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Kyocera SEEN1203AFFR-W KW10 TWE00803 Milling Insert - Milling

Kyocera SEEN1203AFFR-W KW10 TWE00803 Milling Insert - Milling
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Kyocera SEEN1203AFFR-W KW10 TWE00803 Milling Insert - Milling
$8.57 USD
$14.28 USD
1 or more $8.57 USD
  • Stock: In Stock
  • Model: Milling Inserts
  • Weight: 0.05kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: TWE00803
This product has a minimum quantity of 10
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Kyocera SEEN42AFFRW KW10 Grade Uncoated Carbide, Indexable Milling Insert

Product Overview

The Kyocera SEEN1203AFFR-W KW10 Grade Uncoated Carbide Indexable Milling Insert is a precision-engineered cutting tool manufactured by Kyocera in Japan. offers consistent chip evacuation and reduced cutting forces, making it ideal for CNC milling centers performing chamfering, facing operations. The SEEN1203AFFR-W features a 90 Degree Square geometry with 1 usable cutting edges, engineered to deliver versatile machining capability across multiple milling applications. minimizes downtime and reduces cost-per-part.

ISO Designation Breakdown

ISO Designation Decoder
ISO CodeSEEN1203AFFR-W
Series / StyleMSE — SEEN Milling Insert Family
Insert Shape90 Degree Square
Inscribed Circle (IC)1/2"
Hand of CutRight-Hand
ChipbreakerAFFR-W (Wiper Edge Profile)
GradeKW10 — Uncoated Fine-Grain Carbide
ANSI EquivalentSEEN42AFFRWKW10

Engineering Dimensions & Geometry

Physical & Geometric Specifications
Inscribed Circle (IC)1/2"
Insert Thickness1/8"
Included Angle90°
Corner RadiusSharp
Number of Cutting Edges1
Hand of CutRight-Hand
Rake AnglePositive (optimized for low cutting forces)
Clearance Angle11° (standard relief for milling operations)
Insert StyleSEEN — 90 Degree Square Milling Platform

Grade Details - Key Grade Characteristics

KW10 is a premium uncoated fine-grain tungsten carbide grade engineered by Kyocera for general-purpose milling and multi-operation machining. The micro-grain structure (sub-micron particle size) provides an optimal balance of hardness and toughness, delivering a sharp, stable cutting edge that withstands the intermittent cutting forces characteristic of milling operations.

  • Substrate: Ultra-fine WC-Co carbide (ISO K10 equivalent classification)
  • Hardness: ~91.5 HRA, providing excellent wear resistance at moderate speeds
  • Coating: Uncoated (bare substrate) to preserve edge sharpness for fine finishing
  • Edge Preparation: Precision-honed T-land for burr-free surface formation
  • Thermal Stability: Stable performance up to 400°C without oxidation degradation
  • Primary Advantage: Superior edge stability under intermittent cutting loads

Grade Comparison Matrix

GradeCoatingBest ForSpeed Range
KW10UncoatedSteel, Cast Iron, Non-FerrousLow–Moderate
KW20UncoatedHardened Steel, Abrasive Cast IronLow
PR930PVD CoatedStainless Steel, High-Temp AlloysModerate–High
CA310CVD CoatedGeneral Steel, High-Speed MillingHigh

Chipbreaker Profile

The SEEN1203AFFR-W features a wiper edge profile geometry optimized for chamfering, facing. The low cutting force profile directs chips away from the workpiece surface, preventing chip recutting and protecting finished surfaces under high-speed milling conditions.

  • Chipbreaker Type: AFFR-W (Wiper Edge Profile)
  • Rake Angle: Positive for reduced cutting forces in milling
  • Flank Relief: Standard 11° clearance for milling cutter bodies
  • Chip Flow: Controlled curl and evacuation from cutting zone
  • Edge Condition: Micro-honed for balance of sharpness and edge strength

Recommended Applications & Workpiece Materials

The KW10 substrate and uncoated edge make the SEEN1203AFFR-W particularly effective on materials where edge sharpness and impact resistance are critical. Recommended workpiece materials include:

  • Carbon & Alloy Steels (up to 35 HRC) — Excellent surface finish and predictable tool life
  • Stainless Steels (304, 316, 430 series) — Reduced work-hardening tendency due to sharp edge
  • Cast Iron (Gray, Ductile) — Stable cutting with excellent wear resistance
  • Non-Ferrous Metals (Aluminum, Brass, Copper) — Mirror finish achievable without built-up edge
  • Titanium Alloys (Ti-6Al-4V) — Suitable for low-speed precision milling with adequate coolant

