Bits for rock drill,rock drill bits

Rock Drill Bits atlas copco button 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. • Recommended for eliminating hole deviation • Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock

Product Name:	Rock Drill Bits atlas copco button bit
Description:	For different rock hardness mining,tunneling,quarrying button bit Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment.
Material:	Alloy steel bar and tungsten carbide bit
MOQ:	trial order 1-5pcs
Body Type	Normal type and retract type
Thread type	R25,R28,R32,R38,T38,T45,T51,ST58,ST68
Diameter	32mm-152mm
Button bit shape	Spherical and Ballistic
Face shape	Flat shape and Drop-center shape

  Rock Drill Bits atlas copco button bit and Insert types Spherical Button Characteristics
1.Universal button
2.Good wear resistance
3.Best suited for hard ground
4.27000-48000PSI(180 to 320Mpa)
5.Suited for abrasive to very abrasive drilling conditions       Ballistic Button Characteristics
1.Fast Penetration
2.Best suited for soft rock
3.10000-20000PSI(70 to 140Mpa)
4.Suited for non-abrasive drilling conditions   Applications of  rock drilling tools • Underground mining • Tunneling,quarrying   Quick detail of retract button bit:   •  Widely used drifting and tunneling   •  Bit face design is ideal for soft to medium rock formations   •  With retrac wings to help guide the bit in and out of the hole   •  Effective in straight hole drilling       Specification of retrac button bits     Rock Drill Bits atlas copco button bit Factory:                       Quality Drilling tools Manufacturer In China  -FAQ   Payment terms:100% by TT ,   Delivery time:10 days after deposit   Supply ability:1000 pcs per month.       If you want to get more information,please contact me.   Name:Eric Qin    Skype id:hargrand163