# Special Drill Bit with TiN Coating | 4.1 \u00d7 70 mm<\/p>\n
This detailed product description presents the high-quality special drill bit offered by Wiel\u00e4nder+Schill, which is an ideal choice for machining aluminum and steel. The drill bit features a titanium nitride (TiN) coating, which significantly increases the tool's lifespan and performance even during the most demanding tasks.<\/p>\n
## Overview and Application Area<\/p>\n
This special drill bit belongs to the tools category, more specifically among specialized tools and drills. It is specifically designed to provide excellent results when machining both **aluminum** and **steel**. The TiN coating ensures outstanding wear resistance and reduces friction, resulting in smoother drilling and longer tool life. An ideal choice for professional body repair shops and light industrial applications.<\/p>\n
## Main Features and Advantages<\/p>\n
The product's design and material guarantee reliable and efficient operation:<\/p>\n
* **TiN Coating:** The Titanium Nitride (TiN) coating forms a hard, wear-resistant layer on the HSS (High-Speed Steel) base material. This coating increases heat resistance and reduces tool adhesion to the machined material, enabling more precise and faster drilling.
\n* **Material Quality:** The drill bit is made of **HSS (High-Speed Steel)** material, which provides excellent toughness and flexibility while maintaining its sharpness even at high rotational speeds.
\n* **Two-Flute Design:** The two spiral grooves (Flutes: 2) allow for efficient chip evacuation, minimizing the risk of overheating and preventing the drill from getting stuck in the hole.
\n* **Optim\u00e1lis Fordulatsz\u00e1m:** A javasolt fordulatsz\u00e1m tartom\u00e1ny (800 – 1000 U\/min) biztos\u00edtja a szersz\u00e1m optim\u00e1lis teljes\u00edtm\u00e9ny\u00e9t \u00e9s \u00e9lettartam\u00e1t a megadott anyagokhoz.<\/p>\n
## Technical Data<\/p>\n
The table below summarizes the precise parameters of the special drill bit with article number 617220:<\/p>\n
| Property | Value | Comment |
\n| :— | :— | :— |
\n| **Part Number** | 617220 | Unique identifier |
\n| **Coating** | TiN (Titanium Nitride) | Excellent wear resistance |
\n| **Diameter (\u00d8)** | 4.1 mm | Precise drilling size |
\n| **Overall Length** | 70.0 mm | Total length of the tool |
\n| **Working Size** | 4.1 \u00d7 70 mm | Combination of diameter and length |
\n| **Material** | HSS (High-Speed Steel) | Robust base material |
\n| **Number of Flutes** | 2 | Efficient chip evacuation |
\n| **Recommended Speed** | 800 \u2013 1000 RPM | Optimal operating range |
\n| **Dimensions (L \u00d7 W \u00d7 H)** | 75.5 x 4 x 4 mm | Refers to packaging or storage size |
\n| **Weight** | 0.010 kg | Light weight |
\n| **Packaging** | 1 piece (1 st\u00fcck) | Unit package |<\/p>\n
## Further Selectable Dimensions<\/p>\n
The product family is also available in other sizes to meet different drilling requirements:<\/p>\n
* \u00d8 4.2 \u00d7 70 mm
\n* \u00d8 5.1 \u00d7 85 mm
\n* \u00d8 6.1 \u00d7 100 mm
\n* \u00d8 6.5 \u00d7 100 mm
\n* \u00d8 6.7 \u00d7 100 mm<\/p>\n
These variations allow the user to choose the tool with the most suitable diameter and length for the specific project, all in the customary TiN-coated quality.<\/p>\n
## Quality Assurance and Standards<\/p>\n
Wiel\u00e4nder+Schill is committed to the highest quality standards. Production processes and quality management are carried out according to strict international standards, which are also proven by the following certificates:<\/p>\n
* **ISO 9001:** Quality Management System Certificate.
\n* **ISO 14001:** Environmental Management System Certificate.<\/p>\n
These certificates guarantee that the product meets the strictest requirements not only in terms of performance but also in its manufacturing processes.<\/p>\n
This special drill bit is part of the Wiel\u00e4nder+Schill professional tool range, offering durable and reliable solutions for the automotive repair and metalworking sectors.<\/p>","protected":false},"excerpt":{"rendered":"
TiN coated special drill bit (4.1 \u00d7 70 mm) for precision drilling of aluminum and steel. Long-lasting, reliable tool.<\/p>","protected":false},"featured_media":341285,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1737],"product_cat":[19400],"product_tag":[],"class_list":["post-364544","product","type-product","status-publish","has-post-thumbnail","product_brand-wielanderschill","product_cat-alkatreszek-es-tartozekok","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/comments?post=364544"}],"version-history":[{"count":1,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364544\/revisions"}],"predecessor-version":[{"id":379971,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364544\/revisions\/379971"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media\/341285"}],"wp:attachment":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media?parent=364544"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_brand?post=364544"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_cat?post=364544"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_tag?post=364544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}