Product Overview

The Kyocera DRILL 2FL TA SGM08201 is a precision-engineered solid carbide drill designed for high-performance CNC machining operations. With a diameter of 2.35 mm, this 2-flute drill delivers exceptional hole quality, dimensional accuracy, and extended tool life across a wide range of workpiece materials. The advanced TA grade substrate with AlTiN coating ensures superior wear resistance and thermal stability, making it ideal for high-speed production environments in aerospace, automotive, and general manufacturing sectors.

ISO Designation Breakdown

The ISO designation for this tool is DC-2.35-2FL-TA. This code provides complete identification:

• DC – Drill, Cylindrical shank
• 2.35 – Nominal diameter in millimeters
• 2FL – 2-flute design for optimal chip evacuation
• TA – Grade designation (AlTiN coated ultra-fine grain carbide)

Engineering Dimensions & Geometry

All dimensions are nominal and subject to standard manufacturing tolerances per ISO 5414.

Grade Details – Key Grade Characteristics

The TA Grade is Kyocera's premium coating solution for general-purpose drilling operations. It combines an ultra-fine grain carbide substrate with a multi-layer AlTiN PVD coating to achieve the optimal balance of hardness, toughness, and thermal stability.

Grade Comparison Matrix

Select the optimal grade for your specific application requirements:

Chipbreaker Profile

The DRILL 2FL series features an optimized flute geometry with a specially designed chipbreaker profile that ensures reliable chip formation and evacuation across all recommended feed rates. The 30° helix angle promotes smooth chip flow while minimizing cutting forces and vibration. This design is particularly effective in deep-hole drilling applications where chip packing is a common concern.

• Wide flute gullet for enhanced chip volume capacity
• Polished flute surface reduces friction and built-up edge
• Balanced edge preparation for stable cutting action

Recommended Applications & Workpiece Materials

The SGM08201 is engineered for versatility across multiple material groups:

• Carbon & Alloy Steels – Excellent performance in mild to medium-hardness steels
• Stainless Steels – Superior resistance to work-hardening in 304/316 grades
• Cast Iron – High wear resistance for gray and ductile cast iron
• Aluminum Alloys – Polished flutes prevent material adhesion
• Heat-Treated Steels – Capable of drilling up to 45 HRC with reduced parameters

Application Map by Operation

Recommended Cutting Conditions

Parameters below are starting recommendations. Adjust based on machine rigidity, coolant delivery, and workpiece fixturing:

Operating Guidelines

To maximize tool life and hole quality, adhere to the following best practices:

• Always use a center drill or spotting drill to ensure accurate entry and prevent walk
• Maintain runout below 0.01 mm at the tool tip for optimal performance
• Use high-pressure internal coolant (minimum 70 bar) for holes deeper than 3×D
• Reduce cutting speed by 15% when drilling stacked or inclined entry surfaces
• Inspect cutting edges after every 50 holes in abrasive materials
• Store tools in original packaging away from moisture and direct sunlight

Toolholder Compatibility

Proper toolholder selection is critical for achieving published performance data:

Packaging & Ordering Information

Catalog Meta Data

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