Wear-resistance DTH drill bit :
Our company uses high-quality raw materials and advanced production technology to produce high-quality series of down-the-hole drilling tools. At present, there are four types of end face designs used by down-the-hole drill bits: end face convex type, end face flat type, and end face deep concave center type.|
Atlas name
|
name
|
Diameter mm
|
length mm
|
Applicable impactor
|
|
DHD3.5-18A
|
DHD3.5-90 drill bit
|
90
|
244
|
DHD340A
|
|
DHD340A-15A
|
DHD340A-105 Bit
|
105
|
292
|
DHD340A
|
|
DHD340A-15B
|
DHD340A-115 Bit
|
115
|
290
|
DHD340A
|
|
DHD340A-15C
|
DHD340A-130 Bit
|
130
|
290
|
DHD340A
|
|
DHD350C-19B
|
DHD350-140 Bit
|
140
|
340
|
DHD350Q
|
|
DHD350R-17A
|
DHD350-138 Bit
|
138
|
349
|
DHD350R
|
|
|
DHD350-152 Bit
|
152
|
349
|
DHD350
|
|
DHD360-19A
|
DHD360-152 Bit
|
152
|
400
|
DHD360
|
|
DHD360-19B
|
DHD360-165 Bit
|
165
|
400
|
DHD360
|
|
DHD360-19I
|
DHD360-178 Bit
|
178
|
400
|
DHD360
|
|
|
DHD360-194 Bit
|
194
|
400
|
DHD360
|
|
DHD360-19C
|
DHD360-203 Bit
|
203
|
400
|
DHD360
|
|
|
DHD360-216 Bit
|
216
|
400
|
DHD360
|
|
|
DHD360-230 Bit
|
230
|
400
|
DHD360
|
|
DHD360-19J
|
DHD360-254 Bit
|
254
|
400
|
DHD360
|
|
|
DHD360-305 Bit
|
305
|
400
|
DHD360
|
|
|
DHD380-203 Bit
|
203
|
480
|
DHD380
|
|
|
DHD380-216 Bit
|
216
|
480
|
DHD380
|
|
|
DHD380-235 Bit
|
235
|
480
|
DHD380
|
|
|
DHD380-240 Bit
|
240
|
480
|
DHD380
|
|
|
DHD380-254 Bit
|
254
|
480
|
DHD380
|
|
|
DHD380-275 Bit
|
275
|
480
|
DHD380
|
|
|
DHD380-280 Bit
|
280
|
480
|
DHD380
|
|
|
DHD380-290 Bit
|
290
|
480
|
DHD380
|
|
|
DHD380-305 Bit
|
305
|
480
|
DHD380
|
|
|
DHD380-315 Bit
|
315
|
480
|
DHD380
|
|
|
DHD380-325 Bit
|
325
|
480
|
DHD380
|
|
|
DHD380-350 Bit
|
350
|
480
|
DHD380
|
1.advance technology &equipment , international standard
Products are widely used in well drilling, geological exploration, coal mines, mining stone, oil and gas mining, roads, railways,bridges, water conservancy and hydropower, engineering anchoring, construction and other industries.
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