# Contact Screw | Electrode Set Size 7 \/ 9 (Part Number: 495693)<\/p>\n
This detailed product description presents a screw pin from the Wiel\u00e4nder+Schill professional body repair tools range, specifically designed for resistance spot welding applications, serving to secure the electrode holders.<\/p>\n
## Overview and Application<\/p>\n
The contact screw with part number 495693 is a critically important component designed for the secure and stable fastening of electrode holders on the units of the **InvertaSpot series C-Trafogun**. This component ensures the precise positioning and reliable electrical contact required during the welding process, which is essential for creating a quality resistance spot weld joint. The product is positioned within the welding technology category as an accessory for electrode sets belonging to resistance spot welding.<\/p>\n
The design and material of the screw pin guarantee high mechanical strength and excellent electrical conductivity, which is essential for withstanding the loads encountered during high-current welding cycles.<\/p>\n
## Product Features and Technical Data<\/p>\n
The screw pin is manufactured in accordance with the strict quality requirements of Wiel\u00e4nder+Schill, with particular attention to durability and compatibility.<\/p>\n
| Property | Value | Comment |
\n| :— | :— | :— |
\n| **Part Number** | 495693 | Unique identifier in the set |
\n| **Application** | Fastening of electrode holder | For InvertaSpot series C-Trafogun |
\n| **Quantity in Package** | 1 piece (1 st\u00fcck) | Packaging unit |
\n| **Diameter (\u00d8)** | 16 mm | Size of the screw head or body |
\n| **Total Length** | 65 mm | Influences the depth and reach of the fastening |
\n| **Overall Dimension (Length x Width x Height)** | 75 x 25 x 16 mm | Dimensions of the packaging or the entire assembly (based on description) |
\n| **Material** | CuCrZr (Copper-Chromium-Zirconium Alloy) | Excellent conductivity and heat resistance |
\n| **Weight** | 0.120 kg | Net weight of the product |<\/p>\n
### Material Quality: CuCrZr (Copper-Chromium-Zirconium)<\/p>\n
The **CuCrZr** material used is of paramount importance in spot welding applications. This alloy offers the following advantages:<\/p>\n
1. **High Thermal Conductivity:** Efficiently dissipates heat generated during welding, minimizing overheating and premature wear of the contact screw.
\n2. **Excellent Mechanical Strength:** Maintains its strength even at high temperatures, ensuring the fastening remains tight under continuous load.
\n3. **Superior Hardness:** Resists wear caused by screwing forces and welding gun vibration.<\/p>\n
## Compatibility and Accessories<\/p>\n
This contact screw is specifically optimized for **electrode set sizes 7 and 9**, enabling seamless integration with InvertaSpot welding systems.<\/p>\n
The following accessories are also available for this product, which ensure the comprehensive maintenance and optimal operation of the system:<\/p>\n
### 1. O-Rings for Contact Screw (Part Number: 495694)<\/p>\n
* **Description:** O-rings for contact screws, supplied in a set of 3 pieces (PU: 3 pcs.).
\n* **Function:** These O-rings are essential for ensuring an effective seal at the connection point between the electrode holder and the C-Trafogun. Sealing prevents dust, moisture, or contaminants from entering the critical mechanical connection, thereby increasing the device's reliability in the long term.<\/p>\n
### 2. Electrode Holder (Part Number: 495627)<\/p>\n
* **Description:** Special electrode holder.
\n* **Compatibility:** Specifically designed for electrode set sizes 7 and 9. This holder ensures the precise clamping and replacement of the electrode, which together with the contact screw forms the complete fastening unit.<\/p>\n
## Maintenance and Lifecycle<\/p>\n
The reliability of welding equipment largely depends on the regular inspection and replacement of wear parts. The stud bolt 495693, as a moving and stressed element, can wear out or get damaged over time.<\/p>\n
**Recommended Maintenance Procedures:**<\/p>\n
* **Regular Inspection:** Before every welding shift, visually inspect the screw thread and head for signs of damage, cracks, or excessive wear.
\n* **Seal Replacement:** Regular replacement of the O-rings (495694) is recommended to maintain sealing integrity, especially if the equipment is used in dusty or wet environments.
\n* **Tightening Force:** Adhering to the optimal tightening torque of the screw is crucial. Too loose fastening can lead to poor weld quality, while overtightening can damage the threads or the electrode holder.<\/p>\n
This stud bolt is an integral part of the Wiel\u00e4nder+Schill professional welding solutions, guaranteeing the precision and durability expected during auto body repair work.<\/p>","protected":false},"excerpt":{"rendered":"
Screw pin electrode kit for units no. 7 and no. 9. Professional accessory for body repair tools.<\/p>","protected":false},"featured_media":376724,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[1737],"product_cat":[12998],"product_tag":[],"class_list":{"0":"post-359794","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-wielanderschill","7":"product_cat-egyeb-termekek","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/359794","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=359794"}],"version-history":[{"count":1,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/359794\/revisions"}],"predecessor-version":[{"id":370333,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/359794\/revisions\/370333"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media\/376724"}],"wp:attachment":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media?parent=359794"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_brand?post=359794"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_cat?post=359794"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_tag?post=359794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}