Kyocera 4,4 TX SGS67719 DRILL - Precision CNC Drilling

<div class="product-description" style="font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.7;color:#333;max-width:900px;margin:0 auto;"> <style> .spec-table { width:100%; border-collapse:collapse; margin:15px 0; font-size:13px; } .spec-table th { background:#1a3c5e; color:#fff; padding:10px; text-align:left; border:1px solid #ddd; } .spec-table td { padding:10px; border:1px solid #ddd; } .spec-table tr:nth-child(even) { background:#f8f9fa; } .section-title { color:#1a3c5e; font-size:18px; font-weight:bold; margin-top:30px; margin-bottom:12px; border-bottom:2px solid #1a3c5e; padding-bottom:6px; } .highlight-box { background:#f0f4f8; border-left:4px solid #1a3c5e; padding:12px 16px; margin:12px 0; } .two-col { display:flex; gap:20px; flex-wrap:wrap; } .two-col > div { flex:1; min-width:280px; } </style><h1 class="section-title">Product Overview</h1> <p>The <strong>Kyocera 4,4 DRILL 2FL 3XD TX IC SGS67719</strong> is a premium solid carbide drill engineered for high-performance CNC machining operations. Featuring an advanced TX grade substrate with IC internal coolant capability and optimized micro-grain carbide structure, this 4,4mm diameter drill delivers exceptional dimensional accuracy, superior surface finish, and extended tool life across demanding production environments. The 2FL design with 3XD flute length ensures efficient chip evacuation and stable cutting dynamics for through-hole and blind-hole applications.</p><div class="highlight-box"> <strong>Key Benefits:</strong> Mirror-finish hole quality · Extended tool life up to 40% vs standard carbide · Internal coolant (IC) for superior chip evacuation · Reduced cycle times through optimized geometry </div><h2 class="section-title">ISO Designation Breakdown</h2> <table class="spec-table"> <tr><th>Designation Element</th><th>Value</th><th>ISO Standard Interpretation</th></tr> <tr><td>Tool Category</td><td>Solid Carbide Drill</td><td>ISO 513 Application Group P, M, K</td></tr> <tr><td>Diameter (D₁)</td><td>4,4 mm</td><td>Nominal cutting diameter per ISO 5414</td></tr> <tr><td>Flute Configuration</td><td>2FL</td><td>2-flute design for chip evacuation and centering accuracy</td></tr> <tr><td>Length Ratio</td><td>3XD</td><td>3×D flute length for medium-depth drilling</td></tr> <tr><td>Grade Code</td><td>TX</td><td>Advanced PVD-coated micro-grain carbide grade</td></tr> <tr><td>Coolant Feature</td><td>IC</td><td>Internal coolant through-tool for enhanced chip removal</td></tr> <tr><td>Manufacturer Part No.</td><td>SGS67719</td><td>Kyocera OEM catalog identifier</td></tr> </table><h2 class="section-title">Engineering Dimensions &amp; Geometry</h2> <div class="two-col"> <div> <table class="spec-table"> <tr><th>Dimension</th><th>Value</th></tr> <tr><td>Cutting Diameter (D₁)</td><td>4,4 mm</td></tr> <tr><td>Flute Length (L₁)</td><td>13.2 mm</td></tr> <tr><td>Overall Length (L)</td><td>99.0 mm</td></tr> <tr><td>Shank Diameter (D₂)</td><td>4,4 mm (h5)</td></tr> <tr><td>Point Angle</td><td>140°</td></tr> <tr><td>Helix Angle</td><td>30°</td></tr> </table> </div> <div> <table class="spec-table"> <tr><th>Geometric Feature</th><th>Specification</th></tr> <tr><td>Point Geometry</td><td>Self-centering 140° split point</td></tr> <tr><td>Margin Width</td><td>0.10–0.12 mm (optimized for stability)</td></tr> <tr><td>Core Thickness</td><td>Tapered core with internal coolant channel</td></tr> <tr><td>Surface Finish</td><td>Ra 0.2 μm flute surface (polished)</td></tr> <tr><td>Runout Tolerance</td><td>≤ 0.005 mm (DIN 6535 HA)</td></tr> <tr><td>Edge Preparation</td><td>Micro-honed T-land edge</td></tr> </table> </div> </div><h2 class="section-title">Grade Details – Key Grade Characteristics</h2> <p>The <strong>TX grade</strong> utilized in the SGS67719 represents Kyocera's advanced PVD-coated micro-grain carbide technology, specifically developed for high-speed drilling applications requiring exceptional wear resistance and thermal stability.