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DTH hammer
·SPECIFICATIONS:
Description Unit TA623 TA628 TA620 TA630
Weight(withoutBit) kg 24 39.1 38.9 50
Length Bit extension mm   1191 1161 1110
Bit draw back mm   1168 1138 1090
Working pressure Mpa 0.49~0.7 0.63~1.6 0.63~2.45 0.63~2.1
Square drive size mm 90 76 75 75
Connection thread   Font.Φ76×10 API 23/8(External threads) API 23/8(internal screw thread API 23/8(External threads)
Bit size   Φ110~Φ120 Φ115~Φ130 Φ105~Φ115 Φ130~Φ150

 

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