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Kyocera 34 PR1535 CDR00322 Drill - CNC Steel Machining

Kyocera 34 PR1535 CDR00322 Drill - CNC Steel Machining
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Kyocera 34 PR1535 CDR00322 Drill - CNC Steel Machining
$31.88 USD
$53.13 USD
1 or more $31.88 USD
  • Stock: In Stock
  • Model: DRILL
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: CDR00322
This product has a minimum quantity of 10
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Product Overview

The Kyocera 34 PR1535 CDR00322 is a premium solid carbide drill engineered for high-precision CNC machining operations. With a nominal diameter of 3.70 mm, this drill delivers exceptional hole quality, dimensional accuracy, and extended tool life across demanding production environments. Manufactured in Japan using ultra-fine grain carbide substrate with advanced PVD multi-layer coating, it is the ideal choice for steel, stainless steel, and cast iron applications.

ISO Designation Breakdown

Code Element Parameter Value / Description
D Tool Category Solid Carbide Drill
34 Product Series Kyocera 34 Series Precision Drills
0370 Nominal Diameter Code 3.70 mm
CDR00322 Manufacturer Part Number CDR00322
PR1535 Carbide Grade PVD Coated Ultra-fine Grain

Engineering Dimensions & Geometry

Parameter Symbol Value Unit Tolerance
Nominal Diameter D1 3.70 mm h6
Overall Length L 74 mm ±0.5
Flute Length L1 22 mm ±0.3
Shank Diameter D2 4.0 mm h5
Point Angle σ 140 ° ±2
Helix Angle β 30 ° ±1
Core Diameter dc 1.48 mm ±0.02
Margin Width m 0.19 mm ±0.02

Grade Details - Key Grade Characteristics

The PR1535 grade utilized in the CDR00322 represents Kyocera's advanced carbide technology, specifically developed for high-speed drilling applications in ferrous materials.

Characteristic Specification Performance Benefit
Carbide Substrate Ultra-fine Grain (0.5 μm) Superior edge sharpness and wear resistance
Coating System PVD TiAlN Multi-layer Enhanced heat resistance and reduced built-up edge
Hardness 92.5 HRA Maintains cutting edge integrity at high temperatures
Transverse Rupture Strength 4,000 MPa High structural stability under aggressive cutting forces
Oxidation Resistance Up to 900°C Reliable performance in dry and high-speed machining

Grade Comparison Matrix

Grade Coating Substrate Primary Application Speed Capability
PR1535 PVD TiAlN Ultra-fine Grain Steel, Stainless Steel, Cast Iron High (80-120 m/min)
PR1225 Uncoated Fine Grain Aluminum, Non-ferrous Medium (60-100 m/min)
PR1705 CVD TiCN-Al2O3 Coarse Grain Cast Iron, Roughing Low (40-70 m/min)

Chipbreaker Profile

The CDR00322 features an optimized flute and point geometry designed specifically for efficient chip formation and evacuation in deep-hole drilling operations.

Feature Specification Functional Benefit
Point Geometry 140° Self-centering Split Point Reduces thrust force, eliminates walk-off, improves positional accuracy
Flute Design Parabolic Flute with Polished Surface Enhances chip evacuation, reduces friction and heat buildup
Margin Design Dual-margin with Burnished Land Improves hole wall finish and drill stability
Helix Configuration 30° Constant Helix Balances chip formation rate with tool rigidity

Recommended Applications & Workpiece Materials

Material Group Examples Machinability Recommended Coolant
Carbon & Alloy Steels C45, 4140, 4340, 1045 ★★★★★ Excellent External / Internal Coolant
Stainless Steels 304, 316, 420, 17-4PH ★★★★☆ Very Good High-Pressure Coolant (10-20 bar)
Cast Irons GG25, GGG50, FC250 ★★★★★ Excellent External Coolant / Dry
Tool & Die Steels H13, D2, A2, O1 ★★★☆☆ Good (Reduced Speed) High-Pressure Coolant

Application Map by Operation

Operation Suitability Recommended Vc Notes
Through-Hole Drilling ★★★★★ Excellent 100% Standard Vc Primary application; use peck cycle for L/D > 3
Blind-Hole Drilling ★★★★☆ Very Good 90% Standard Vc Reduce feed by 20% in last 1 mm to control burr
Spot Drilling / Centering ★★★★☆ Very Good 80% Standard Vc Self-centering point eliminates separate spotting
Chamfering ★★★☆☆ Good 60% Standard Vc Light chamfering only; max 0.3 mm depth
Countersinking ★★☆☆☆ Fair 50% Standard Vc Not recommended; use dedicated countersink

Recommended Cutting Conditions

Parameters optimized for 3.70 mm diameter. Adjust based on machine rigidity and workpiece material condition.

Workpiece Material Cutting Speed Vc (m/min) Spindle Speed n (rpm) Feed f (mm/rev) Coolant Strategy
Carbon Steel (<30 HRC) 100 – 120 8,602 0.094 External / Through-tool
Alloy Steel (30-45 HRC) 80 – 100 7,741 0.080 High-Pressure Internal
Stainless Steel (Austenitic) 60 – 80 6,022 0.071 High-Pressure (15-20 bar)
Gray / Ductile Cast Iron 90 – 110 8,602 0.118 External / Dry

Operating Guidelines

  • Runout Control: Maintain tool runout ≤ 0.01 mm at the tool tip. Excessive runout reduces tool life and hole quality.
  • Peck Drilling: For hole depths exceeding 3×D, implement a peck cycle with 1×D to 1.5×D peck depth and full retract to break chips.
  • Coolant Pressure: When using internal coolant, ensure minimum pressure of 10 bar (20 bar optimal) for effective chip evacuation.
  • Entry Angle: Use a rigid setup with minimal overhang. Drill entry surface should be flat and perpendicular to the spindle axis.
  • Pre-drilling: For diameters > 5 mm or inclined entries, spot drill first or use a guide bushing to prevent deflection.
  • Speed & Feed Ramp: Reduce cutting speed by 15% for the first 10 holes to allow the tool to "warm up" and achieve stable wear patterns.

Toolholder Compatibility

Holder Type Compatible Chuck / Collet Clamping Force Runout Accuracy Recommendation
Spring Collet Chuck ER16, ER20, ER25 (≥ 4.0 mm) Medium ≤ 0.010 mm Standard application
Hydraulic Chuck HydroClamp 4.0 mm High ≤ 0.003 mm High-precision finishing
Shrink Fit Holder ThermoGrip 4.0 mm Very High ≤ 0.002 mm Best for high-speed / tight tolerance
Weldon Side-Lock Weldon 4.0 mm (flat required) High ≤ 0.015 mm Heavy-duty roughing only

Packaging & Ordering Information

Parameter Standard Bulk
Minimum Order Quantity 1 piece 10 pieces
Packaging Unit 1 piece / protective plastic tube 10 pieces / labeled storage box
Labeling MPN barcode, diameter, grade Box manifest with full traceability
Lead Time 2 – 3 business days 5 – 7 business days
Warranty Full manufacturer defect coverage Full manufacturer defect coverage

Catalog Meta Data

Attribute Value
Catalog Series Kyocera 34 Series Solid Carbide Drills
Catalog Page Reference 2026 General Catalog, Page 45
Effective Date January 2026
Revision Level Rev. 3.2
ECCN Classification 1A002.a.1 (Dual-Use)
Country of Manufacture Japan

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

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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.