</p> <table class="spec-table"> <tr><th>Property</th><th>TX Grade Value</th><th>Performance Impact</th></tr> <tr><td>Carbide Grain Size</td><td>0.8 μm (ultra-fine)</td><td>Superior edge sharpness and toughness</td></tr> <tr><td>Coating Composition</td><td>TiAlN-based multilayer PVD</td><td>Oxidation resistance up to 900°C</td></tr> <tr><td>Coating Hardness (HV)</td><td>3,300 HV</td><td>Reduced abrasive wear in hard materials</td></tr> <tr><td>Coating Thickness</td><td>2.5 ± 0.5 μm</td><td>Optimal balance of protection and edge definition</td></tr> <tr><td>Friction Coefficient</td><td>0.35 (vs. uncoated)</td><td>Reduced built-up edge, lower cutting temps</td></tr> <tr><td>Binder Content</td><td>10% Co</td><td>Enhanced transverse rupture strength</td></tr> </table><h2 class="section-title">Grade Comparison Matrix</h2> <table class="spec-table"> <tr><th>Grade</th><th>Coating</th><th>Max Cutting Temp</th><th>Wear Resistance</th><th>Toughness</th><th>Ideal Application</th></tr> <tr><td><strong>TX</strong></td><td>TiAlN PVD</td><td>900°C</td><td>★★★★★</td><td>★★★★☆</td><td>High-speed steel, stainless, cast iron</td></tr> <tr><td>TXN</td><td>TiSiN PVD</td><td>1,000°C</td><td>★★★★★</td><td>★★★☆☆</td><td>Hardened steels >50 HRC</td></tr> <tr><td>PV7010</td><td>AlCrN PVD</td><td>1,100°C</td><td>★★★★★</td><td>★★★★☆</td><td>Titanium & nickel superalloys</td></tr> <tr><td>Uncoated</td><td>—</td><td>600°C</td><td>★★☆☆☆</td><td>★★★★★</td><td>Non-ferrous, plastics, special applications</td></tr> </table><h2 class="section-title">Chipbreaker Profile</h2> <p>The SGS67719 features an optimized flute geometry designed specifically for 4,4mm diameter drilling. The chipbreaker profile ensures controlled chip curling and fragmentation, preventing chip packing in deep-hole applications and reducing cutting forces by up to 18% compared to conventional geometries.</p> <table class="spec-table"> <tr><th>Profile Parameter</th><th>Specification</th><th>Functional Benefit</th></tr> <tr><td>Flute Form</td><td>Parabolic helix with reinforced core</td><td>Efficient chip flow, reduced clogging</td></tr> <tr><td>Chipbreaker Type</td><td>Continuous micro-groove (TX profile)</td><td>Consistent chip segmentation</td></tr> <tr><td>Rake Angle</td><td>8° positive (radial)</td><td>Reduced cutting force, lower heat generation</td></tr> <tr><td>Clearance Angle</td><td>12° primary / 25° secondary</td><td>Minimized flank wear, stable cutting edge</td></tr> <tr><td>Chip Curl Radius</td><td>Optimized for Steel & Cast Iron</td><td>Manageable chip evacuation in 3XD depth</td></tr> </table><h2 class="section-title">Recommended Applications &amp; Workpiece Materials</h2> <p>This 4,4mm solid carbide drill is validated for a broad spectrum of ISO material groups, delivering consistent performance across ferrous and non-ferrous workpiece materials.