5/8-18 x 7/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert is intended for shaft locations where the screw must clamp without the deliberate indentation of sharper point styles. Flat point geometry favors surface protection and repeatable adjustment rather than maximum bite into the mating part. Use the heat-treated alloy steel body with the nylon locking pellet where the application calls for mechanical fastening rather than stainless material.
Packaging equipment and indexing hardware may use the nylon insert where vibration can work against thread friction. ASME B18.3 places flat point diameter in a qualitative band of about 0.55-0.62 times nominal screw diameter, so confirm the mating seat rather than substituting a sharp point.
Large 5/8 flat point locking set screws are not always easy to source through general-line channels. Cold Headers supports industrial distributors, OEM buyers, and maintenance teams when a set screw must match the existing print. Check size, socket, pellet dimensions, and surface-marking tolerance before substitution.
Technical Highlights
- Point: Flat (full bearing face)
- Material: Alloy Steel
- Thread Size: 5/8-18
- Length: 7/16 in.
- Drive: Internal Hex
- Hex Key Size: 5/16 in.
- Locking Feature: Nylon insert providing prevailing torque
- Nylon Insert Diameter (P): 3/16 in.
- Nylon Insert Location (N): 11/32 in., +/-1/2 pitch
- Dimensional Standard: ASME B18.3
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
