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  • Circle Wrench
  • Circle Wrench
Circle Wrench Circle Wrench

Circle Wrench

 Circle Wrench

Manufactured with advanced technique, circle wrenches can avoid damage to rods and bit, they are especially fit to screw up and off rods

1): outer tube circle wrench
The outer circle wrench is mainly used to manually screw and unscrew drill rods, outer and inner tubes and casing tubes
It is quite appropriate to be used in mine drilling field, and it is capable of improving drilling efficiency. It causes no harm to pipes. Its holding force is big and no skidding (slipping) with happen when using it
Its main components include steel chain and slips

Specification:
Out tube circle wrench for BQ drill rods – 3.8kg
Out tube circle wrench for NQ drill rods – 4.0kg
Out tube circle wrench for HQ drill rods – 6.5kg
Out tube circle wrench for PQ drill rods – 7.2kg

Circle Wrench

 

2): inner tube circle wrench

The inner tube circle wrench is specially used to manually screw and unscrew inner tubes of double-pipe assembly in the field of mine drilling. It is safe to use, and capable of saving labor, and causing no harm to pipes. It is light in weight and large in gripping force. No slipping will be happened
 

Specification

Inner tube circle wrench for BQ drill rods
Inner tube circle wrench for NQ drill rods
Inner tube circle wrench for HQ drill rods
Inner tube circle wrench for PQ drill rods

 
Circle Wrench
 

3): casing tube circle wrench

The casing tube circle wrench is a kind of tool to screw and unscrew casing tubes in the double-pipe assembly. It’s mainly composed of steel chain and alloy steel slips
It can help to enhance the drilling efficiency and it is easy to utilize

Technical parameter

Specification

Sizes

Alloy free clamp (drill rod wrench)

Φ54

Φ55.5 (BQ)

Φ71/Φ73 (NQ)

Φ89 (HQ)

Diamond circle wrench (inner tube circle wrench)

Φ41

Φ43

Φ56

Φ73

Φ89

Casing tube circle wrench

Φ57/44

Φ56/46

Φ66/76

Φ73/89

Φ89/108

Φ108/127

Φ127/146

Φ146/168

Φ168/194

Φ194/219

Φ219/173

Φ273/325

Drilling pipe wrench

Φ42

Φ43

Φ50

Φ60


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