90° Carbide Center Drill TiSiN Coated Spotting Drill CNC Positioning Drill for Steel HRC55

90° Carbide Center Drill

Designed for accurate hole positioning, spotting, and chamfering operations, this 90° Carbide Center Drill delivers exceptional rigidity, precise centering performance, and superior wear resistance for CNC machining applications. Manufactured from premium solid tungsten carbide and enhanced with advanced TiSiN coating, it is optimized for machining steel, stainless steel, cast iron, and mold steel materials.

The rigid short-flute design minimizes tool deflection and ensures accurate hole positioning before drilling, significantly improving hole quality and drilling accuracy.

---

Product Features

90° Precision Point Geometry

Designed for:

• Center drilling
• Spot drilling
• Hole positioning
• Chamfering
• Pre-drilling operations
• CNC setup machining

Ensures accurate hole location and improved drilling consistency.

High-Rigidity Structure

The short cutting length provides:

• Maximum rigidity
• Reduced vibration
• Improved centering accuracy
• Better positioning performance

Ideal for precision machining applications.

Premium Solid Carbide Construction

Manufactured from high-quality tungsten carbide for superior hardness, wear resistance, and long service life.

Advanced TiSiN Coating

The TiSiN nano coating improves:

• Heat resistance
• Wear resistance
• Surface hardness
• Oxidation resistance

Helping extend tool life during continuous machining operations.

Improved Drilling Accuracy

Creates an accurate starting point for twist drills and carbide drills, reducing drill wandering and improving hole location precision.

Multi-Function Capability

Can be used for:

• Spot drilling
• Center drilling
• Chamfering
• Positioning operations

Reducing tool changes and increasing machining efficiency.

---

Applications

Widely used for:

• Center Drilling
• Spot Drilling
• Hole Positioning
• Chamfering
• CNC Setup Operations
• Precision Hole Preparation
• Mold Component Machining

---

Suitable Materials

• Carbon Steel
• Alloy Steel
• Mold Steel
• Stainless Steel
• Cast Iron
• Pre-Hardened Steel

---

Product Advantages

• Excellent positioning accuracy
• High rigidity and stability
• Reduced drill wandering
• Improved hole quality
• Long tool service life
• Multi-function machining capability
• Ideal for precision CNC drilling preparation

Perfect for CNC machining centers, milling machines, mold manufacturing, and precision machining applications requiring accurate hole positioning and reliable drilling preparation.