Nederlands | English | Deutsch | Türkçe

Project Sports

Questions and answers about sports

Help! I’ve rounded off my bolts!

4 min read

Asked by: Chris Vizitei

What do you do if you round off a bolt?

A quick way to get the bolt back to the good part of the threads is to wedge a small screwdriver or flat blade between the part and the bolt, nut, or screw head. Apply pressure to push the bolt out and unthread it. This works miracles. Sometimes the hole itself is stripped.

How do you remove a rounded bolt at home?


Quote from video: Now it's quite easy to round out a head of a screw. You can add extra traction by putting a rubber band over the top of that screw. And then leaning on your screw bits basically to undo.

How do you remove a rounded seized bolt?

Quote from video: Simply heat the nut or bolt until the metal glows. Red then use a suitable spanner to undo the bolt.

How do you get a stripped Allen screw out?

Heat works best to get a stripped allen screw out of metal.



Put on safety glasses and light a butane or propane torch. Hold the tip of the flame over the screw head for 5–10 seconds, but don’t let it get red hot. Put your allen wrench in the hole and try turning the screw or bolt counterclockwise to fully remove it.

How do you loosen a bolt that won’t budge?

To loosen a nut or bolt that won’t come off, start by spraying the connection with penetrating oil. Allow the oil to soak in for a time, then try loosening it with a wrench. To allow for more torque on the nut or bolt, slip a piece of metal pipe over the handle of the wrench to give you more leverage when turning it.

How do you unscrew a rusted bolt without wd40?

Hydrogen peroxide can dissolve rust. Applying hydrogen peroxide to the fasteners and letting it sit is also an effective method to remove rust and loosen nuts and bolts. Scouring it with a hard brush will help you get rid of all the rust left on the nuts and bolts.

How do you open a rounded nut?

Hold the handles and turn the nut counterclockwise.



Place your hand on the end of the handles so you have the most leverage. Use a firm amount of pressure to turn the nut counterclockwise. The nut should start to turn easily as long as it isn’t rusted. Try using a lubricant like WD-40 if the nut won’t turn.

Will heating a bolt loosen it?

For stubborn bolts, heat the bolt, then move the flame away and apply WD-40 against the heated bolt threads. The melting wax pulls itself into the threads to create a slippery surface. Keep open flames away from fuel and brake lines, rubber fittings and other flammable parts and materials.

How long does it take for wd40 to work?

Well, when it comes to making your choice of penetrating lubricant, a good product to use is WD-40 Specialist Penetrant. All you need to do is soak the screw with the WD-40 Specialist Penetrant spray and let it work its magic for about fifteen minutes or so.

How do you remove corroded bolts?

Quote from video: Step 4 when the bolt is cool enough to touch spray wd-40 on and around the nut and bolt. Step 5 tap the end of the bolt with a hammer to loosen the threads. And allow the oil to penetrate.

Does WD 40 Remove rust?

WD-40 can help remove rust from metals like iron, chrome, and stainless steel without further damaging the surface of the metal or removing the paint. The Multi-Use Product is great for loosening and removing excessive surface rust.

Does vinegar remove rust?

For more stubborn rust, try using white vinegar. The acetic acid in this common household product is acidic enough to dissolve rust. You can soak smaller things like earrings, wipe it onto a surface with an old cloth, or just pour it directly over rust spots or bolts and screws that have rusted together.

How do you restore rusted bolts and nuts?

Quote from video:

How do you remove a rusted bolt without breaking it?

5 tips for loosening rusted, corroded, and stubborn nuts and bolts

  1. Tip #1: Scrape away excess rust. …
  2. Tip #2: Soak the threads with Deep Creep. …
  3. Tip #3: Add extra torque. …
  4. Tip #4: Apply heat. …
  5. Tip #5: Use an impact tool. …
  6. Remove even the most stubborn fasteners with Deep Creep.


What do you spray on a bolt to loosen it?

To loosen these, an ideal solution for this is to use WD-40® Penetrant Spray. Simply apply the Penetrant Spray over the affected nuts and bolts, then tap them lightly using a hammer. This will help the product seep into the nuts and bolts’ fittings, allowing you remove the stuck fasteners.

How do you remove rusted bolts from concrete?

Usually, a screwdriver, pipe wrench, or vise grips can unthread the protruding bolt, leaving the female anchor flush with the concrete. If needed, a hammer can be used to knock the anchoring tube below the floor, and in some cases these tubes can simply be pulled out of the hole entirely.