Kyocera 1.0" TX SGS35139 6FL .030R CR End Mill|Corner Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS35139
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Product Overview
The Kyocera SGS35139 is a precision-engineered 6-flute corner radius end mill from the S-Carb Series 43S (Corner Radius) family. Manufactured from Ti-NAMITE-X (AlTiN) nano-composite PVD coating with aluminum-titanium nitride multi-layer architecture. This 1.0" diameter tool is designed for high-speed profiling, semi-finishing, and slotting operations with strengthened corner geometry across a broad spectrum of workpiece materials.
ISO Designation Breakdown
| Manufacturer Designation | SGS35139 |
| Product Family | S-Carb Series 43S |
| Flute Count (z) | 6 |
| End Type | Corner Radius (CR) — .030" Radius |
| Grade / Coating | TX — Ti-NAMITE-X (AlTiN) |
| Cutting Direction | Right Hand |
| Helix Angle | 35° |
Engineering Dimensions & Geometry
| Parameter | Value (inch) | Tolerance |
|---|---|---|
| Cutting Diameter (DC) | 1.000 | +0.0000 / -0.0020 |
| Shank Diameter (DCON) | 1.000 | h6 |
| Length of Cut (APMX) | 1.500 | ±0.005 |
| Overall Length (LF) | 4.000 | ±0.010 |
| Corner Radius (RE) | 0.030" (Corner Radius) | +0.000 / -0.003 |
| Helix Angle | 35° | ±1° |
| Number of Flutes | 6 | — |
Grade Details — Key Grade Characteristics
TX represents Kyocera SGS's Ti-NAMITE-X (AlTiN) nano-composite PVD coating with aluminum-titanium nitride multi-layer architecture.
- Substrate Composition: Extreme hardness (~33 GPa), exceptional thermal stability up to 1,100°C, and superior oxidation resistance for high-speed dry machining.
- Coating Technology: Ti-NAMITE-X (AlTiN)
- Hardness: 92.5 HRA (substrate)
- TRS: ≥4,200 MPa
- Grain Size: 0.5–0.8 µm
The AlTiN coating forms a protective alumina (Al₂O₃) layer at cutting temperatures above 800°C, enabling dry machining of hardened steels and high-temp alloys. Ideal for high-speed, high-feed applications where coolant is limited or undesirable.
Grade Comparison Matrix
| Grade | Best Application | Relative Performance |
|---|---|---|
| Uncoated MG | General purpose, limited speed | Low cost, moderate life |
| Ti-NAMITE-X (AlTiN) | High-temp ferrous & hardened steels | Premium for dry high-speed machining |
| Ti-NAMITE-B (TiB₂) | Non-ferrous & abrasive materials | Not suitable for ferrous high-temp |
Flute & Chip Evacuation Profile
The 6-flute design with a 35° helix angle maximizes core strength and tool rigidity for aggressive material removal rates. The corner radius geometry features a precision-blended .030" radius at each corner, eliminating the stress concentration of a sharp 90° edge while maintaining near-square profiling capability. This design significantly extends tool life in interrupted cuts and high-feed applications.
- Flute Form: Parabolic core design for maximum rigidity
- Core Diameter: ~62% of cutting diameter for optimal chip pocket volume
- Chip Evacuation: Wide, polished flutes reduce chip recutting and heat buildup
- Edge Preparation: Micro-honed cutting edges (0.002–0.003" radius) improve edge stability
Recommended Applications & Workpiece Materials
This tool is optimized for the following material groups and machining scenarios:
| Material Group | Examples | Machinability |
|---|---|---|
| Carbon & Alloy Steels | 4140, 4340, A2, D2, H13 (≤55 HRC) | ★★★★★ Excellent |
| Stainless Steel | 304, 316, 17-4PH, 15-5PH | ★★★★★ Excellent |
| Cast Iron | Gray CI, Ductile Iron, ADI | ★★★★☆ Very Good |
| Hardened Steels | Hardened 4140, D2, M2 (45–55 HRC) | ★★★★★ Excellent |
| Titanium & Ni Alloys | Ti-6Al-4V, Inconel 718 | ★★★★☆ Very Good |
Application Map by Operation
| Operation | Suitability | Recommended Ae / Ap |
|---|---|---|
| Side Milling / Profiling | ★★★★★ Ideal | Ae: 0.3–0.8×DC | Ap: 0.5–1.5×DC |
| Semi-Finishing / Roughing | ★★★★★ Ideal | Ae: 0.4–0.8×DC | Ap: 0.5–1.5×DC |
| Finishing | ★★★★☆ Very Good | Ae: 0.1–0.3×DC | Ap: 0.2–0.5×DC |
| Slotting | ★★★★☆ Excellent | Ae: 1.0×DC | Ap: 0.5–1.0×DC |
| Trochoidal Milling | ★★★★☆ Very Good | Ae: 0.05–0.15×DC | Ap: 1.0–2.5×DC |
Recommended Cutting Conditions
Values below are starting parameters. Adjust based on machine rigidity, workpiece fixturing, and coolant delivery.
