How To Remove Sheared Bolt On Curt A16 Slider

Updated 09/29/2025 | Published 09/12/2025

Question:

On my Curt A16 slider, the Sholder Bolt sheared off and the roller wheel went rolling out. I believe the one side of the shoulder bold is threaded correct? To install another Shoulder Bolt, I first must remove the sheared off threaded portion thats still inside. Should I drill out the threaded section with an Easy Outinch or just drill it out with a small bit then try to back out the threaded section?

asked by: Ron

broken bolt
(click to enlarge)

Expert Reply:

Hey Ron, sorry to hear that happened. Broken bolts are always a pain. I would first try and extractor bit to see if you can get the sheared portion out without affecting the threading. If that doesn't work you will have to drill out the bolt. You might be able to use a small bit to drill out the center then pull the rest out. Just be careful not to damage the threading on the hitch because we would not want you to have to re-tap anything.

expert reply by: Jesse M

Jesse M.

9/29/2025

Hey Ron, did you have a chance to try using the extractor bit to remove the sheared bolt? I'm curious to know how it worked out for you, as it could help others facing a similar issue with their hitch.

Ron

9/29/2025

@JesseM I sent a couple responses, do you sell the shoulder bolt by itself?

Jesse M.

9/29/2025

@Ron Sorry, just saw this. Yes, we do carry the shoulder bolt and roller wheel by itself. Take a look at the following: - Replacement Roller Wheel and Shoulder Bolt for Curt A-, E-, Q-, or R-Series 5th Wheel Hitch - Qty 1 # C79UR

Ron

9/29/2025

@JesseM As you know, the shoulder bolt broke off right at the treads. The rest of the bolt fell out along with the roller. The threaded section was still stuck in the unit. I used a sharpend metal punch and struck the end of the broken bolt numeroius times trying to make a place a drill bit could start a hole. Key thing is use oil to cool the bit when drilling on a slow speed. Had to move up to a 1/8 bit. Drilled into the center about an 8th of an inch. I then used an EasyOut Bit and it grabbed the broken bolt and srewed it right out. Key point is to drill from the inside toward the outside as the treads with the Easyout turns that way. Integrity of the threaded hole was still intact. Just need to order Part Number: C79UR. Hope this helps anyone who has a similar issue. Ron