Tabella Gola Uni Iso 4755 -

) for fasteners with external metric ISO threads. This "feature" is

Whenever you see a bolt that fits perfectly tight against a machine part, you are looking at the legacy of this 1980s standardization—a small groove that solved a massive industrial friction. ISO-4755-1983.pdf - iTeh Standards tabella gola uni iso 4755

) . Below are the typical recommended dimensions in millimeters: Undercut Diameter ( Undercut Length ( 0.4 0.5 0.7 0.8 1.0 1.25 1.5 1.75 2.0 Table data based on standard ISO 4755 dimensions . Key Design Rules Undercut Length ( ): Generally calculated as approximately times the thread pitch ( Transition Angle: A minimum transition angle of 30∘30 raised to the composed with power is typically maintained for the undercut profile. ) for fasteners with external metric ISO threads

The term "Tabella Gola Uni" translates to a specific type of mechanical or engineering table or chart used in industrial settings. While the direct translation might not fully encapsulate its use or function, it generally refers to a standardized table that provides crucial information or specifications for mechanical components, materials, or processes. Below are the typical recommended dimensions in millimeters:

The "Gola" in this context usually refers to the or cutting flute found at the tip of the screw.

🔧 Technical Deep Dive: Understanding the UNI ISO 4755 “Gola” (Thread Undercut)