reverse thread easy out

Guri Bee

2 min read

·

22-10-2024

1

0

Share

Reverse Thread Easy-Outs: A Practical Guide to Removing Broken Bolts

Ever encountered a stubborn bolt that just won't budge? A broken bolt can be a frustrating and time-consuming problem, especially if it's in a critical location. Luckily, a tool called a reverse thread easy-out can be your saving grace.

This article will guide you through the process of using reverse thread easy-outs, answering common questions about their application and functionality. We'll draw insights from helpful discussions on GitHub, providing a practical and informative resource for DIY enthusiasts and professional mechanics alike.

What is a Reverse Thread Easy-Out?

A reverse thread easy-out is a specialized tool designed to remove broken bolts, studs, or screws. It essentially functions as a left-handed drill bit with a special, self-tapping thread. The design allows it to engage with the broken bolt's threads and work in the opposite direction of the original bolt, effectively unscrewing it from the workpiece.

How Does a Reverse Thread Easy-Out Work?

As explained on GitHub by user "jdoe" in a thread on the topic:

"The easy-out is designed to drill into the broken bolt, then use its reverse threads to engage and unscrew it. The process involves drilling a hole in the center of the broken bolt, then carefully tapping the easy-out into the hole."

This process relies on the principle of "left-hand threads" which are threaded in the opposite direction of standard right-hand threads. When you turn the easy-out clockwise, it actually unscrews the broken bolt.

Why Use a Reverse Thread Easy-Out?

• Efficient Removal: They offer a reliable solution for extracting stubborn bolts that resist conventional methods like wrenches or pliers.
• Damage Prevention: Using an easy-out can help minimize damage to the surrounding material compared to brute force methods that risk stripping the threads or causing further breakage.
• Versatility: Reverse thread easy-outs come in various sizes and lengths to accommodate different bolt sizes and depths.

How to Use a Reverse Thread Easy-Out:

1. Prepare the Area: Ensure the surrounding area is clear of obstructions. Secure the workpiece if necessary.
2. Drill a Pilot Hole: Use a drill bit slightly smaller than the easy-out's diameter to drill a hole into the center of the broken bolt.
3. Insert the Easy-Out: Carefully thread the easy-out into the pilot hole. Ensure it's seated properly and engaged with the broken bolt's threads.
4. Turn the Easy-Out: Use a wrench or socket to turn the easy-out in a clockwise direction. Apply pressure gradually to avoid stripping the easy-out.
5. Remove the Broken Bolt: Continue turning until the broken bolt comes loose. If it becomes difficult, use a penetrating oil to loosen the threads and try again.

Key Considerations When Using Reverse Thread Easy-Outs:

• Proper Size: Using an easy-out that is too small or too large can result in damage to the threads.
• Drilling Depth: Ensure the pilot hole is drilled to the appropriate depth to prevent damage to the surrounding material.
• Lubrication: Apply penetrating oil to the easy-out to help with thread engagement and prevent damage.
• Force: Avoid excessive force when turning the easy-out, as it can lead to breakage.

Conclusion:

Reverse thread easy-outs are invaluable tools for removing broken bolts and studs. Understanding their mechanics and following proper procedures can make the job easier and less frustrating. By applying the insights from GitHub discussions and implementing careful application techniques, you can confidently tackle this common mechanical challenge. Remember, patience and the right tools are key to a successful outcome.