Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Buyers Products · Hardware & Fasteners
#38
In stock · ships from Knoxville
This is a cup-point Allen head set screw with 3/8-16 UNC threads and a 3/8 inch length.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Primarily used in driveline components. Verify thread size and point type before installation.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 2 of 2.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It's commonly used to lock drive shaft yokes, slip joints, or other shaft-mounted components on heavy-duty trucks and trailers. The cup point bites into the shaft to prevent loosening under vibration. Replace it when the hex socket is stripped or the point is worn down.
Part Number: #38
SET SCREW
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more