Core Barrel - FIRMTECH

Core Baller for Kelly drilling

FIRMTECH > Product > Foundation tools > Drilling Tools > Core Barrel

Core Barrel with Replaceable Roller Bit——MH-3B

Feature

Kellybox 200 mm
Cutting ring with a staggered arrangement of roller bits
Replaceable type roller bit system easy and fast replacement of rollers with suitable tools
Outside helix and roller bit to optimize drilling performance

Core Barrel with Replaceable Roller Bit——MH-3C

Feature

Kellybox 200 mm
Cutting ring with a staggered arrangement of roller bits
Replaceable type roller bit system easy and fast replacement of rollers with suitable tools
Outside helix and roller bit to optimize drilling performance

Core Barrel with Round Shank Chisels

Feature

Cutting ring with rock drilling bits and releases the internal stress of rock
Rock drilling bits perform stage breaking and drilling
Small barrel facilitates the coring operation, large barrel performs stage breaking
Applicable payers: backfill layer, medium weathered rock, bedrock

Core Barrel with Welding Roller Bit

Feature

Cutting ring with rock drilling bits and releases the internal stress of rock
Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel
Small barrel facilitates the coring operation, large barrel performs stage breaking
Applicable layers: medium or slightly weathered rock, hard or superhard bedrock

CANGZHOU FIRMTECH DRILLING EQUIPMENT CO., LTD.

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