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Kyocera 0.45 2FL TA SGM07420 Drill - CNC Machining

Kyocera 0.45 2FL TA SGM07420 Drill - CNC Machining
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Kyocera 0.45 2FL TA SGM07420 Drill - CNC Machining
$10.08 USD
$16.80 USD
1 or more $10.08 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: SGM07420
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Product Overview

The Kyocera 0.45mm 2FL TA SGM07420 is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. Manufactured in Japan to exacting OEM standards, this 0.45mm diameter drill features an optimized 2-flute geometry and TA-grade substrate, delivering exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding production environments. Ideal for micro-hole drilling in steel, stainless steel, and alloy materials where precision and reliability are critical.

ISO Designation Breakdown

ISO Code ElementDescription
D 0.45mmNominal cutting diameter in millimeters
2FLTwo-flute design for balanced chip evacuation and rigidity
TAUltra-fine grain carbide grade with high wear resistance
SGM SeriesKyocera micro-drill standard geometry series
SGM07420Manufacturer Part Number (MPN) for catalog reference

Engineering Dimensions & Geometry

ParameterSpecificationTolerance
Cutting Diameter (D1)0.45 mmh5 (-0.004 / -0.008)
Flute Length (L2)3.0 mm±0.10 mm
Overall Length (L1)38 mm±0.20 mm
Shank Diameter (D2)3.0 mmh6
Point Angle140°±1°
Helix Angle30°±2°
Web Thickness0.081 mm±0.01 mm
Corner Radius0.01 mm±0.005 mm

Grade Details – Key Grade Characteristics

The TA Grade is Kyocera's ultra-fine grain carbide substrate specifically developed for micro-drilling applications requiring maximum edge stability and wear resistance.

PropertyValuePerformance Impact
Carbide Grain Size0.5 μm (ultra-fine)Superior edge sharpness and strength
Cobalt Content6.2%Optimized toughness for intermittent cuts
Hardness (HV)92.1 HVExceptional abrasion resistance
Transverse Rupture Strength3,800 MPaHigh resistance to chipping and breakage
CoatingUncoated (bare substrate)Optimal for precision steel machining
Thermal Conductivity84 W/m·KEfficient heat dissipation from cutting edge

Grade Comparison Matrix

GradeGrain SizeHardnessBest Application
TA (This Tool)0.5 μm92.1 HVMicro-drilling, high-precision steel
TB0.8 μm91.5 HVGeneral-purpose drilling, cast iron
TC1.2 μm90.2 HVHeavy-duty drilling, roughing
TD0.4 μm93.0 HVHardened steel >50 HRC
PR1535PVD Coated92.5 HVStainless steel, high-speed apps

Chipbreaker Profile

While solid carbide drills do not feature indexable chipbreaker inserts, the SGM series flute geometry functions as an integrated chipbreaker system, engineered to control chip formation and evacuation in micro-drilling operations.

Flute ParameterSpecificationFunction
Flute FormParabolic gullet, polishedMaximizes chip curl and evacuation
Rake Angle12° positiveReduces cutting forces, minimizes heat
Flute Surface FinishRa 0.2 μmPrevents chip welding, reduces friction
Margin Width0.08 mmStabilizes drill in hole, improves accuracy
Back Taper0.01 mm / 10 mmReduces friction, prevents binding

Recommended Applications & Workpiece Materials

Material GroupMaterial ExamplesHardness RangeSuitability
P – Steel1045, 4140, P20, 4340< 35 HRC★★★★★ Excellent
P – SteelH13, D2, A2, M235–48 HRC★★★★☆ Very Good
M – Stainless304, 316, 17-4PH< 30 HRC★★★★☆ Very Good
K – Cast IronGG25, GGG40, FC250< 250 HB★★★☆☆ Good
N – Non-FerrousAluminum 6061, 7075N/A★★★★☆ Very Good
S – SuperalloysInconel 718, Ti-6Al-4V< 35 HRC★★★☆☆ Good

Application Map by Operation

Operation TypeSuitabilityMax DepthNotes
Through-Hole Drilling★★★★★3×DOptimal chip evacuation
Blind-Hole Drilling★★★★★2.5×DUse peck cycle recommended
Micro-Deep Hole★★★★☆5×DHigh-pressure coolant essential
Enlarging / Reaming★★★☆☆1×DNot recommended; use dedicated reamer
Spot Drilling★★★★★0.5×DExcellent self-centering

Recommended Cutting Conditions

Values below are starting recommendations for carbon and alloy steels (P-group). Adjust based on machine rigidity, coolant delivery, and workpiece fixturing.

