Down The Hole Drill Bit with Carbide Button

• Sizes: 2 Inch to 30 Inch
• Model: DHD3.5,DHD340,DHD350,DHD360,DHD380,Cop54,Cop64
• Color: Optional
• Quantity: Small Quantity Is Acceptable
• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Specification: Grade A
• Model NO.: SD, DHD, COP, Mach, QL,
• Trademark: sollroc
• Origin: Changsha, Hunan
• HS Code: 82071300
• Production Capacity: 5000 Per Month

Product Description

About us:

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.



Product specifications:
 

Bit shank	Bit Dia.		No. Air Holes	Gauge Buttons	Front Buttons	Weight (Kgs)	Part No.
	mm	inch
COP32,  COP34,  MACH303,  M30,  DHD3.5, BR3 QL30	85	3 11/32"	2	6×φ13	4×φ12	4.2	DHD35-85
	90	3 1/2"	2	6×φ14	4×φ12	4.5	DHD35-90
	95	3 3/4"	2	6×φ14	4×φ13	4.8	DHD35-95
	100	3 7/8"	2	8×φ12	6×φ12	5.0	DHD35-100
	105	4 1/8"	2	8×φ13	6×φ12	5.5	DHD35-105
COP44,  DHD340, MACH44,  SD4,  M40,  QL40, BR4	105	4 1/8"	2	6×φ14	5×φ13	9.0	DHD340-105
	110	4 1/4"	2	7×φ13	6×φ13	9.3	DHD340-110
	115	4 1/2"	2	7×φ14	6×φ13	10.0	DHD340-115
	120	4 3/4"	2	8×φ14	6×φ14	11.0	DHD340-120
	127	5	2	8×φ14	7×φ14	12.0	DHD340-127
COP54,  DHD350R,  COP54,  MACH50,  SD5,  M50,  QL50, BR5	133	5 1/4"	2	7×φ16	6×φ14	15.0	DHD350-133
	140	5 1/2"	2	7×φ18	7×φ14	16.0	DHD350-140
	146	5 3/4"	2	8×φ18	7×φ14	17.0	DHD350-146
	152	6"	2	8×φ18	8×φ14	17.5	DHD350-152
	165	6 1/2"	2	8×φ18	8×φ16	18.5	DHD350-165
COP64,  DHD360,  SD6,  M60,  QL60,  BR6	152	6"	2	8×φ16	8×φ16	26.0	DHD360-152
	165	6 1/2"	2	8×φ18	8×φ16	28.0	DHD360-165
	178	7"	2	8×φ18	8×φ18	30.5	DHD360-178
	190	7 1/2"	3	9×φ18	9×φ16	34.0	DHD360-190
	203	8"	3	9×φ18	9×φ18	36.0	DHD360-203
COP84,  DHD380,  SD8,  QL80, M80	195	7 11/16	3	9×φ18	9×φ16	32.0	DHD380-195
	203	8"	2	9×φ18	10×φ18	41.0	DHD380-203
	216	8 1/2"	2	10×φ18	12×φ16	49.0	DHD380-216
	254	10"	3	11×φ18	17×φ16	71.0	DHD380-254
	305	12"	4	12×φ18	29×φ16	95.0	DHD380-305
DHD1120 NUMA120, NUMA125 SD12	305	12"	4	12×φ18	36×φ16	152.0	DHD1120-305
	311	12 1/4"	4	12×φ18	36×φ16	157.0	DHD1120-311
	330	13"	4	16×φ18	42×φ16	165.0	DHD1120-330
	356	14"	4	16×φ19	48×φ16	178.0	DHD1120-356
	381	15"	4	16×φ19	48×φ18	198.0	DHD1120-381

 

shank can be available:

1), Dia. 64mm-70mm shank Bulroc BR1
2), Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3), Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4), Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5), Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6), Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7), Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8), Dia. 254mm-380mm shank SD10, Numa100
9), Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10), Dia. 405mm-864mm shank SD15, SD18
11), VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...


We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc


Product photos









Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.


Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.



Production time:

Generally need 15-25 days


Transportation:
By air, By Express or By sea according to your requests.