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Kyocera D88 PR1535 CDR00239 Drill - High-Precision CNC

Kyocera D88 PR1535 CDR00239 Drill - High-Precision CNC
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Kyocera D88 PR1535 CDR00239 Drill - High-Precision CNC
$58.72 USD
$97.86 USD
1 or more $58.72 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: CDR00239
This product has a minimum quantity of 10
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Product Overview

The Kyocera D88 PR1535 CDR00239 is a premium solid carbide drill engineered for high-precision CNC machining operations. With a diameter of 6.0 mm and an 3xD flute design, this drill delivers exceptional hole accuracy, superior surface finish, and extended tool life in demanding production environments. Manufactured in Japan using Kyocera's advanced powder metallurgy and PVD coating technology, the D88 series sets the standard for reliability in modern manufacturing.

ISO Designation Breakdown

ISO DesignationD88-0600-3xD-PR1535-CDR00239
Product FamilyD88 — Solid Carbide Drill
Diameter (D)6.0 mm
Length-to-Diameter Ratio3xD
Grade CodePR1535
Manufacturer Part NumberCDR00239

Engineering Dimensions & Geometry

ParameterSpecificationTolerance
Cutting Diameter (D1)6.0 mmh7 (±0.010 mm)
Overall Length (L1)48 mm±1.0 mm
Flute Length (L2)18 mm±0.5 mm
Shank Diameter (D2)6.0 mmh6 (±0.008 mm)
Point Angle140°±2°
Helix Angle30°±1°
Margin Width0.12 mm±0.02 mm
Core Thickness Ratio0.22 × D1

Grade Details — Key Grade Characteristics

CharacteristicSpecification
Grade DesignationPR1535
Substrate MaterialUltra-Fine WC-Co
Hardness92.0 HRA
Coating TechnologyTiAlN PVD Multi-Layer
Coating Thickness2.5 – 3.5 μm
Friction Coefficient0.35 – 0.45
Oxidation ResistanceUp to 900°C
Transverse Rupture Strength3,800 MPa

Grade Comparison Matrix

GradeWear ResistanceToughnessBest For
PR1535★★★★★★★★★☆Steel, Stainless Steel, Cast Iron
PR1225★★★★☆★★★★★Interrupted Cuts, Tough Materials
CA025P★★★★★★★★☆☆Hardened Steel (>50 HRC)
PR1705★★★☆☆★★★★☆Aluminum, Non-Ferrous

Chipbreaker Profile

ParameterValue
Chipbreaker CodeFW
Profile TypePrecision Ground Parabolic Flute
Flute Width2.1 mm
Chipbreaker Depth0.48 mm
Chip FormingShort Spiral / C-Shaped Chips
Evacuation ChannelPolished Mirror Surface (Ra 0.05 μm)

Recommended Applications & Workpiece Materials

The D88 PR1535 is optimized for the following material groups and applications:

Material GroupHardness RangePerformance Rating
Carbon Steel (C45, C50)< 30 HRC★★★★★ Excellent
Alloy Steel (4140, 4340)30 – 45 HRC★★★★★ Excellent
Stainless Steel (304, 316)< 35 HRC★★★★☆ Very Good
Cast Iron (GG25, GGG40)★★★★★ Excellent
Hardened Steel45 – 55 HRC★★★☆☆ Good
Titanium Alloy (Ti6Al4V)★★★★☆ Very Good

Application Map by Operation

Operation TypeSuitabilityNotes
Through-Hole Drilling✓ IdealFull chip evacuation with internal coolant
Blind-Hole Drilling✓ IdealPrecise depth control, reduced burr formation
Peck Drilling✓ RecommendedUse 1.5–2D peck depth for optimal chip breaking
Stack Drilling△ CautionEnsure rigid clamping and alignment
Micro-Drilling✗ Not ApplicableFor diameters < 2.0 mm, use D88-Micro series
Trepanning✗ Not RecommendedUse dedicated trepanning tools

Recommended Cutting Conditions

MaterialCutting Speed (Vc)Feed (fn)RPM (n)
Carbon Steel92 m/min0.16 mm/rev4880 min⁻¹
Alloy Steel78 m/min0.144 mm/rev4148 min⁻¹
Stainless Steel64 m/min0.136 mm/rev3416 min⁻¹
Cast Iron101 m/min0.176 mm/rev5368 min⁻¹
Hardened Steel (50 HRC)46 m/min0.112 mm/rev2440 min⁻¹
Titanium Alloy55 m/min0.128 mm/rev2928 min⁻¹

Note: Values are starting recommendations. Optimize based on machine rigidity, coolant delivery, and hole depth. Use internal coolant pressure ≥ 20 bar for optimal performance.

Operating Guidelines

  • Coolant: Use water-soluble coolant (8–10% concentration) or neat oil. Minimum internal coolant pressure: 20 bar (290 psi).
  • Run-In: For first 10 holes, reduce Vc by 20% and fn by 15% to stabilize cutting edge.
  • Peck Cycle: Recommended peck depth = 1.5–2.0 × D for depths > 3×D. Retract fully to clear chips.
  • Entry Angle: Ensure perpendicular entry (±0.5°) or use spot drill (120°) to prevent walk-off.
  • Exit Strategy: Reduce feed by 30% when breaking through to minimize burr formation.
  • Tool Life Check: Monitor flank wear (VB). Resharpen or replace when VB > 0.3 mm or when surface finish degrades.
  • Storage: Store in original packaging at 15–25°C, humidity < 60%. Avoid contact with corrosive agents.

Toolholder Compatibility

Holder TypeCompatible ModelCollet / Sleeve
Hydraulic ChuckKTF-SD-060-HHydraulic Expansion (±0.003 mm)
ER Collet ChuckKTF-SD-060-ERER60 (DIN 6499)
Shrink Fit HolderKTF-SD-060-SFH5 Interference Fit
Milling ChuckKTF-SD-060-MWedge Clamping (±0.005 mm)

Runout tolerance: < 0.005 mm at 3×D. Use balanced holders (G2.5 @ 20,000 rpm) for high-speed applications.

Packaging & Ordering Information

ItemDetails
MPN (Manufacturer Part Number)CDR00239
Packaging Unit1 Piece / Plastic Tube with Foam Insert
Tube DimensionsØ 12 mm × 68 mm
Label InformationQR Code, Batch Number, Grade, Diameter, Coating Date
Minimum Order Quantity1 Piece
Bulk Packaging10 Pieces / Box (for orders ≥ 10 units)
WarrantyFull Manufacturer Warranty — 12 Months from Invoice Date
Certificate of ConformanceAvailable on Request (ISO 9001:2015 Traceable)

Catalog Meta Data

AttributeValue
Catalog SeriesD88 — Solid Carbide Drill
Product CategoryRotating Tools > Drills > Solid Carbide
ECLASS Category27-27-21-01 (Solid Carbide Drill)
UNSPSC Code23241600 (Drills and Drill Bits)
Harmonized Code (HS)8207.50.00
Country of OriginJapan
RoHS ComplianceYes (2011/65/EU)
REACH ComplianceYes (EC 1907/2006)
Last Catalog Update2026-06-01
Lifecycle StatusActive — Current Generation

All specifications are subject to standard manufacturing tolerances. For critical applications, request a detailed drawing or technical datasheet from our engineering team. Images are for reference only; actual product may vary slightly in appearance.

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.

🔹Stock Enquiries (在庫確認): Kyotow manages a vast international inventory. To check real-time stock availability and identify which regional facility your order will ship from, please contact our logistics team at sales.kyotow@gmail.com.

🔹Order Processing Pipeline:

  • 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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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.