1/4-28 x 5/8 Half Dog Point Alloy Steel Socket Set Screw with Nylon Insert combines internal hex access, a half dog locating stub, and a nylon locking pellet in one headless fastener. This point style is chosen when repeatable angular or axial location matters more than a bite mark on an unprepared shaft.
Typical uses include indexed collars registering to drilled shafts, where the component must return to the same angular position after service. Check mating feature, hex access, screw length, and marking tolerance. Pelletized half dog screws combine positive register at the point with thread friction from the insert. This size is a hard-to-find nylon-insert half dog option, so keep the exact thread and length together when requesting a quote.
Cold Headers helps buyers keep the half dog point requirement visible when similar nylon-insert set screws are easy to confuse. Review insert dimensions, hex key size, and ASME B18.3 before ordering this alloy steel socket set screw.
Technical Highlights
- Point: Half Dog (short cylindrical locating stub)
- Material: Alloy Steel
- Thread Size: 1/4-28
- Length: 5/8 in.
- Drive: Internal Hex
- Hex Key Size: 1/8 in.
- Locking Feature: Nylon insert providing prevailing torque
- Nylon Insert Diameter (P): 7/64 in.
- Nylon Insert Location (N): 1/4 in., +/- 1/2 pitch
- Dimensional Standard: ASME B18.3
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