| Material | Vc (SFM) | RPM | Fz (IPT) | Feed (IPM) |
|---|---|---|---|---|
| Aluminum / Al Alloys | 750 | 11,460 | 0.0040 | 137 |
| Carbon Steel (≤30 HRC) | 200 | 3,055 | 0.0020 | 37 |
| Stainless Steel (304/316) | 150–200 | 2,290–3,055 | 0.0015 | 10–14 |
| Cast Iron (Gray/Ductile) | 250–350 | 3,820–5,350 | 0.0025 | 29–40 |
| Plastics / Composites | 600–900 | 9,160–13,740 | 0.0050 | 137–206 |
Note: RPM calculated at stated Vc for 1.0" diameter. Reduce speeds by 20–30% for full-slotting or long-overhang conditions.
Operating Guidelines
- Ramp Entry: Use helical or ramp entry at 1–2° angle; avoid plunging directly into solid material.
- Stepover (Ae): For finishing passes, maintain 30–50% of cutter diameter radial engagement. The .030" corner radius distributes cutting forces away from the fragile corner apex, reducing chipping by up to 60% versus sharp square corners.
- Stepdown (Ap): Limit axial depth to 0.5×DC in roughing; up to 1.0×DC in semi-finishing with reduced speeds.
- Coolant: Flood coolant recommended for steel and stainless; compressed air or mist acceptable for aluminum and plastics. For AlTiN-coated tools, dry machining is preferred in hardened steels to activate the self-lubricating alumina layer.
- Tool Runout: Maintain TIR ≤0.0005" at the tool tip to maximize tool life and surface quality.
- Chip Thinning: At low radial engagement (<20% DC), increase feed rate by 1.2–1.5× to maintain proper chip load.
Toolholder Compatibility
| Holder Type | Compatibility | Notes |
|---|---|---|
| ER Collet Chuck (ER32/ER40) | ★★★★★ Excellent | Use precision collets (AA grade) for best runout control |
| Hydraulic Chuck | ★★★★★ Excellent | Optimal damping for long-reach variants |
| Shrink-Fit Holder | ★★★★★ Excellent | Best rigidity and torque transmission |
| Milling Chuck (Power Chuck) | ★★★★☆ Very Good | Suitable for heavy roughing; verify clamping force |
| Side-Lock / Weldon | ★★★☆☆ Good | Acceptable for short tools; may induce runout on long tools |
Packaging & Ordering Information
| MPN / EDP | SGS35139 |
| Packaging Unit | 1 piece per plastic tube with end caps |
| Minimum Order Quantity | 1 |
| Stock Status | In Stock — Ships within 24 hours |
| Country of Manufacture | Japan |
| Warranty | Full manufacturer warranty against defects in material and workmanship |
Catalog Meta Data
| Catalog Series | S-Carb Series 43S |
| Catalog Page (2024) | General Purpose End Mills — Corner Radius Fractional |
| Replacement / Successor | None — Current production item |
| Cross-Reference | Compatible with standard 1.000" shank toolholders per DIN 1835-B |
| Technical Support | Contact Kyotow.com application engineering for speed/feed optimization |
Why Buy from Kyotow.com? Genuine OEM Kyocera SGS cutting tools, 100% authentic with full manufacturer warranty. Fast worldwide shipping, expert CNC tooling support, and bulk order discounts available.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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In-Stock Items (在庫あり):
Normally dispatched within 3 business days from the nearest regional warehouse. -
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
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100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect 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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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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