ParameterValueUnitNotes
Cutting Speed (Vc)80m/minReduce 20% for stainless steel
Spindle Speed (n)56,588RPMVerify machine max RPM limit
Feed per Revolution (f)0.01mm/revStart conservative, increase 10% if stable
Feed per Tooth (fz)0.005mm/tooth2-flute geometry
Depth of Cut (ap)0.45mmFull diameter engagement
Peck Increment (Q)0.68mmFor holes >2×D depth

Operating Guidelines

  • Coolant: High-pressure soluble oil or synthetic coolant (5–8% concentration) at minimum 20 bar pressure is mandatory for holes exceeding 2×D. For through-holes, aim coolant directly at the drill point.
  • Peck Drilling: Always employ peck cycles for depths >1.5×D. Initial peck = 1×D, subsequent pecks = 0.5×D. Full retract to clear chips every 3 pecks.
  • Entry Surface: Ensure perpendicular entry or use a spot drill (90°–120°) to prevent walk. Avoid drilling into inclined surfaces without pilot hole.
  • Exit Strategy: Reduce feed by 50% when drill approaches breakthrough to prevent burr formation and exit chipping.
  • Speed Ramp: For the first 1 mm of engagement, reduce Vc by 30% and gradually ramp to full speed to protect the delicate point geometry.
  • Chip Inspection: Ideal chips are small, tightly curled C-shapes or short spirals. Long stringy chips indicate insufficient feed or coolant; fragmented dust indicates excessive speed.
  • Tool Life Benchmark: Expect 800–1,200 holes in 1045 steel at recommended parameters before diameter tolerance exceeds h7 limits.

Toolholder Compatibility

Holder TypeShank FitRunout ToleranceRecommendation
Precision Collet Chuck (ER11/ER16)3.0 mm≤0.005 mmRecommended
Hydraulic Expansion Chuck3.0 mm≤0.003 mmBest for high-speed
Shrink Fit Holder3.0 mm≤0.002 mmPremium choice
Drill Chuck (Keyless)Up to 6 mm≤0.015 mmNot recommended
Milling Chuck (Power)3.0 mm≤0.008 mmAcceptable

Packaging & Ordering Information

ItemDetails
Packaging Unit1 piece per plastic tube with rubber end caps
Master Carton50 tubes per export carton (MOQ for OEM pricing)
LabelingLaser-etched diameter, MPN, and lot code on shank
CertificateMaterial and dimensional compliance certificate available on request
WarrantyStandard Kyocera manufacturer warranty against material defects
Lead TimeEx-stock for standard quantities; 4–6 weeks for bulk OEM orders

Catalog Meta Data

FieldValue
Product ID7902
Kyocera Catalog SeriesSGM Micro-Drill Series
EAN / UPCNot assigned (industrial catalog item)
UNSPSC Code23241500 (Drills and drill bits)
ECCNEAR99
Country of ManufactureJapan
Harmonized Code8207.50.00 (Interchangeable tools for drilling)
RoHS StatusCompliant (no restricted substances)
REACH StatusCompliant

Shipping & Stock Information │ 発送・在庫情報

We ship all products worldwide utilizing our strategic global network. To ensure the fastest dispatch times and optimal customs clearance, items are fulfilled and shipped directly from our primary corporate distribution facilities.

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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.

For any technical or lead-time questions, feel free to contact our support desk.

Product Images & Technical Accuracy │ 正確な製品情報

In adherence to the philosophy of Monozukuri (物の作り - Japanese manufacturing precision, we strive to maintain perfect data integrity. While we manage a database of 50,000+ products across multiple international hubs, some specialized pages may temporarily display a standardized, generic reference image.

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

🔹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.

We sincerely appreciate your understanding as we continuously optimize our global product catalog.

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

🔹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.

🔹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.

🔹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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Direct Supply Chain Transparency サプライチェーンの透明性

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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日本国内直接調達

Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.

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100% メーカー正規品

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海外上乗せ利益なし

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