Application Map by Operation

Operation TypeSuitabilityNotes
Facing★★★★★ ExcellentPrimary application; use with face milling cutter body
Chamfering★★★★★ ExcellentSharp edge ideal for precise 45° chamfer generation
Shouldering★★★★☆ Very Good90° square geometry provides clean 90° shoulders
Countersinking / V-Slotting★★★★☆ Very GoodLow cutting force profile ideal for plunge milling
Back Chamfering★★★☆☆ GoodRequires reverse-rotation capable cutter body

Recommended Cutting Conditions

Workpiece MaterialCutting Speed Vc (m/min)Feed per Tooth fz (mm)Axial Depth ap (mm)
Mild Steel (C<0.3%)80 – 1500.05 – 0.150.5 – 3.0
Alloy Steel (30–35 HRC)60 – 1000.04 – 0.120.5 – 2.5
Stainless Steel (304/316)50 – 800.04 – 0.100.5 – 2.0
Gray Cast Iron (HB 180–220)60 – 1000.06 – 0.181.0 – 4.0
Aluminum Alloy (6061-T6)150 – 3000.08 – 0.250.5 – 4.0
Titanium Alloy (Ti-6Al-4V)15 – 300.03 – 0.080.5 – 1.5

Note: Values are starting recommendations for milling. Optimize based on cutter body rigidity, coolant delivery, and workpiece setup. Reduce speeds by 20% for chamfering and countersinking operations.

Operating Guidelines

  • Cutter Body Selection: Use SEEN-compatible milling cutter bodies with precise pocket tolerances (±0.01 mm) to maintain cutting edge runout below 0.02 mm.
  • Insert Seating: Ensure the insert sits fully in the pocket without debris. Torque clamping screw to 2.5–3.5 N·m; do not overtighten.
  • Coolant Recommendation: Flood coolant or through-spindle coolant (TSC) is strongly recommended for steel and stainless steel to prevent chip recutting. For cast iron and aluminum, dry machining or MQL is acceptable.
  • Depth of Cut Strategy: For facing, use 0.5–1.0× insert IC for optimal chip formation. For chamfering, reduce axial depth to match chamfer width.
  • Indexing: When flank wear exceeds 0.10 mm or surface finish degrades, index to a fresh cutting edge. Discard insert when all edges are exhausted.
  • Cutter Runout: Maintain cutter body runout below 0.02 mm TIR to prevent uneven tool wear and chatter marks.

Toolholder Compatibility

The SEEN1203AFFR-W is designed to seat in standard SEEN series milling cutter bodies. Compatible cutter families include:

  • Kyocera SEEN-F Face Milling Cutters (matching IC size)
  • Kyocera SEEN-C Chamfer Milling Cutters (45° and 60° chamfer angles)
  • ISO 1832 Type S (Square Milling) compliant pockets
  • Clamp systems: Screw-lock or wedge-lock for secure retention under centrifugal loads

Verify cutter pocket geometry (IC, thickness, and seat angle) matches insert specifications before mounting. Incompatible cutters may cause vibration, poor surface finish, and insert ejection at high speeds.

Packaging & Ordering Information

Order & Packaging Details
Manufacturer Part NumberTWE00803
ISO DesignationSEEN1203AFFR-W
ANSI DesignationSEEN42AFFRWKW10
Packaging UnitPack of 10 inserts in sealed plastic container
Individual LabelingEach insert laser-marked with ISO code and grade
Country of OriginJapan
Weight (per 10-pack)0.047 kg
WarrantyFull manufacturer warranty against material and manufacturing defects

Catalog Meta Data

Catalog & System Information
Product FamilyKyocera Indexable Milling Inserts
Series CodeMSE
Tool CategoryIndexable Carbide Insert — Milling
Grade ClassUncoated Fine-Grain (ISO K10 / K20 Range)
Industry StandardsISO 1832, ANSI B212.4, JIS B 4120
ECCN Classification1A999 (General Industrial Cutting Tools)
Last Catalog Update2026-Q2 Rev. 3.2
Replacement PolicyCross-reference available to prior SEEN generation inserts

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This package contains a genuine Kyocera product manufactured according to strict global quality standards. Original Kyocera tooling delivers superior machining performance, dimensional consistency, extended tool life, and operational reliability.
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  • Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
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    Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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