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Core Barrel with Bullet Bits

1.Applicable for strong rock up to 100MPa or rock with deep cracks.

2.Applicable for lightly reinforced concrete.

3.It can be used for drilling backfill layer, medium weathered rock, bedrock strata, large boulders and hard permafrost.

4.Core barrel with bullet bits is used for cutting an annular ring in rock or concrete.

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Core Barrel with Roller Bits

1.Cutting ring with rock drilling bits helps release the internal stress of rock

2.When drill in the full fracture rock layer, crossing cutter makes it easy to carry soil

3.Kelly box: 130mm,150mm,200mm(optional)

4.Barrel adopts spiral wear-resistant strips for anti-attrition to prolong the service life

5.Many alloy teeth are used for higher drilling efficiency

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Core Barrel with Cross Cutter

1.Cutting ring with rock drilling bits helps release the internal stress of rock

2.When drill in the full fracture rock layer, crossing cutter makes it easy to carry soil

3.Kelly box: 130mm,150mm,200mm(optional)

4.Barrel adopts spiral wear-resistant strips for anti-attrition to prolong the service life

5.Many alloy teeth are used for higher drilling efficiency

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Core barrel with Doubel Shell

1.The inner shell starts drilling first, the outer shell follows.

2.The cutting rings are attached with 21-70 rock drilling bits, this design releases the internal stress of rock.

3.These rock drilling bits perform stage breaking and foundation drilling.

4.The small inner core barrel facilitates the coring operation, the large outer barrel performs stage breaking.

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Coring Barrel

1.Movable square head, lock buckle is formed by key and key sleeve.

2.The square head is reversed and can be pressed down, the double doors are attached to the barrel wall, and the forward rotation can be drilled.

3.The square head is reversed and can be lifted up, the double doors are held together, and the soil is unloaded when reversed and pressed.

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Hunan SMSCC Heavy Industry Co., ltd

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Email: smscc@smsccdrill.com

North of sanjiaotang Road, Miluo Industrial Park, Changsha Economic Development Zone, Changsha, Hunan, China

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