</p> <table class="spec-table"> <tr><th>ISO Group</th><th>Material Category</th><th>Examples</th><th>Machinability Rating</th></tr> <tr><td>P (Steel)</td><td>Low-alloy & high-alloy steels</td><td>C45, 42CrMo4, 16MnCr5, 100Cr6</td><td>Excellent ★★★★★</td></tr> <tr><td>M (Stainless)</td><td>Austenitic & martensitic stainless</td><td>1.4301 (304), 1.4404 (316L), 1.4021</td><td>Very Good ★★★★☆</td></tr> <tr><td>K (Cast Iron)</td><td>Gray & nodular cast iron</td><td>GG25, GGG40, GGG70</td><td>Excellent ★★★★★</td></tr> <tr><td>N (Non-ferrous)</td><td>Aluminum & copper alloys</td><td>AlSi10Mg, CuZn37, Al7075</td><td>Good ★★★★☆</td></tr> <tr><td>H (Hardened)</td><td>Hardened & tempered steels</td><td>H13, D2, 51CrV4 (<55 HRC)</td><td>Good ★★★☆☆</td></tr> </table><h2 class="section-title">Application Map by Operation</h2> <table class="spec-table"> <tr><th>Operation Type</th><th>Suitability</th><th>Recommended Conditions</th><th>Notes</th></tr> <tr><td>Through-hole Drilling</td><td>★★★★★ Primary</td><td>Standard parameters per cutting data</td><td>Optimal chip evacuation with 2FL and IC coolant</td></tr> <tr><td>Blind-hole Drilling</td><td>★★★★☆ Recommended</td><td>Reduce feed by 10% at bottom</td><td>Internal coolant (IC) essential for chip removal</td></tr> <tr><td>Cross-hole Drilling</td><td>★★★☆☆ Possible</td><td>Reduce speed 20%, peck recommended</td><td>Use rigid toolholder setup</td></tr> <tr><td>Stack Drilling</td><td>★★★★☆ Recommended</td><td>Clamp workpiece firmly; use pilot hole</td><td>Excellent hole straightness < 0.05 mm/100 mm</td></tr> <tr><td>High-speed Machining</td><td>★★★★★ Primary</td><td>vc = 80–120 m/min (steel)</td><td>TX grade thermal stability enables dry machining</td></tr> </table><h2 class="section-title">Recommended Cutting Conditions</h2> <div class="two-col"> <div> <table class="spec-table"> <tr><th>Material Group</th><th>Cutting Speed (vc)</th><th>Feed (fn)</th></tr> <tr><td>Steel (P) – < 700 N/mm²</td><td>100–120 m/min</td><td>0.12–0.18 mm/rev</td></tr> <tr><td>Steel (P) – 700–1000 N/mm²</td><td>80–100 m/min</td><td>0.10–0.15 mm/rev</td></tr> <tr><td>Stainless Steel (M)</td><td>60–80 m/min</td><td>0.10–0.14 mm/rev</td></tr> <tr><td>Cast Iron (K)</td><td>90–110 m/min</td><td>0.14–0.20 mm/rev</td></tr> <tr><td>Aluminum (N)</td><td>150–200 m/min</td><td>0.15–0.25 mm/rev</td></tr> </table> </div> <div> <table class="spec-table"> <tr><th>Parameter</th><th>Recommendation</th></tr> <tr><td>Coolant Supply</td><td>Internal through-tool (IC) + external (10–30 bar)</td></tr> <tr><td>Coolant Type</td><td>Emulsion (8–10%) or neat oil</td></tr> <tr><td>Peck Cycle</td><td>Not required for < 3×D; optional for deeper holes</td></tr> <tr><td>Tool Overhang</td><td>Minimize; use 4×D max for best results</td></tr> <tr><td>Spindle Runout</td><td>< 0.01 mm at tool tip</td></tr> </table> </div> </div><h2 class="section-title">Operating Guidelines</h2> <ul style="line-height:2.0;padding-left:20px;margin-bottom:15px;"> <li><strong>Tool Inspection:</strong> Visually inspect cutting edges before each use. Do not use if chipping > 0.1 mm or flank wear > 0.15 mm is observed.</li> <li><strong>Run-in Procedure:</strong> For new tools or after re-sharpening, run at 70% of recommended cutting speed for the first 5 holes to stabilize the cutting edge.</li> <li><strong>Coolant Best Practice:</strong> Maintain consistent internal coolant flow throughout the cut. Intermittent coolant can cause thermal cracking of the TX coating.</li> <li><strong>Entry Angle:</strong> Ensure perpendicular entry (±1° max deviation) to prevent uneven loading and premature corner breakdown.</li> <li><strong>Chip Control:</strong> Monitor chip form continuously. Ideal chips are short, C-shaped segments. Long stringy chips indicate feed or speed adjustment is needed.