5/16-18 x 7/8 Cone Point Alloy Steel Socket Set Screw with Nylon Insert identifies the exact thread and length for a locking cone point set screw with internal hex installation. In a properly prepared seat, the conical point can resist rotation and axial slip through geometry rather than clamp friction alone. Use this alloy steel body with the nylon locking pellet where the drawing calls for a mechanical set screw, not a corrosion-focused stainless part.
Packaging machinery and indexing drives can benefit from internal hex access where exposed head clearance is unavailable.
Cold Headers supports exact-size and hard-to-find cone point nylon-insert sourcing for industrial repair, replacement, and production requirements. Review thread size, length, hex key size, point style, and mating-surface marking tolerance before replacing it with another set screw. The internal hex recess also keeps installation access compact when the screw is recessed in a hub or collar.
Technical Highlights
- Point: Cone (tapered conical point)
- Material: Alloy Steel
- Thread Size: 5/16-18
- Length: 7/8 in.
- Drive: Internal Hex
- Hex Key Size: 5/32 in.
- Locking Feature: Nylon insert providing prevailing torque
- Nylon Insert Diameter (P): 1/8 in.
- Nylon Insert Location (N): 19/64 in., ±1/2 pitch
- Dimensional Standard: ASME B18.3
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
