Rock Core Barrel with Roller Bits for Piling Foundation

• Certification: ISO 9001:2000, ISO 9001:2008
• Standard: AISI
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Stainless Steel
• Transport Package: Wooden Box
• Model NO.: 500-2500
• Trademark: Superior
• Origin: China
• Production Capacity: 4000 Pieces Per Year

Product Description

Rock Core Barrel with Roller Bits
Structural Features:

1. The rock core barrel with roller bits has design of a straight barrel and its open typed low part, whose ring edge is equipped with roller bits, facilitates entrance of slags.
2. Different from the full face drilling bucket, the rock core barrel with roller bits is in circular drilling manner, having high efficiency of drilling in rocks. The complete columnar dyke goes into the barrel during drilling.
3. Applicable Formations: drilling in slightly weathered rocks, boulder, hard bedrock.

Technical Specifications of Rock Core Barrel with Roller Bits
Dia.(mm)	OD of Barrel(mm)	Teeth Height(mm)	Barrel Height	Bullet Teeth Count
Barrel-type Bit φ600	520	1,620	1,200	7
Barrel-type Bit φ800	720	1,620	1,200	9
Barrel-type Bit φ1,000	920	1,620	1,200	9
Barrel-type Bit φ1,200	1,120	1,620	1,200	12
Barrel-type Bit φ1,500	1,420	1,620	1,200	15
Barrel-type Bit φ1,800	1,720	1,620	1,200	18
Barrel-type Bit φ2,000	1,920	1,620	1,200	21
Barrel-type Bit φ2,200	2,120	1,620	1,200	21
Barrel-type Bit φ2,500	2,420	1,620	1,200	21