Selected for shaft-mounted and adjustment applications, 1/4-28 x 3 1/4 Alloy Steel Cup Point Socket Set Screw uses a cup point end form to concentrate contact at the screw tip.

Applications often include fixtures, brackets, and production equipment, where a set screw secures or adjusts a mating component. The internal hex recess gives the installer controlled drive engagement while keeping the fastener profile inside the tapped component.

The verified dimensions below help engineering and purchasing teams compare the screw to the application before ordering. Always confirm that the cup point contact is acceptable for the mating component and service conditions. The point geometry is intended for applications where localized contact is part of the retaining method, not for assemblies that require a nonmarking tip. Cold Headers helps match set screw thread, length, point style, and socket drive details for industrial purchasing and repair work.

Technical Highlights

• Material: Alloy Steel
• Thread Size: 1/4-28
• Length: 3 1/4 in.
• Point Style: Cup Point
• Nominal Screw Diameter: 0.250 in.
• Hex Socket Size: 1/8 in.
• Cup Point Diameter: 0.118-0.132 in.
• Drive Type: Internal Hex

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.