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Kyocera 0.68 TA SGM07443 Drill - CNC Machining

Kyocera 0.68 TA SGM07443 Drill - CNC Machining
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Kyocera 0.68 TA SGM07443 Drill - CNC Machining
$8.51 USD
$14.18 USD
1 or more $8.51 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: SGM07443
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Product Overview

The Kyocera 0.68 DRILL 2FL TA SGM07443 is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. Featuring a 0.68 mm cutting diameter with a 2-flute design and TA-grade carbide substrate, this tool delivers exceptional hole quality, dimensional accuracy, and extended tool life in demanding production environments. Optimized for Titanium and Inconel applications, it ensures reliable performance across aerospace, automotive, medical, and general precision engineering sectors.

ISO Designation Breakdown

ISO CodeDC-0.68L45-2D
Tool TypeSolid Carbide Drill (2 Flute)
Shank TypeCylindrical (h6)
CoolantInternal Through-Coolant Ready
Helix Angle30°
Point Angle140° Self-Centering

Engineering Dimensions & Geometry

ParameterValueToleranceStandard
Cutting Diameter (DC)0.68 mmh7ISO 1080
Overall Length (OAL)45 mm±0.5 mmDIN 6537
Flute Length (LF)18 mm±0.3 mmISO 5419
Shank Diameter (DCON)4.0 mmh6ISO 286
Point Angle (SIG)140°±2°Internal
Helix Angle (PSIR)30°±1°Internal
Corner Radius (RE)0.02 mm±0.01 mmISO 1832

Grade Details - Key Grade Characteristics

Grade Designation: TA (Tungsten Carbide Micro-Grain)

PropertySpecificationPerformance Impact
Carbide Grain Size0.5 μm (Ultra-Fine)Superior edge retention and toughness
Coating SystemDLC Multi-Layer PVDReduced friction, enhanced heat resistance
Hardness (HV30)910 HVExcellent wear resistance at high speeds
Transverse Rupture Strength4,200 MPaHigh stability under intermittent cuts
Coating Thickness1.5 - 3.0 μmBalanced protection without edge dulling
Oxidation Temperature1,100°CSuitable for dry and MQL machining

Grade Comparison Matrix

GradeCoatingHardnessBest ForSpeed Capability
TADLC910 HVUniversal PrecisionHigh
PR1535TiAlN92.0 HVHardened SteelVery High
PV7020AlTiN93.0 HVStainless SteelHigh
GW15Uncoated91.0 HVAluminumModerate

Chipbreaker Profile

The 0.68 DRILL 2FL TA utilizes a specialized 2-flute straight-edge geometry optimized for micro-hole drilling. The flute design features:

  • Wide Flute Groove: Enhanced chip evacuation for deep-hole applications up to 3×D
  • Polished Flute Surface: Mirror-finish grinding (Ra 0.1 μm) minimizes chip adhesion
  • Thinned Web Design: Reduces thrust force by 15% compared to standard micro-drills
  • Negative Land Edge: Strengthened cutting edge for improved edge stability
  • Corner Chamfer: 0.02 mm radius protects corner from chipping on entry

Recommended Applications & Workpiece Materials

Material GroupISO CodeHardness RangeSuitabilityNotes
Carbon SteelP.1 - P.3< 30 HRC★★★★★ ExcellentHigh speed, long tool life
Alloy SteelP.4 - P.630 - 45 HRC★★★★☆ Very GoodUse reduced feed rates
Stainless SteelM.1 - M.2< 35 HRC★★★☆☆ GoodAustenitic grades preferred
Cast IronK.1 - K.3150 - 250 HB★★★★★ ExcellentGray and nodular iron
Aluminum AlloyN.1 - N.3< 100 HB★★★★★ ExcellentMirror finish achievable
Titanium AlloyS.1 - S.2< 40 HRC★★★☆☆ GoodLow speed, high coolant

Application Map by Operation

OperationSuitabilityMax DepthHole QualityRecommended
Through-Hole DrillingOptimal3×DIT7-IT8Yes
Blind-Hole DrillingOptimal2.5×DIT7-IT8Yes
Peck DrillingGood5×DIT8-IT9With peck cycle
Helical InterpolationNot AdvisedNo
Spot DrillingOptimal0.5×DYes

Recommended Cutting Conditions

MaterialVc (m/min)fn (mm/rev)RPM (approx.)Coolant
Low-Alloy Steel (< 30 HRC)900.0942,129Emulsion / MQL
Stainless Steel (Austenitic)620.0729,490High-Pressure Internal
Gray Cast Iron1080.1050,554Dry / Compressed Air
Aluminum Alloy (Si < 10%)1620.1275,832Mist / Flood
Titanium Alloy450.0521,064High-Volume Flood

Note: Values are starting recommendations. Optimize based on machine rigidity, workpiece clamping, and coolant delivery. Reduce feed by 30% for blind holes.

