	HD330-381
	406	4	20*Φ19	58*Φ18	311	HD330-406
	431	4	20*Φ19	64*Φ18	324	HD330-431
	445	4	24*Φ20	72*Φ18	334	HD330-445
	470	4	24*Φ20	80*Φ18	347	HD330-470
HD475	495	4	24*Φ20	88*Φ18	710	HD475-495
	525	4	24*Φ20	100*Φ18	760	HD475-525
	580	4	24*Φ20	116*Φ18	855	HD475-580
	660	4	28*Φ20	140*Φ19	950	HD475-660
	680	4	28*Φ20	144*Φ19	968	HD475-680
HD525	711	4	28*Φ20	154*Φ19	1455	HD525-711
	762	4	32*Φ20	172*Φ19	1539	HD525-762
	780	4	32*Φ20	180*Φ19	1564	HD525-780
	825	4	36*Φ20	216*Φ19	1625	HD525-825
	998	4	40*Φ20	348*Φ19	1980	HD525-998

 

Drill Bit	Bit Dia.(mm)	NO.Air Holes	Gauge Buttons	Front Buttons	Weight(Kg)	Part No.
HRC	115	2	8*Φ14	8*Φ13	14	HRC45-115
	140	2	8*Φ16	8*Φ14	16.5	HRC45-140
	165	2	8*Φ18	8*Φ16	19.5	HRC45-165
Mic	133	2	8*Φ16	8*Φ14	17.5	HRC45-133
	140	2	8*Φ16	8*Φ14	18	HRC45-140
	146	2	8*Φ18	8*Φ14	20	HRC45-146
PR5	133	2	8*Φ16	8*Φ14	12.5	HRC45-133
	140	2	8*Φ16	8*Φ14	13	HRC45-140
	146	2	8*Φ18	8*Φ14	13.5	HRC45-146
PR4	115	2	8*Φ16	8*Φ13	14.4	HRC45-115
	127	2	8*Φ16	8*Φ14	15	HRC45-127
	133	2	8*Φ16	8*Φ14	15.5	HRC45-133