5/16-18 x 5/16 Knurled Point 18-8 Stainless Steel Socket Set Screw is specified for shaft-mounted hardware when the drawing calls for a knurled point rather than a plain end.

In blind holes and collars, the knurled cup point can provide a self-locking bite through surface engagement rather than relying on an external head or washer.

The 18-8 stainless construction can be appropriate for instrumentation, packaging equipment, enclosures, and outdoor general-service hardware when the environment and load are compatible with the specified material.

Use cases for 5/16-18 x 5/16 include washdown-area machinery, outdoor service parts, and humid equipment rooms and washdown-area machinery, outdoor service parts, and humid equipment rooms where a headless internal-hex screw keeps the component exterior clear.

For 5/16-18, UNC has 18 threads per inch; check the 5/16 in. length against tapped depth and point location. Use the thread designation and length together when matching prints, service records, or prior purchase history. Cold Headers keeps material, point style, and size tied together so the requested product is easier to quote accurately.

Technical Highlights

• Point Style: Knurled Point
• Material: 18-8 Stainless Steel
• Thread Size: 5/16-18
• Length: 5/16 in.
• Thread Series: UNC
• Threads Per Inch: 18
• Drive Type: Internal Hex