Roller Bit

Core Barrel, Roller Bit, drilling bit, rotary drilling bit, tricone drill bit, tci bit

Rotary drilling rig bit can be also named Core Barrels, they are used to cut an annular ring in rock or concrete or reinforced concrete. The center core of the rock or concrete is usually crushed with rock auger. The most important advantage of a core barrel is that it assists to concentrate the torque and crowd force on a small ring of cutting teeth.

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Description

Core Barrel, Roller Bit, drilling bit, rotary drilling bit, tricone drill bit, tci bit

Product Details:

Place of Origin:	Tianjin, China (Mainland)
Brand Name:	GRAND
Certification:	ISO9001 ISO14001 API

Payment & Shipping Terms:

Minimum Order Quantity:	1 set
Packaging Details:	Wood box (free-fumigation)
Payment Terms:	T/T, L/C
Supply Ability:	500 Pieces per month

Detailed Product Description

Model Number:	Core Barrel With Roller Bit	Material:	Q345B 45# Alloy Steel
Color:	Requirement	Advantage:	Europe Standard High Quality
Application:	For Strong Rock Formations (Compressive Strength ≥130Mpa).	Kelly Box Type:	Bauer Sany Soilmec IMT...
Machine Type:	Rotary Drilling Rig	Size:	520mm-2500mm
Part Name:	Core Barrel With Drilling Teeth

Size	520mm-2000mm
Application	- For strong rock formations (Compressive strength ≥100Mpa).
Features	- Kelly Box size 130; 150; 200mm - Roller Bits are API Certificated, complete of bearing and carbide insert
Suitable for Rotary Drilling Rig	BAUER, SANY, XCMG, SOILMEC, MAIT, IMT.

Roller Bits
> API Certified
> Forging Process
> Welded Type or Replaceable Type
> Sealed Bearing And Tungsten Carbide Insert

Cutting Ring
> Material: Q345B
> Thickness: 30mm; 40mm
> Height: 170mm; 250mm: 400mm

Cylinder
> Material: Q345B
> Thickness:16mm, 20mm, 25mm, 30mm
> Height: 1200mm, 1500mm, 2400mm

Kelly Box
> Material: Q345B
> Plate weled type
> Size: 130mm, 150mm, 200mm

Core barrels are generally divided into two types:
1- Core barrel with bullet bits (Applicable for strong rock up to 100Mpa or rock with deep cracks)
2- Core barrel with roller bits (Applicable for very strong rock formations with Compressive strength greater than 100Mpa)

Cutting Diameter Range: 600-2500mm

Core Barrel with Roller Bit

Drilling Dia.(mm)	Barrel Length(mm)	Barrel Thickness(mm)	Roller Bit(pcs)
600	1200	16	4
700	1200	16	4
800	1200	16	6
900	1200	16	6
1000	1200	16	8
1200	1200	16	8
1250	1200	16	10
1300	1200	16	10
1400	1200	16	12
1500	1200	16	12
1600	1200	16	14
1800	1000	20	16
2000	800	20	18
2200	800	20	18
2500	800	20	20

Note

Core Barrel, Roller Bit, drilling bit, rotary drilling bit, tricone drill bit, tci bit, PDC bit, hybird PDC bit, drilling bit, rotary drilling bit, tri-cone drilling bit, HDD bit, HDD reamer

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Email: grand@grandbit.cn

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