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Kyocera #40 PR1535 SGM07374 2FL DRILL - CNC Drilling

Kyocera #40 PR1535 SGM07374 2FL DRILL - CNC Drilling
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Kyocera #40 PR1535 SGM07374 2FL DRILL - CNC Drilling
$4.22 USD
$7.04 USD
1 or more $4.22 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: SGM07374
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Product Overview

The Kyocera #40 PR1535 SGM07374 2FL DRILL is a premium solid carbide micro-drill engineered for high-precision CNC drilling operations. Manufactured in Japan to exacting ISO standards, this 2-flute drill delivers exceptional hole accuracy, superior surface finish, and extended tool life in demanding production environments. Ideal for aerospace, medical device, automotive, and precision engineering applications where hole quality and dimensional tolerance are critical.

ISO Designation Breakdown

PositionCodeMeaning
1-3SGMKyocera Solid Carbide Micro-Drill Series
4-807374Product Configuration & Diameter Code (#40)
GradePR1535PVD Coated Ultra-Fine Carbide for General Machining
Flutes2FL2-Flute Design for Balanced Chip Evacuation

Engineering Dimensions & Geometry

ParameterSpecification
Nominal Diameter (D1)2.489 mm (0.0980 in)
Overall Length (L1)45 mm
Flute Length (L2)11.0 mm
Shank Diameter (D2)3.0 mm
Point Angle140°
Helix Angle30°
Number of Flutes2
Corner RadiusStandard Sharp (Drill Point)
Tolerance Classh7
Runout Accuracy≤ 5 µm
Surface Finish (Flute)Ra 0.2 µm (Polished)
Edge PreparationMicro-honed 0.02 mm radius

Grade Details - Key Grade Characteristics

PR1535 is Kyocera's advanced PVD-coated ultra-fine grain carbide grade specifically developed for precision drilling applications in ferrous and non-ferrous materials.

PropertyValue
SubstrateUltra-fine tungsten carbide (0.5 µm grain size) with 12% cobalt binder
CoatingMulti-layer PVD TiAlN coating (3.0 µm thickness)
Hardness92.6 HRA (1602 HV30)
Transverse Rupture Strength3834 MPa
Max Operating Temperature868°C (1594°F)
Friction Coefficient (dry)0.35
Color CodeBronze/Copper
ISO Application GroupP15-P35, M10-M25, K15-K30

Grade Comparison Matrix

GradeCoatingTarget MaterialSpeed (vc)Wear ResistancePrimary Application
PR1535TiAlN PVDSteel, Stainless, Cast Iron40-80 m/min★★★★★General Precision Drilling
PR1225TiCN PVDSteel, Alloy Steel30-60 m/min★★★★☆High-Speed Roughing
CA6535CVD Al₂O₃+TiCNCast Iron, Hardened Steel20-50 m/min★★★★★Heavy Interruption
KW10UncoatedAluminum, Non-Ferrous80-150 m/min★★★☆☆Non-Ferrous Special

Chipbreaker Profile

The SGM series features an optimized 2-flute geometry with advanced chipbreaker design specifically tailored for micro-drilling operations:

FeatureSpecification
Flute ProfileParabolic flute design with polished surface (Ra 0.2 µm) for enhanced chip evacuation
Margin DesignDual-margin land width 0.125 mm for superior hole wall finish and drill stability
Point GeometrySelf-centering 140° split point with web thinning (0.3 mm) to reduce thrust force by 25%
Edge PreparationMicro-honed cutting edge (0.02 mm radius) to prevent chipping and micro-cracks
Helix ConfigurationVariable helix angle (28°-32°) to suppress chatter and harmonic vibration
Flute PolishingMirror polish along flute face to reduce built-up edge (BUE) in sticky materials

Recommended Applications & Workpiece Materials

Material GroupExamplesISO CodeMachinability
Carbon SteelC45, C60, 1045, 1060, S45CP.1-P.3Excellent
Alloy Steel42CrMo4, 4140, 4340, SCM440P.4-P.6Very Good
Stainless Steel304, 316, 1.4301, 1.4401, SUS304M.1-M.2Good
Cast IronGG25, GGG40, FC250, FCD400K.1-K.3Good
Tool SteelH13, D2, O1, SKD11 (≤ 45 HRC)P.5-P.6Moderate
Aluminum AlloyAlSi10Mg, 6061, 7075, A5052N.1-N.3Excellent (Uncoated preferred)
Titanium AlloyTi-6Al-4V, Grade 5S.1-S.2Moderate (Reduce speed 30%)

