Outer / Inner Tube Circle Wrench Diamond Drilling Pipe Metal Material Anti Corresion
1~5 pcs
Outer / Inner Tube Circle Wrench Diamond Drilling Pipe Metal Material Anti Corresion
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: NQ, HQ, PQ
High Light:

triple tube core barrel


drilling core barrel

Payment & Shipping Terms
Packaging Details: Carton Box
Supply Ability: 1000000 pcs
Name: Circle Wrench
Item: Diamond Circle Wrench
Type: Casing Circle Wrench
Model: Drill Rod Circle Wrench
Series: Casing Pipe Circle Wrench
Model Name: Drill Pipe Wrenches
Item No.: Full Grip BQ NQ HQ PQ Casing Drill Rod Wrench
Supplier: Circle Wrench, Circle Wrench Suppliers And Manufacturers
Series Item: Inner Tube /outer Tube Wrenches
Series No.: Drill Rod Wrench Circle Wrench
Type Model: Wireline Core Barrel Outer Tube Circle Wrench
Series Model: Wireline Core Barrel Inner Tube Circle Wrench
Product Description

Circle Wrench Diamond Drilling Pipe Used for Core Barrel Outer Tube, Inner Tube


Drill pipe Circle wrench main application fields include geological exploration, geological exploration, hydrogeology, metallurgy, water wells, coal industry.

Circle wrench are tools dedicated to manual unscrewing of drilling tools in core drilling. Unscrew the shank drill rod free forceps of the drill pipe, and unscrew the sleeve free clamp of the casing and core tube.


Roschen provide three kinds of circle wrenches for customers all over the world: diamond, inner tube and casing tube of types.

Our diamond circle wrench is packed by export-standard plywood box.

1. Outer tube
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) will happen when using it.

Its main components include steel chain and slips.

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 happen.

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.

Circle Wrench of Technical Parameters:
Product name Specification
Alloy free clamp (drill rod wrench) Φ54
Φ55.5 (BQ) Φ71/Φ73 (NQ)
Φ89 (HQ)
Diamond circle wrench (inner tube circle wrench) Φ56
Casing tube circle wrench Φ108/127 Φ127/146
Drilling pipe wrench Φ50



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