Bulroc Shank Br1 0.75~1.75 MPa Middle Air Pressure Down The Hole Drilling Button Bit

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Bulroc Shank Br1 0.75~1.75 MPa Middle Air Pressure Down The Hole Drilling Button Bit

br1 DTH hammer bit

BR1,BR2,BR3 series DTH Hammers are designed to operate efficiently at low air pressure and medium air pressure, using BR series DTH bits.

The main features are as follows:

1. The operating air pressure are between 0.7Mpa and 1.75Mpa.

2. Valveless hammers.

3. Simple structure, easy to assemble and to disassemble, long life.

4. Higher impact frequency and faster drilling speed.

5. Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cutting discharge.

6. Especially suitable for quarrying.

Bulroc series (BR1, BR2, BR3) DTH Drill Button Bit:

Model	Diameter		No.*button dia. (mm)		No.	Weight
Model	mm	inch	gauge buttons	front buttons	flushing hole	kg
BR1	64	2 1/2	6*Φ10	3*Φ10	2	2.6
	70	2 3/4	6*Φ12	4*Φ9	2	2.8
	76	3	6*Φ12	5*Φ10	2	3.2
BR2	76	3	6*Φ12	5*Φ10	2	3.6
	80	-	6*Φ13	5*Φ10	2	4
	90	3 1/2	6*Φ13	6*Φ10	2	4.5
BR3	85	-	6*Φ13	4*Φ12	2	3.8
	90	3 9/16	6*Φ14	4*Φ12	2	4
	95	3 3/4	6*Φ14	5*Φ12	2	4.3
	100	3 15/16	8*Φ13	6*Φ13	2	4.8
	105	4 1/8	8*Φ13	6*Φ13	2	5.2

BR1 64mm dth hammer bits 3 Br1-76mm drill bits BR1hammerbits (1)

Drill Bits drill rod drilling tools Down The Hole Drilling Button Bit button bit DTH Button Bit

Bestlink Factory

Xiamen Bestlink Factory Co., Ltd is committed to provide the best drilling and cutting machine, tools and accessories products in marble and granite stone quarrying, as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite and ornamental stones in china.

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