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rock tools jack hammer drilling rod extension rod

Advantage:

1. In-house heat treatment ensures optimum surface hardness and case depth
2. 6 months warranty
3. Long Life Thread Connection
Specification
      DIAMETER       (INCH)
WALL THICKNESS
(INCH)
LENGTH
(FOOT)
WRENCHING
3
0.197
3.28-19.69
SQUARE 57 OR 64.5MM
3
0.236
3.28-19.69
SQUARE 57 OR 64.5MM
3
0.315
3.28-29.53
SQUARE 57 OR 64.5MM
3.5
0.236
3.28-19.69
SQUARE 70 OR 64 MM
3.5
0.236
3.28-19.69
SQUARE 70 OR 64 MM
3.5
0.315
3.28-31.5
SQUARE 70 OR 64 MM
3.5
0.315
3.28-31.5
SQUARE 70 OR 64 MM
4
0.315
3.28-29.53
SQUARE 76 OR 89 MM
4
0.394
3.28-29.53
SQUARE 76 OR 89 MM
4.5
0.236
4.92-25
89/95
4.5
0.315
4.92-30
89/95
More details please feel free to contact with us.


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