Din 76-a Pdf [Tested & Working]

Since you need the data now , here are the standard undercut widths for metric threads (P = Pitch):

The standard uses the thread pitch (P) as the basis for calculating all other dimensions, including groove widths and radii (r). The latest 2025 edition includes a new optional dimension, x3 , specifically for rolled threads on solid shanks.

To help you get the exact data you need, could you clarify if you are looking for the dimensions of a (like M8 or M12)? I can also provide the details for Form C (internal threads) if your project involves tapped holes. Share public link din 76-a pdf

The transition area where the thread depth gradually decreases to zero.

(Undercut Width) : The linear distance the groove extends along the shaft. Since you need the data now , here

Used for external threads (e.g., bolts and screws). Form C & D: Used for internal threads (e.g., tapped holes).

The DIN 76-A PDF document can be obtained from various sources: I can also provide the details for Form

Short undercut for external threads (used when space is limited).

If you are currently setting up a CAD model or troubleshooting a manufacturing issue, let me know:

Typically applied to internal (female) thread undercuts. Looking for a DIN 76-A PDF?