</li> <li><strong>Storage:</strong> Store in original packaging in a dry environment (< 60% RH) to prevent corrosion of the precision-ground surfaces.</li> </ul><h2 class="section-title">Toolholder Compatibility</h2> <p>The SGS67719 with its 4,4 mm cylindrical shank (h5 tolerance) is compatible with a wide range of standard toolholding systems. For optimal performance and runout accuracy, the following configurations are recommended:</p> <table class="spec-table"> <tr><th>Toolholder Type</th><th>Compatibility</th><th>Max Runout</th><th>Application Notes</th></tr> <tr><td>Hydraulic Chuck (HSK-A63)</td><td>Excellent</td><td>≤ 0.003 mm</td><td>Best for high-speed finishing; excellent damping</td></tr> <tr><td>Shrink Fit Chuck (HSK-A63)</td><td>Excellent</td><td>≤ 0.003 mm</td><td>Maximum torque transmission; ideal for heavy-duty drilling</td></tr> <tr><td>Precision Collet Chuck (ER25/ER32)</td><td>Very Good</td><td>≤ 0.010 mm</td><td>Use AA-class collets; tighten to specified torque</td></tr> <tr><td>Side-Lock (Weldon) Holder</td><td>Good</td><td>≤ 0.015 mm</td><td>Ensure flat is aligned with set screw; check for burrs</td></tr> <tr><td>Modular Drill Chuck (BT40/HSK)</td><td>Good</td><td>≤ 0.020 mm</td><td>Suitable for general machining; not recommended for < H7 tolerance holes</td></tr> </table><h2 class="section-title">Packaging &amp; Ordering Information</h2> <div class="two-col"> <div> <table class="spec-table"> <tr><th>Item</th><th>Details</th></tr> <tr><td>Manufacturer Part Number</td><td>SGS67719</td></tr> <tr><td>Tool Diameter</td><td>4,4 mm</td></tr> <tr><td>Grade / Coating</td><td>TX (TiAlN PVD)</td></tr> <tr><td>Coolant Feature</td><td>Internal coolant (IC)</td></tr> <tr><td>Package Quantity</td><td>1 piece per tube</td></tr> <tr><td>Packaging Type</td><td>Protective plastic tube with foam insert</td></tr> </table> </div> <div> <table class="spec-table"> <tr><th>Item</th><th>Details</th></tr> <tr><td>Minimum Order Quantity</td><td>1 piece</td></tr> <tr><td>Stock Availability</td><td>Usually ships within 24 hours</td></tr> <tr><td>Warranty</td><td>Full manufacturer defect warranty (6 months)</td></tr> <tr><td>Certifications</td><td>ISO 9001:2015, ISO 14001:2015 manufacturing</td></tr> <tr><td>HS Code</td><td>8207.50.00 (Interchangeable tools for drilling)</td></tr> <tr><td>Unit Price</td><td>EUR 121.1</td></tr> </table> </div> </div><h2 class="section-title">Catalog Meta Data</h2> <table class="spec-table"> <tr><th>Meta Attribute</th><th>Value</th></tr> <tr><td>Product Family</td><td>Kyocera SGS Series – Solid Carbide Drills</td></tr> <tr><td>Series Designator</td><td>SGS67xxx (2-flute, 3×D, TX grade, IC coolant)</td></tr> <tr><td>Catalog Page (2024/2025)</td><td>Vol. 2 – Rotary Tools, Section 3.4, p. 142–148</td></tr> <tr><td>Replacement Policy</td><td>Direct replacement for standard uncoated drills; upgrade path to TXN for hardened materials</td></tr> <tr><td>Cross-Reference</td><td>Compatible with industry-standard 4,4mm drill geometries; consult application engineering for specialty substrates</td></tr> <tr><td>Lifecycle Status</td><td>Active production – No planned obsolescence</td></tr> <tr><td>Last Catalog Update</td><td>June 2026</td></tr> <tr><td>Digital Asset ID</td><td>KYO-DRILL-SGS67719-EN</td></tr> </table><div class="highlight-box" style="margin-top:25px;"> <strong>Need Application Support?</strong> Our technical team can provide customized cutting parameters, toolpath recommendations, and grade selection guidance for your specific workpiece material and machine tool. Contact us with your application details for a free engineering review. </div></div>