140mm DHD340 DTH bit for mining

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Company Information

Guizhou Sinodrills Equipment Co., Ltd.

CN Manufacturer, Trading Company
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Quick Details

Place of Origin: Guizhou China
Type: Drill Bit
Machine Type: Drilling Equipment
Certification: ISO9001
Material: Carbon Steel
Processing Type: Forging
Use: Ore Mining
Product name: 140mm DHD340 DTH bit for mining
Application: mining
Usage: down the hole drilling
Color: Orange
Diameter: 140mm
Face design: flat face, concave
Button shape: spherical
Shank: DHD340
Net weight.: 15KGS Approx.
Selling Units: Single item
Single volume: 1 cm
Single gross weight: 30 KG
Package Type: 140mm DHD340 DTH bit for mining packaged in cardboard and plywood case.


140mm DHD340 DTH bit for mining


Product Description



 DTH  drill bit advantage

1.Material: superior quality alloy steel which is made by Timken in U.S. 

2.Tungsten carbide: "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear.

3.higher and more reliable quality owing to the high-tech equipment and production technology.



The DHD340 DTH bit is the tool cutting rock. Sinodrills DHD340 DTH bit for mining is made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bit is using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear. In addition art manufacturing technology makes our DHD340 DTH bit for mining is with higher and more reliable quality.

Different face style makes DTH bit is suitable for various rock conditions.

Flat face: This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemi-spherical buttons design is the most popular choice.


Convex face: A classic design for soft to medium hard rock formation which is not so abrasive. This design have very excellent penetration rate but poor in hole deviation if rocks are hard.


Concave face: Medium hard to hard rock formations which is less abrasive and fractured. Especially for deep hole drilling, excellent control over hole deviation.




DTH bits face and button selection



dth bits design.pngdth button bits buttons.png



DHD series dth button bit specification:

Shank styleDiameter in mmFlat faceConvex faceConcave faceApprox. weightPart number
DHD3.585 5.0 kgsDHD3.5-85
90 5.8 kgsDHD3.5-90
95 5.9 kgsDHD3.5-95
1006.1 kgsDHD3.5-100
1056.3 kgsDHD3.5-105
DHD3401058.6 kgsDHD340 -105
1108.8 kgsDHD340-110
1159.0 kgsDHD340-115
1209.5 kgsDHD340-120
1279.9 kgsDHD340-127
DHD35013516.2 kgsDHD350-135
14016.5 kgsDHD350-140
14617.0 kgsDHD350-146
15217.8 kgsDHD350-152
16518.5 kgsDHD350-165
16525.2 kgsDHD360-165
17125.8 kgsDHD360-171
19028.5 kgsDHD360-190
20329.5 kgsDHD360-203
DHD380203 48.1 kgsDHD380-203
216 52.0 kgsDHD380-216
241 58.7kgsDHD380-241
254 60.4 kgsDHD380-254
292 80.1 kgsDHD380-292
Flat face:  DHD340 DTH BIT 140MM FF 1.jpg
Concave face :
DHD340 DTH BIT 140MM CC 1.jpg
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