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Core Barrel with Replaceable Bullet Teeth/Roller Bits/wolf Teeth Foundation Bore Hole Use Core Barrel

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Core Barrel with Replaceable Bullet Teeth/Roller Bits/wolf Teeth Foundation Bore Hole Use Core Barrel

The core barrel with round shank chisel teeth was widely used for cutting medium weathered hard rock in deep foundation piling works, which could not cut into by the traditional drilling rock bucket .Piling contractors also use core barrel with cross cutting to breaking the core and extracting the rock with welding the wedge plate.

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Product Description

Foundation constrution interlock kelly bar for drilling rigs

Common Model of the kelly bar Unit :mm
O.D mm	No. of sections	L(m)	Types	Nominal drilling Depth(m)	Drilling rigs matched with
630	3,4,5,6	10~15	Interlock,Friction	36~143	Sany,XCMG,Yutong,CRRC
575	4,5,6	10~22	Interlock,Friction	36~122	XCMG,CRRC
559	3,4,5,6	10~20	Interlock,Friction	36~110	Bauer,Soilmec,Casagrande
540	3,4,5,6	10~20	Interlock,Friction	36~110	Jintai
530	3,4,5,6	10~20	Interlock,Friction	36~110	XCMG,CRRC,Zoomlion
508	3,4,5,6	10~17	Interlock,Friction	36~110	Casagrande.XCMG,CRRC,Yutong,Sany
470	3,4,5,6	10~17	Interlock,Friction	36~94	Bauer,Casagrande,XCMG,Yutong,CRRC
440	3,4,5,6	10~17	Interlock,Friction	36~94	Mait HR200,R180.Sunward,Yutong
427(419)	4,5,6	10~15	Interlock,Friction	36~85	CMV,IMT,Casagrande,XCMG
406(394)	4,5	10~17	Interlock,Friction	36~79	Bauer,Soilmec,CMV,IMT,XCMG
377(368)	4,5	10~14	Interlock,Friction	36~65	Bauer,Mait,XCMG,CRRC
355	4,5	10~13	Interlock,Friction	36~60	CMV,Soilmec
340	4	10~13	Interlock,Friction	36~48	Bauer
299	4	10~13	Interlock,Friction	36~48	Bauer,Soilmec,Sunward

kelly bar drill rig

drilling kelly bar

kelly bar drilling

Size Chart

Size Unit: mm

Cutting Dia.	Shell Dia.	Shell Hit.	Stiffening Ring Hit.	Shell Thk.	Stiffening Ring Thk.	Teeth No.
800	720	1800	250	20	45	11
1000	920	1800	250	20	45	15
1200	1120	1800	250	20	45	19
1400	1320	1500	250	20	45	23
1500	1420	1500	250	20	45	23
1600	1520	1500	250	20	45	27
1800	1720	1500	250	20	45	27
2000	1920	1500	250	20	45	31
2200	2120	1500	250	20	45	31
2400	2320	1500	250	20	45	35
2600	2520	1500	250	20	45	35
2800	2720	1500	250	20	45	39

Why Choose us

One of the leading manufacturers for drilling tools in China.The tools are famous for its fast drilling efficiency,durable and solid structure.

Real manufacturer , quick & straight cooperation save time and money.

Rich experienced R&D team, one-stop private foundation piling solution provided.
Factory closed to Yantian &Shekou Port in Shenzhen, convenient on exporting the heavy duty eqquipment.

About BAORUI

BAORUI drilling tools