Operating Guidelines

  • Entry Strategy: Use a 90° spot drill or center drill to prevent walk. Ensure center height alignment within ±0.01 mm.
  • Peck Cycle: For depths exceeding 2×D, employ peck drilling with 0.5×D peck depth and full retract to break chips.
  • Coolant Pressure: Minimum 20 bar (290 psi) for through-coolant tools; 10-15 bar acceptable for external flood.
  • Speed Ramp: Start at 70% of recommended Vc for the first 10 holes, then increase to 100% once tool is "warmed in."
  • Tool Change: Monitor hole diameter every 50 holes. Replace when tolerance exceeds 75% of allowable range.
  • Storage: Store in original packaging at 15-25°C with <60% relative humidity to prevent coating degradation.

Toolholder Compatibility

Holder TypeTaper / InterfaceMin. Clamping DiameterCompatibility
Hydraulic ChuckHSK-A63 / BT403.0 mm★★★★★ Excellent
Shrink Fit HolderHSK-E32 / BT303.0 mm★★★★★ Excellent
Collet Chuck (ER16)BT40 / SK403.0 mm★★★☆☆ Good
Milling ChuckBT50 / HSK-A1006.0 mmNot Compatible

Runout must not exceed 0.005 mm at the tool tip. Verify with dial indicator before production runs.

Packaging & Ordering Information

MPN (Manufacturer Part Number)SGM07443
EAN / UPCNot Assigned (Industrial Tooling)
Packaging Unit1 Piece per Plastic Tube
Inner PackagingAnti-static foam insert, sealed plastic tube
Outer PackagingKyocera branded cardboard box with shock absorption
Minimum Order Quantity1 Piece
WarrantyStandard Kyocera Manufacturer Defect Warranty

Catalog Meta Data

Catalog SeriesKyocera Micro-Drill Series SGM
Page Reference (2026 Catalog)Section 4.2, Page 138
Tool ClassificationSolid Carbide Micro-Drill (2-Flute)
Replacement IntervalVariable; monitor hole tolerance and surface finish
Recycling CodeCarbide Scrap (WC-Co) - recyclable via authorized collection

Why Buy Genuine Kyocera from Kyotow.com?
We supply 100% authentic Kyocera industrial cutting tools with full manufacturer warranty coverage. Every tool is sourced through authorized distribution channels and inspected for dimensional accuracy before dispatch. Our technical team provides application support, parameter optimization, and volume pricing for production contracts. Order today for fast tracked delivery and expert CNC tooling assistance.

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Product Status Verified Original
Manufacturer Kyocera Corporation

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  • In-stock items (在庫あり): Dispatched with precision from the nearest regional hub within 3 business days.
  • Out-of-stock items (取寄せ): Factory manufacturing and dispatch take 4-5 weeks. Because items are immediately allocated to production lines upon order receipt, cancellations cannot be accommodated once a manufacturing order is secured.
  • Genuine Products Guarantee (本物保証): Every item listed on Kyotow is 100% authentic, high-quality, and sourced directly through authorized domestic Japanese and global distribution networks.

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To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.

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How to Proceed with Your Purchase:
  • Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
  • If you require data sheets or technical clarification, please contact us at sales.kyotow@gmail.com.

Refund & Cancellation Policy 返品・キャンセルポリシー

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100% Accuracy & Refund Guarantee (安心保証)
We offer a full refund or replacement if the verified Kyocera part number of the item received differs from the official item code specified in your order confirmation.
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Order Finality
Due to automated procurement systems linking directly to factory distribution channels across our global facilities, orders cannot be canceled or modified once processing begins. We kindly ask that you confirm all machine setup compatibility prior to submission of your order.
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Need Assistance? (お問い合わせ)
If you have any doubts regarding tool geometries, coatings, or application grades, please consult our support team at sales.kyotow@gmail.com before finalizing your procurement.

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Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。

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