5-40 x 5/16 Half Dog Point Alloy Steel Socket Set Screw helps keep point style, material, diameter, and length tied together during sourcing.

The shortened pilot can help align or retain parts while reducing projection beyond the receiving hole, slot, or keyway.

Alloy steel construction belongs with set screw requirements where the design depends on the specified material and dog-style pilot geometry.

Typical review areas for 5-40 x 5/16 include brackets, stops, and parts with prepared receiving features and machine controls, stops, and register features where the blunt pilot is part of the assembly fit.

Thread arithmetic for 5-40: 40 TPI in the UNC series; compare the 5/16 in. length with tapped depth and pilot reach. For short-pilot replacements, confirm the receiving feature before changing to another point family. Cold Headers has supplied specialty socket fasteners since 1962, including unusual locating set screw configurations.

Technical Highlights

• Point Style: Half Dog Point
• Material: Alloy Steel
• Thread Size: 5-40
• Length: 5/16 in.
• Thread Series: UNC
• Threads Per Inch: 40
• Drive Type: Internal Hex