How to Specify a Custom 6061-T6 Aluminum Fastener

This photographed part is a compact 6061-T6 aluminum fastener with a round head, threaded section, and smooth shank. Its geometry shows the details engineers should define before machining.

Product view: head, thread transition, and shank detail.

What the Design Shows

6061-T6 aluminum is often selected when a component needs a lightweight metal body and a repeatable machined form. In this example, the visible features include a broad round head, a short threaded zone, and a cylindrical unthreaded section. These details should be defined by drawing: head diameter, overall length, thread specification, shank diameter, edge condition, and required surface appearance.

6061-T6 AluminumCNC Turned GeometryRound HeadThreaded SectionCustom Dimensions

Engineering and Inspection Notes

For reliable production, the drawing should separate functional dimensions from cosmetic ones. Thread fit, head seating, and shank length affect assembly; burr removal and the requested finish affect handling and appearance. A ruler photo can communicate approximate scale, but it should not replace a controlled dimension. Before approval, compare the first article with the drawing and confirm the thread gauge, critical diameters, length, and visual cleanliness.