Introduction

Unior factory was established in 1919 in the city of Zre?e, former Yugoslavia. Currently, the products of this company are in accordance with the highest existing standards in Europe and rely on the most advanced machines in the world and complex computer modeling software using steel with special properties and very high hardness to provide professional consumers with tools (with very long life) is being produced. The production tools of this company are produced based on ISO, DIN and VDE standards. Attention to the needs of users, continuous improvement of materials, new ergonomic solutions and attention to all aspects of safety have made this company a true partner of professional tool users for decades, and its products are sold throughout Europe, the United States, Australia, Russia, China and the Middle East are being offered.
The mandrel code 642/6-3030 is one of the products of Univer company, which can be used to determine the exact location of drilling and marking and prevent the drill from slipping and creating Prevents damage to the surface. This product is made of resistant steel and its length is 100 mm.