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CARQUEST
Full-Ball Metal Stud
- Consistent-dimension forged alloy steel construction eliminates
taper-end machining.
- Precision stud tapers eliminate
"stud rock" in the mating hole.
- CARQUEST-specified fine grain steel for strength and consistency.
 CARQUEST ball construction offers excellent core ductility with a hard, heat-treated outer shell.
- Stud swing design is application-specific; meets or exceeds OE standards for travel and stud pullout.
- In some instances, CARQUEST full-diameter stud shanks measure thicker than undercut studs, enhancing strength.
- Shot-peened CARQUEST undercuts, where
applicable add strength.
- Grease grooves help to ensure
lubrication flow and enhance component life.
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Competitive Comparison |
Poor Fit / Stud Breakage / Joint Separation
 Machining the stud taper can leave crack-prone stress risers that may lead to stud fracture.
- Incorrect stud tapers can cause stud fracture and
possible steering loss.
- Improper heat-treating can result in cracked/broken studs and
steering loss.
- Too little stud-swing levers the stud against its housing, which can lead to stud cam-out, resulting in steering failure.
- Overly aggressive stud undercutting for added swing reduces stud diameter and strength while creating stress risers.
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