High pressure the hard rock masonry atlas copco quality drill bit 

• Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
•  Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock

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Specification of High pressure the hard rock masonry atlas copco quality drill bit 

1.With carbide buttons hot pressed on bits bodies, Tapered Button Bits have a very good drilling performance and long life time. Different diameters and taper degrees are available to suit different applications in mining, quarrying etc. We can supply long skirt and short skirt Tapered Button Bits.

2.Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much

    longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the

    users.

3.Tapered equipment affords drillers the ability to change drilling bits whilst still using the same

   drilling rod. Drillers choose tapered button bits for faster drilling penetration rate. Different taper

   sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will

   prevent the bit from spinning.

4 • Suitable for small hole range

   • Widely used in Dimensional Stone Quarrying Industry
   • Widely used in Underground Mining Industry 

Techonical parameters of High pressure the hard rock masonry atlas copco quality drill bit 

	High pressure the hard rock masonry atlas copco quality drill bit	Diameter(mm/inch)	Button quality	DTH hammer	Carbide shape	Package
		76/2.99	Front:3pcs Gauge:5Pcs	CIR76	Ballistic	5/ctn
		90/3.54	Front:4pcs Gauge:6Pcs	CIR90		6/ctn
		100/3.94	Front:5pcs Gauge:6Pcs	CIR90		5/ctn
		110/4.33	Front:7pcs Gauge:6Pcs	CIR90		4/ctn
		120/4.72	Front:8pcs Gauge:6Pcs	CIR90/CIR110		3/ctn
		130/5.12	Front:8pcs Gauge:7Pcs	CIR90/CIR110		3/ctn
		140/5.51	Front:8pcs Gauge:7Pcs	CIR90/CIR110		3/ctn
		150/5.91	Front:10pcs Gauge:9Pcs	CIR90/CIR110		3/ctn