We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A shallow V shape, calling for a conical widening at a hole's mouth.
Also known as: V shape drawing symbol, Chamfered hole symbol
A shallow V calls for a countersink: a conical widening so a tapered screw head sits flush. Like the counterbore symbol it is a picture of the hole in section.
Calls for a conical widening at the mouth of a hole so a tapered screw head sits flush with or below the surface.
Contexts: Technical drawing
Is followed by an included angle as well as a diameter, since a countersink is defined by both and a wrong angle leaves the head proud.
Contexts: Technical drawing
Two short strokes meeting at a shallow angle at the bottom, forming a wide V open at the top.
Flat bottom against angled bottom.