Bulroc Medium Air Pressure Down The Hole Drilling DTH Button Bit

• Certification: ISO 9001:2000
• Standard: GB, GOST
• Surface Treatment: Spray-Paint
• Manufacturing Process: Casting
• Material: Alloy Steel
• Color: on Request
• Model NO.: BR1, BR2, BR3, BR33
• Condition: 100% New
• Delivery: 25-30days
• MOQ: 1PCS
• After Sale Service: Yes
• OEM/ODM: Yes
• Transport Package: Carton
• Specification: 76-110MM
• Trademark: SANSUNG
• Origin: China
• HS Code: 82071300
• Production Capacity: 30000 PCS/Year

Product Description

Sansung company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.

Drill and blast engineers and water well contractors trust Sansung's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.

 

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
	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