8xD Standard Carbide Drills

The main advantage is its ability to reach deeper holes than 3xD and 5xD drills while maintaining a solid carbide construction, stable cutting geometry, and controlled hole production.

In suitable machining conditions, an 8xD drill may be used in a continuous drilling cycle when the drill geometry, cutting parameters, coolant supply, and chip evacuation are properly matched. The final drilling cycle should be determined according to the material and application.

Landun 8xD carbide drills can be selected for steel, stainless steel, cast iron, aluminum alloys, titanium alloys, and other engineering materials according to the drill geometry, carbide grade, coating, and coolant design.

Yes. Landun can review non-standard diameters, special flute lengths, step designs, coolant-hole requirements, special point geometries, and drawing-based custom carbide drill projects.

Please provide:

• Workpiece material and hardness
• Required hole diameter
• Required hole depth
• Through-hole or blind-hole design
• Entry and exit surface conditions
• Hole tolerance and surface requirements
• Machine and spindle information
• Tool holder and expected runout
• Internal coolant pressure and flow
• Workpiece clamping condition
• Expected production quantity
• Current drilling problems