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Kyocera SGM PR1535 SGM08249 2FL Drill - Automotive Micro

Kyocera SGM PR1535 SGM08249 2FL Drill - Automotive Micro
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Kyocera SGM PR1535 SGM08249 2FL Drill - Automotive Micro
$22.74 USD
$37.91 USD
1 or more $22.74 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: SGM08249
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Product Overview

The Kyocera 0,25 DRILL 2FL SGM08249 is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. With a nominal diameter of 0,25mm, this tool is specifically designed for precision automotive, aerospace components, and mold making. It features an optimized 2-flute geometry that ensures exceptional chip evacuation, superior hole quality, and extended tool life in demanding production environments.

ISO Designation Breakdown

ElementCodeDescription
Tool CategoryDDrill (ISO 13399)
Diameter0,25Nominal cutting diameter in millimeters
Flute Count2FLTwo-flute design for balanced chip evacuation
SeriesSGMSuperior Grade Micro-drill series
MPNSGM08249Manufacturer Part Number
GradePR1535Micro-grain PVD-coated carbide

Engineering Dimensions & Geometry

ParameterValueTolerance
Cutting Diameter (D)0,25 mmh7 (-0.012 mm)
Flute Length (Lf)1.0 mm±0.10 mm
Overall Length (L)50 mm±0.50 mm
Shank Diameter (Ds)3.0 mmh6
Point Angle140°±2°
Helix Angle30°±2°

Grade Details - Key Grade Characteristics

The PR1535 grade is a micro-grain carbide substrate with advanced PVD multi-layer coating technology, specifically developed for high-precision micro-machining applications.

  • Substrate: Ultra-fine 0.5μm tungsten carbide grain structure for superior edge sharpness and wear resistance
  • Coating: TiAlN-based multi-layer PVD coating with enhanced hardness (HV 3,200) and oxidation resistance up to 850°C
  • Edge Preparation: Micro-honed edge radius (4–6μm) for optimal edge stability without compromising sharpness
  • Surface Finish: Mirror-polished flute surfaces (Ra 0.05μm) to minimize friction and prevent chip adhesion

Grade Comparison Matrix

GradeCoatingHardnessBest For
PR1535TiAlN PVD Multi-layer92.5 HRASteel, Stainless, High-precision
CA6535Uncoated91.5 HRAAluminum, Copper, Non-ferrous
PR1725TiSiN PVD93.0 HRAHardened steel >50 HRC

Chipbreaker Profile

The 0,25mm SGM series features an optimized point geometry and flute design specifically engineered for micro-drilling operations:

  • Point Geometry: Modified split-point design with self-centering capability to reduce thrust force by up to 40%
  • Flute Profile: Parabolic flute form with increased core taper for enhanced chip evacuation in deep-hole applications
  • Margin Design: Dual-margin configuration with polished lands to ensure hole straightness and dimensional accuracy
  • Edge Geometry: Precision-ground primary and secondary relief angles optimized for 0,25mm diameter

Recommended Applications & Workpiece Materials

Material GroupExamplesMachinability
Carbon SteelC45, C50, 1045, 1050★★★★★ Excellent
Alloy Steel4140, 4340, 20CrMo★★★★☆ Very Good
Stainless Steel304, 316, 17-4PH★★★★☆ Very Good
Cast IronGG25, GGG40, FC250★★★★☆ Very Good
Aluminum Alloy6061, 7075, 2024★★★★★ Excellent

Application Map by Operation

Operation TypeSuitabilityMax Depth (L/D)Notes
Through-hole Drilling✓ Recommended4xDOptimal chip evacuation
Blind-hole Drilling✓ Recommended4xDUse peck cycle recommended
Micro-interpolation△ PossibleRequires rigid setup
Enlarging✗ Not RecommendedUse dedicated reamer

Recommended Cutting Conditions

Workpiece MaterialCutting Speed Vc (m/min)Feed f (mm/rev)Coolant
Carbon Steel (<30 HRC)25–400.0080–0.0120External / MQL
Alloy Steel (30–45 HRC)20–350.0070–0.0110External / Through-spindle
Stainless Steel18–300.0060–0.0100External / Through-spindle
Aluminum Alloy50–800.0150–0.0250Air blast / MQL
Cast Iron30–500.0090–0.0130Dry / Air blast

Operating Guidelines

  • Peck Drilling: For holes deeper than 2xD, use a peck cycle with retract of 0.5–1xD to ensure proper chip evacuation and prevent breakage. Recommended peck cycle for depths >2xD
  • Coolant Strategy: Through-spindle coolant (20–50 bar) recommended
  • Runout Tolerance: Maintain total indicated runout (TIR) below 5μm at the tool tip for optimal tool life and hole quality
  • Entry Angle: When drilling inclined surfaces, use a spot drill or center drill first, or reduce feed to 50% for the first 0.3mm
  • Speed Ramp: Reduce cutting speed by 15–20% when entering cross-holes or interrupted cuts

Toolholder Compatibility

Holder TypeRecommended SizeTIR CapabilityBest For
Precision Collet ChuckER11 / ER16 (φ3mm)<5μmGeneral precision drilling
Hydraulic ChuckHSK-E32 / HSK-E40<3μmHigh-speed micro-drilling
Shrink Fit Chuckφ3mm interface<2μmUltra-precision applications

Packaging & Ordering Information

ItemDetails
Packaging Unit1 piece per plastic protective tube
Minimum Order Quantity1 piece
Lead TimeStock item — available for immediate dispatch
WarrantyFull manufacturer warranty against defects

Catalog Meta Data

AttributeValue
Product SeriesSGM — Superior Grade Micro-drill
Tool CategorySolid Carbide Drill — 2 Flute
ManufacturerKyocera Corporation
Catalog PageSGM Series Micro-Drills 2026
Last UpdatedJune 2026

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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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

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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.