square arm Roller cone bit for piling

Category:

Description

Solidkey released square arm Roller cone bits for piling in 2013,it’s almost the first square arm Roller cone bit specially for piling and foundation in China and even in world.Then it  rapidly spread to South-East Asia and copied by many factories.It’s still hot selling until now because of high cost performance.So we name it Classical Roller Cone Bits.

Advantages:

1.There is three kinds of cones, cone 1, cone 2 and cone 3. Three cones interworking could realize much higher ROP than single type of cone.

2.According to rotary drilling rig working situation,we design bearing structure specially for piling.

3.High quality tungsten carbide inserts

4.Protections:gauge protection,hardfacing shirttail ,arm protection

5. Weld type and replaceable type

roller bit structure

roller bit structure

Journal sealed bearing

Journal sealed bearing

C133 series weld type

C133 series weld type

C142 series weld type

C142 series weld type

C142 series replaceable type

C142 series replaceable type

How to weld roller cone bits to core barrel?

Solidkey will offer detailed instruction through drawing or online.