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BR2 90mm down hole hammers

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BR2 90mm down hole hammers

China BR2 90mm down hole hammers supplier

Large Image :  BR2 90mm down hole hammers

Product Details:

Place of Origin: China
Brand Name: Prodrill
Certification: ISO9001
Model Number: BR2

Payment & Shipping Terms:

Minimum Order Quantity: 1 set
Price: usd300/set
Packaging Details: wooden box
Delivery Time: 10-15
Payment Terms: T/T
Supply Ability: 1000sets/month
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Detailed Product Description
Type: Drill Bit Machine Type: Drilling Tool
Material: Carbide Processing Type: Forging
Use: Coal Mining

BR1, BR2, BR3 is low pressure and mdedium pressure hammer using BR series bits.
It is valveless hammer, especially suitable for quarrying.

BR1 hammer technical data:

Length(without bits): 880mm
Weight(without bits): 14.5kg
External diameter: 62mm
Shank: Bulroc BR2
Hole range: 70mm-90mm
Connection thread: RD50 BOX
Working pressure: 7-17.5 bar
Impact rate ar 14 bar: 25Hz
Recmmended rotation speed: 25-40r/minaa

 

Air consumption:
At 7 bar: 2.5m3/min
At 10 bar: 4m3/min
At 14 bar: 5m3/min

We can prodive DTH bits for BR2 hammer diameter: 70mm, 76mm, 80mm, 85mm, 90mm  customers' design is avaible.

 

BR 2 BIT

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.

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

 

Contact Details
Xiamen Prodrill Equipment Co., Ltd

Contact Person: Mr. Simon Hu

Tel: 86-592-5187313

Fax: 86-592-5162951

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