Shank DHD 340 127mm Making Blast Holes Dth Button Bits
Brand Name:MIROC
Certification:ISO
Model Number:DHD340 127mm
Minimum Order Quantity:1 Pieces
Delivery Time:20-25 days
Place of Origin:CHINA
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Location:
Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details
Shank DHD340 127mm Making Blast Holes DTH Button Bits
1. Face convex type: This kind of drill bit is divided into two types, single boss and
double boss end face, the latter is mainly used for drill bit with
larger diameter. The end face convex type DTH drill bit can
maintain a high rock drilling rate when drilling hard and hard
abrasive rock, but the straightness of the drilling hole is poor,
and it is not suitable for rock drilling with high blast hole
flatness. engineering.
2. end face flat type: This shape of the drill bit is more durable, suitable for drilling
hard and extremely hard rock, but also suitable for drilling medium
and hard rock and soft rock with low flatness.
3. Concave face type: This shape has a conical concave part on the end face of the bit.
It is a bit of nucleation during the rock drilling process to
maintain the centering performance of the drill bit. The drill hole
has a good straight line. Degree, this drill bit has good drainage
effect and fast drilling speed. It is a dTH drill bit that is used
more on the market.
4. End face deep concave center type: The drill bit of this shape is evolved from the same type of ball
tooth bit, and the center end of the end face of the drill bit has
a deep concave central portion. It is used for nucleation during
rock drilling and ensures the straightness of the blasthole when
drilling deep holes. It is only suitable for drilling soft rock and
medium hard rock.
Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 95% against the original products
B. Price are competitive against the famous brands and best quality
against the small factory
Shank style | Diameter in mm | Flat face | Convex face | Concave face | Approx. weight | Part number |
DHD 340 | 105 | √ | √ | √ | 8.6 kgs | DHD340 -105 |
110 | √ | √ | √ | 8.8 kgs | DHD340-110 | |
115 | √ | √ | √ | 9.0 kgs | DHD340-115 | |
120 | √ | √ | √ | 9.5 kgs | DHD340-120 | |
127 | √ | √ | √ | 9.9 kgs | DHD340-127 |
Shank DHD 340 127mm Making Blast Holes Dth Button Bits
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