High Air Pressure DTH Drilling Bit with DHD, Cop, Ql, SD, Mission, Numa Shank

• Certification: CE, ISO 9001:2000
• Standard: GB, GOST
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Applications: Coal, Ore, Water Well, Foundation
• Model NO.: DHD, COP, QL, SD, Mission, Numa, Br
• Delivery Time: in Stock or 15 Days
• Color: Optional
• Advantage: High Performance
• Transport Package: Plywood Case or Cartons
• Trademark: Hanlinsky
• Origin: China
• HS Code: 82071990
• Production Capacity: 6000 Pieces / Month

Product Description

Our Company
 
Hunan Hanlinsky International Corporation is a leading chinese supplier and supporter of high quality mining machineries, rock drilling tools, new materials, chemicals and relative services for mining industry. The corporation delivers the full, economical and sustainable solutions for global mining partners.


Description

Hanlinsky provides the full range of drilling bits for DTH Drilling, which are available with different diameters widely used in ore drilling, water well drilling, Geothermal drilling, foundation drilling and oil drilling.

For superior quality, high performance and economic operation, our DTH drill bits enjoy the great reputations from different countries, such as Australia, France, South Africa, Chile, Mexico, Russia, Kazakhstan and so on.

Please make a selection by your required bit diameter, shank type, face profile (flat, concave, convex, etc.), tungsten carbide insert profile (spherical, ballistic, etc.) and flushing holes.


Product Features

1. Ingenious Design, High Penetration Rate and Long Service Life.

2. Different product features match different rock formations.

3. High grade steel and advanced heat treatment offer Superior Wear Resistance.

4. Easy for Operation and Cost Effectiveness.


Specification
 

Diameter	No. x Button Diameter (mm)		Flushing Holes	Weight	Hammer Application
(mm)	Gauge	Front		(kg)
3" Range DTH Bits
85	6 × Φ13	4 × Φ12	2	4.5	HM30 / BR3 / DHD3.5 / IR3.5 / COP34
90	6 × Φ14	4 × Φ12	2	4.7
95	6 × Φ14	4 × Φ12	2	4.9
100	6 × Φ14	5 × Φ12	2	5.0
105	6 × Φ14	5 × Φ13	2	5.5
4" Range DTH Bits
105	6 × Φ14	5 × Φ13	2	9.0	HM45 / DHD340A / COP44 / SD4 / QL40 / HM4
110	7 × Φ14	6 × Φ13	2	9.2
115	7 × Φ14	6 × Φ13	2	9.5
120	8 × Φ14	7 × Φ13	2	10.3
127	8 × Φ14	7 × Φ13	2	11.5
5" Range DTH Bits
135	7 × Φ18	6 × Φ14	2	15.5	HM55 / DHD350R / SD5 / QL50 / HM5
140	7 × Φ18	7 × Φ14	2	16
146	7 × Φ18	7 × Φ14	2	16.5
152	8 × Φ18	8 × Φ14	2	17
165	8 × Φ18	8 × Φ16	2	18
6" Range DTH Bits
152	8 × Φ18	7 × Φ16	2	24	HM65 / DHD360 / COP64 / SD6 / QL60 / HM6
165	8 × Φ18	8 × Φ16	2	25
171	8 × Φ18	8 × Φ16	2	27
190	9 × Φ18	9 × Φ16	2	29
203	9 × Φ18	11 × Φ16	2	33
8" Range DTH Bits
203	10 × Φ18	10 × Φ16	2	35	HM85 / DHD380 / COP84 / SD8 / QL80 / HM8
216	10 × Φ18	12 × Φ16	2	49
241	12 × Φ18	18 × Φ16	2	64
254	12 × Φ18	21 × Φ16	3	71
305	12 × Φ18	29 × Φ16	4	95
12" Range DTH Bits
305	12 × Φ18	36 × Φ16	4	156	HM1120 / DHD1120 / SD12 / NUMA120 / NUMA125
311	12 × Φ18	36 × Φ16	4	168
330	16 × Φ18	42 × Φ16	4	180
356	16 × Φ19	48 × Φ16	4	191
381	16 × Φ19	48 × Φ18	4	200

Factory Overview