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China Helicoil Thread Repair Kit - Quality Suppliers & Factory Installation Tools for Efficient Thread Repair
Wire thread insert
Material: Most are made of high-quality 304 or 316 stainless steel, offering exceptional strength, elasticity, and excellent corrosion resistance. A few kits may be made of carbon steel (with surface treatment) or copper alloy.
Types: Typically available in free-running and screw-lock types. The screw-lock type has a tapered section in the middle of the insert, preventing loosening due to vibration.
Specifications: Sets typically focus on one or a few common sizes (e.g., M4-M8) and include inserts of various sizes.
Specialized Installation Tools
Tap: Used to create the specific threaded holes required for installing wire thread inserts. The tap is clearly marked with the corresponding wire thread insert size.
Insertion Tool: Typically a handle with a guide rod. The insert is placed on the guide rod and then rotated clockwise to insert it into the tapped hole.
Removal Tool: Used to remove damaged or improperly installed inserts. The guide rod is designed with reverse threads, allowing it to hook onto the insert's mounting handle and be removed by rotating counterclockwise.
What materials are wire thread inserts typically made of?
Most wire thread inserts are made of high-quality 304 or 316 stainless steel, offering exceptional strength, elasticity, and excellent corrosion resistance. Some kits may also include inserts made of carbon steel (with surface treatment) or copper alloy.
What is the difference between free-running and screw-lock wire thread inserts?
The screw-lock type features a tapered section in the middle of the insert, which helps prevent loosening due to vibration, whereas free-running types do not have this locking mechanism.
What is the purpose of the specialized tap in the kit?
The tap is used to create the specific threaded holes required for installing the wire thread inserts. It is clearly marked with the corresponding insert size for easy identification.
How do you install a wire thread insert using the insertion tool?
To install the insert, place it onto the guide rod of the insertion tool handle, and then rotate it clockwise to drive it into the pre-tapped hole.
How does the removal tool work for wire thread inserts?
The removal tool has a guide rod designed with reverse threads. This allows it to hook onto the insert's mounting handle so you can safely extract it by rotating counterclockwise.