Br2-90 for Water Well Industries DTH Drill Bit

• Type: Drill Bit
• Material: Carbide
• Usage: Rock Drilling
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: BR2-90mm
• Model Number: Br2
• Diameter: 90mm
• Machine Type: Drilling Tool
• Processing: Forging
• Bit Face Type: Convex Face
• Transport Package: Wood Case
• Specification: HIGH QUALITY
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000pec/Months
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 7.000kg

Product Description

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/min
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.
 
We export DTH hammer and bits for almost thirty years.
DTH Hammer

Designed to suit high pressure drilling rigs.
» Water well drilling
» Record breaking penetration.
» Bench drilling
» Exploring Civil Engineering Applications
» Lowest cost per foot drilled.
» Mining /Mineral Exploration
» Simple & robust design. Exploring Civil Engineering Applications
» Oil well drilling
» Foot Valve not required in the bit.
» Longer parts life.


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