Br1br2 Br3 76-90mm Deep Hole DTH Bits for Drilling Hole

Product Details
Customization: Available
Material: Carbide
Shank Style: Br2 DTH Button Bits

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  • Br1br2 Br3 76-90mm Deep Hole DTH Bits for Drilling Hole
  • Br1br2 Br3 76-90mm Deep Hole DTH Bits for Drilling Hole
  • Br1br2 Br3 76-90mm Deep Hole DTH Bits for Drilling Hole
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Basic Info.

Diameter
76mm
Processing
Forging
Face
Rocket
Gauge Button
6*13mm
Face Button
3*13mm
Flushing Holes No.
3
Transport Package
Wood Package
Specification
CE, SGS, ISO: 9001
Trademark
PRODRILL
Origin
China
HS Code
82071990
Production Capacity
10000PCS/Months

Product Description

Br1br2 Br3 76-90mm Deep Hole DTH Bits

Rock drilling tools factory ProDrill manufactures DTH Hammer Bits with BR shank type are available in a various range of sizes and with a number of custom design features for optimum performance in a rock formation, designed to match all conceivable applications for water well industries, stone quarrying, mining and construction.

Shank type: BR2, BR3; and DTH drill bits hole diameter: 3", 4", 5", 6", 8"(85mm-350mm).

Convex Face

A classic design of rock drill bits 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.

For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and  may reduce the load and wear on the gauge buttons, but poor hole deviation control.

Semi-Ballistic/Parabolic Buttons

Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.


Br1br2 Br3 76-90mm Deep Hole DTH Bits for Drilling Hole

BR 2 Bits are available in diameter range between 76-90mm. these bits have 3 flushing holes and are available in three bit face styles: flat, concave,convex and in three carbides shape of DTH buttons: Dome, Parabolic(Semi-Ballistic), Ballistic.

BR2 DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure 
consistent  performance. BR2 DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate. 

Specification
 
                                                     2 inches DTH hammer button bits
Shank style Diameter in mm Flushing holes No. Gauge buttons Face buttons Approx weight
 
BR2
76 3 6*13mm 3*13mm 3.6kg
80 3 6*14mm 3*13mm 4.0kg
90 3 6*14mm 5*12mm 4.2kg
                                                      3 inches DTH hammer button bits
Shank style Diameter in mm Flushing holes No. Gauge buttons Face buttons Approx. weight
 
BR3
85 2 6*13mm 4*12mm 3.8kg
90 2 7*13mm 5*12mm 4.0kg
95 2 7*13mm 6*12mm 4.3kg
100 2 7*13mm 6*12mm 4.8kg
105 2 8*12mm 7*12mm 5.2kg

 

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