Mueller Kueps 404 780 Spot Welding Drill Bit HSSE-TICN 8 x 45 mm

Key Facts

• HSSE spot weld drill bit with TiCN (Titanium Carbon Nitride) PVD coating
• 8 mm diameter and 45 mm overall length for precise spot weld removal
• Designed for high cutting speeds and long tool life
• Optimized for interrupted cuts in welded metal applications
• Durable construction supports consistent performance and profitability

Overview

This HSSE-TiCN Spot Welding Drill Bit (8 x 45 mm) is built for efficient and precise removal of spot welds in automotive repair, fabrication, and industrial applications. The HSSE (high-speed steel with cobalt) construction provides enhanced strength and heat resistance, while the TiCN PVD coating improves hardness, reduces friction, and extends tool life.

Engineered for interrupted cutting conditions, this drill bit maintains stability and cutting performance when drilling through layered or welded materials. It is well-suited for professionals who require durability, speed, and reliability in repeated operations.

Product images are for reference only and may vary.

Features

• TiCN (Titanium Carbon Nitride) PVD coating for superior wear resistance
• High cutting speed capability for increased productivity
• HSSE material enhances durability and thermal resistance
• Effective in interrupted cuts such as spot weld drilling
• Long service life reduces downtime and replacement costs

Technical Specifications

• Type: Spot Welding Drill Bit
• Material: HSSE (High-Speed Steel with Cobalt)
• Coating: TiCN (Titanium Carbon Nitride), PVD
• Diameter: 8 mm (0.315 in)
• Overall Length: 45 mm (1.77 in)

Compatibility

• Compatible with standard drill motors and machining equipment
• Suitable for use on sheet metal and welded assemblies

Use Cases

• Spot weld removal in automotive body repair
• Panel separation in metal fabrication
• Maintenance and repair of welded components

What’s Included

• 1 × Spot Welding Drill Bit HSSE-TiCN 8 x 45 mm

Category FAQs

• What is a spot weld drill bit used for?
  It is designed to remove spot welds while preserving the underlying material.
• What are the benefits of TiCN coating?
  TiCN increases hardness, reduces friction, and improves wear resistance for longer tool life.
• Can this drill bit handle high-speed applications?
  Yes, it is designed for high cutting speeds and consistent performance.
• What makes HSSE better than standard HSS?
  HSSE offers improved heat resistance and durability under demanding conditions.
• What are interrupted cuts?
  Interrupted cuts occur when the tool repeatedly engages and disengages the material, such as when drilling spot welds.
• Is coolant required?
  Using coolant is recommended to extend tool life and improve cutting efficiency.
• Can this be used on different metals?
  Yes, it is suitable for various metal types, especially welded or layered materials.
• How do I choose the correct drill size?
  Select a size that matches the spot weld diameter and application requirements.