Category Sourcing: Our topic overview

ODM vs. OEM: Choosing the Right Manufacturing Model

ODM or OEM: which manufacturing model fits your product, and what the choice means for tooling cost, time-to-market, and intellectual property.

Welding Processes Compared: MIG, MAG, TIG & More

Welding processes compared: MIG, MAG, TIG, and manual metal arc welding, including the DIN EN ISO 4063 process numbers for your drawing.

Fasteners & Joints: Overview & Selection Guide

Form-fit, force-fit, and material-fit joints compared: which type of fastener or joint suits which application?

Screws to DIN Standards: Types and Norms Overview

DIN 933, 912, 931 and more: which DIN standard belongs to which screw type, and how DIN and ISO designations relate to each other.

Surface Roughness: Ra, Rz and the New ISO 21920

Surface roughness explained: what Ra and Rz mean, which symbols apply on technical drawings, and what changed under the new ISO 21920 standard.

Undercut per DIN 509: Forms, Dimensions, Labeling

Undercut per DIN 509: the 4 forms E, F, G and H compared, how to read the drawing callout on a shaft, and what sets it apart from DIN 76 thread relief.