Application Map by Operation

OperationSuitabilityMax DepthNotes
Through-Hole Drilling★★★★★3×DOptimal chip evacuation with through-coolant
Blind-Hole Drilling★★★★☆2×DUse peck cycle recommended; avoid full-width engagement at bottom
Micro-Drilling★★★★★2×D≤ 3 mm diameter specialist; rigid setup mandatory
Enlarging / Reaming★★☆☆☆1×DNot recommended as primary use; dedicated reamer preferred
Spot Drilling★★★★☆0.5×DUse rigid setup; centre drill preferred for deep holes
Cross-Hole Drilling★★★☆☆1×DReduce feed by 30%; expect reduced tool life
Inclined Entry★★☆☆☆1×DRequires spot drill or centre drill pre-operation

Recommended Cutting Conditions

Workpiece MaterialHardnessCutting Speed (vc)Feed per Rev (fn)Coolant
Low-Carbon Steel< 200 HB66-84 m/min0.08-0.12 mm/revEmulsion / MQL
Medium-Carbon Steel200-280 HB50-68 m/min0.06-0.10 mm/revEmulsion / MQL
Alloy Steel280-350 HB40-60 m/min0.05-0.08 mm/revEmulsion / Internal
Stainless Steel (Austenitic)< 250 HB30-50 m/min0.04-0.07 mm/revInternal coolant essential
Gray Cast Iron180-260 HB40-60 m/min0.08-0.14 mm/revDry / Compressed air
Aluminum Alloy (Wrought)< 100 HB80-120 m/min0.10-0.18 mm/revMQL / Air blast
Titanium Alloy300-380 HB15-25 m/min0.03-0.05 mm/revHigh-pressure internal coolant

Operating Guidelines

GuidelineRecommendation
Runout ControlMaintain tool runout ≤ 0.01 mm at the tool tip. Use precision collets (ER16 or better) and verify spindle runout before operation.
Peck DrillingFor depths > 2×D, implement peck cycles with retract depth of 0.5×D to ensure chip breaking and evacuation.
Coolant StrategyInternal coolant (through-tool) at 20-40 bar pressure is strongly recommended for holes > 1.5×D. For external coolant, use high-volume flood delivery.
Entry AngleEnsure perpendicular entry (90° ± 1°) or use a spot drill/centre drill to prevent walk and chipping on entry.
Speed RampReduce cutting speed by 20% for the first 10 holes to condition the cutting edge (break-in period).
Chip InspectionMonitor chip formation. Ideal chips should be short comma-shaped or C-shaped. Long stringy chips indicate insufficient feed or worn edges.
Tool Life MonitoringReplace drill when flank wear (VB) reaches 0.15 mm or when hole tolerance exceeds h8. Do not attempt re-sharpening.
Workpiece FixturingEnsure rigid workpiece clamping. Minimum fixture mass should be 10× tool mass to suppress vibration.

Toolholder Compatibility

Holder TypeSpecificationCompatibility
Precision Collet ChuckER16, ER20 (≤ 3.0 mm collet)★★★★★ Recommended
Hydraulic ChuckHSK-E40, HSK-E50, BT30★★★★★ Premium Option
Shrink Fit Holder3.0 mm bore, HSK-E40★★★★☆ High rigidity
Drill ChuckKeyless precision (0.5-4 mm)★★★☆☆ Acceptable for short holes only
Modular Tool SystemKyocera MEV / MEX series★★★★☆ Direct integration

Packaging & Ordering Information

AttributeDetails
Individual PackagingPlastic protective tube with foam insert to prevent edge damage
Inner Box10 pieces per box with silica gel desiccant
Master Carton100 pieces per carton with shock-absorbing padding
LabelingEach tube marked with Kyocera hologram, part number, batch code, and manufacturing date
Minimum Order1 piece (no MOQ for standard catalog items)
Lead TimeStock items ship within 24 hours. Non-stock items: 4-6 weeks ex-works Japan
StorageStore in original packaging at 15-25°C, humidity < 60% RH. Avoid direct sunlight and corrosive atmospheres

Catalog Meta Data

AttributeValue
Product FamilySGM - Solid Carbide Micro Drills
Series PageKyocera Cutting Tools Catalog 2024, Section D-15
Replacement PolicyNon-returnable if opened or used. Defective items replaced under warranty
Warranty12 months from date of purchase against manufacturing defects
Country of OriginJapan
Harmonized Code8207.70.00 (Interchangeable tools for rock drilling / earth boring)
ECCN1C002.b (Dual-use carbide tooling - check local regulations)
RoHS ComplianceFully compliant with EU Directive 2011/65/EU
REACH ComplianceCompliant; no SVHC substances > 0.1% w/w

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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.

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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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Domestic Sourced

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% Genuine

100% メーカー正規品

Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.

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No Regional Markups

海外上乗せ利益なし

We bypass Western corporate sales teams and localized regional overhead costs entirely.