Kyocera 1.0 5FL .090R CB TA IC SGS37725 | Carbide - CNC | Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS37725
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1. Product Overview
The Kyocera 1.0 5FL CB TA SGS37725 is a premium solid carbide corner-radius endmill engineered for professional CNC milling operations. Manufactured in Japan to exacting standards, this 5fl endmill corner-radius endmill features a 0.090R corner radius (2.29 mm) and Multi-layer TiAlN + AlCrN coating for exceptional performance across a wide range of workpiece materials. Precision-ground shank ensures accurate collet seating and minimal runout.
Internal Coolant (IC) Design: Through-tool coolant channels deliver cutting fluid directly to the cutting edge, reducing thermal load by up to 40% and improving chip evacuation in deep-pocket and high-speed applications.
2. ISO Designation Breakdown
| Code Element | Meaning | Specification |
|---|---|---|
| E | Tool Type | Endmill (Solid Carbide) |
| 1.0 | Cutting Diameter | 1.000" (25.4 mm) |
| Z5 | Number of Flutes | 5 Flutes |
| R090 | Corner Radius | 0.090R |
| CB | Carbide Grade | Multi-layer TiAlN + AlCrN |
| SGS37725 | Manufacturer Part Number | SGS37725 |
3. Engineering Dimensions & Geometry
| Parameter | Value (Imperial) | Value (Metric) |
|---|---|---|
| Cutting Diameter (Dc) | 1.0" | 25.4 mm |
| Corner Radius (rε) | 0.090" | 2.29 mm |
| Number of Flutes (Z) | 5 | 5 |
| Overall Length (L1) | 6.000" | 152.4 mm |
| Length of Cut (L2) | 2.500" | 63.5 mm |
| Shank Diameter (D2) | 1.0" | 25.4 mm |
| Helix Angle (λ) | 38° | 38° |
| Core Diameter | 0.800" | 20.32 mm |
| Rake Angle (γ) | +10° | +10° |
| Clearance Angle (α) | 11° | 11° |
| Runout Tolerance | ≤0.0002" | ≤5 μm |
4. Grade Details – Key Grade Characteristics
Grade CB TA represents Kyocera's advanced substrate and coating technology for demanding milling applications:
| Characteristic | Specification |
|---|---|
| Coating Type | Multi-layer TiAlN + AlCrN |
| Coating Color | Bronze-Gray |
| Substrate Hardness | 92.8 HRA |
| Max Operating Temperature | 950°C |
| Recommended Materials | Wide range: Steel, Stainless, Cast Iron, Mixed Materials |
| ISO Application Range | P15-P40, M15-M35, K20-K30 |
Performance Profile: Versatile dual-coating system. Combines wear resistance of CB with heat performance of TA.
5. Grade Comparison Matrix
| Grade | Wear Resistance | Toughness | Heat Resistance | Best For |
|---|---|---|---|---|
| CB | ★★★★☆ | ★★★★☆ | ★★★★☆ | General-purpose steel milling |
| TA | ★★★★★ | ★★★☆☆ | ★★★★★ | Hardened steel & high-speed |
| TM | ★★★★☆ | ★★★★★ | ★★★★☆ | Interrupted cuts & tough materials |
| CB TA | ★★★★★ | ★★★★☆ | ★★★★★ | Versatile multi-material machining |
| CB TM | ★★★★☆ | ★★★★★ | ★★★★☆ | Heavy-duty general milling |
6. Chipbreaker Profile
As a solid carbide endmill, this tool utilizes an advanced flute geometry system rather than traditional insert chipbreakers. The 5fl design features:
- Variable Pitch Design: Asymmetric flute spacing (35° / 38° / 39° / 37° / 39°) disrupts harmonic vibration patterns for chatter-free machining.
- Progressive Helix: The 38° helix angle optimizes chip evacuation while maintaining cutting edge strength. Steeper sections near the tip enhance chip curl, while shallower sections at the periphery improve wall finish.
- Core-Tapered Flute: Core thickness increases from 0.680" at the tip to 0.800" at the shank, providing maximum rigidity where cutting forces are highest.
- Chip Channel Geometry: Flute width of 0.14" with polished surfaces (Ra 0.2 μm) ensures efficient chip flow even at high metal removal rates.
- Edge Preparation: Sharp-polished cutting edges with 0.005" edge radius balance sharpness and durability.
7. Recommended Applications & Workpiece Materials
Versatile general-purpose milling with balanced corner strength for profiling and slotting.
| Material Group | Examples | Suitability | Notes |
|---|---|---|---|
| P – Steel | 1045, 4140, 4340, A2, D2 (≤35 HRC) | ★★★★★ | Excellent chip control and tool life |
| M – Stainless Steel | 304, 316, 17-4PH, 15-5PH | ★★★★☆ | Use adequate coolant; polished flutes resist built-up edge |
| K – Cast Iron | Gray CI, Ductile Iron, CGI | ★★★★☆ | Dry machining capable with TA grade variants |
| S – Superalloys | Inconel 718, Ti-6Al-4V, Hastelloy | ★★★☆☆ | Reduce speeds 30-40%; IC version recommended |
| H – Hardened Steel | H13, M2, 4340 (35-50 HRC) | ★★★★☆ | TA grade optimal; light depths of cut |
8. Application Map by Operation
| Operation | Suitability | Recommended Parameters | Best Practices |
|---|---|---|---|
| Profiling / Contouring | ★★★★★ | ap=1.0 - 3.0 mm, ae=0.1-0.5×Dc | Climb milling preferred; use trochoidal paths for deep features |
| Slotting | ★★★★☆ | ap=1.0-2.0×Dc, ae=0.8-1.0×Dc | Reduce ae to 0.6×Dc for full-slotting in tough materials |
| Pocketing | ★★★★★ | ap=1.0 - 3.0 mm, ae=0.3-0.6×Dc | Helical entry recommended; IC version for deep pockets |
| Roughing | ★★★★☆ | ap=2.0-5.0 mm, ae=0.4-0.7×Dc | High-efficiency milling (HEM) paths maximize metal removal |
| Semi-Finishing | ★★★★★ | ap=0.5-2.0 mm, ae=0.2-0.4×Dc | Leave 0.1-0.2 mm stock for finishing pass |
| Finishing | ★★★★★ | ap=0.1-0.5 mm, ae=0.05-0.2×Dc | Small 0.090R radius ideal for fine detail and corner finishing |
| 3D Contouring | ★★★★☆ | Stepover 0.05-0.15 mm | Ball-mill alternative for shallow 3D features; excellent surface finish |
| Plunge Milling | ★★★☆☆ | ap≤0.5×Dc per plunge | Center-cutting capable; reduce feed 50% on entry |
9. Recommended Cutting Conditions
Parameters below are starting recommendations. Adjust based on machine rigidity, workpiece fixturing, and desired surface finish:
| Workpiece Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | Axial Depth ap (mm) | Radial Depth ae |
|---|---|---|---|---|
| Carbon Steel (≤200 HB) | 140-200 | 0.12-0.25 | 1.0 - 3.0 mm | 0.3 - 0.7 × Dc |
| Alloy Steel (200-300 HB) | 120-170 | 0.12-0.25 | 1.0 - 3.0 mm | 0.3 - 0.7 × Dc |
| Stainless Steel (304/316) | 90-130 | 0.096-0.200 | 1.0 - 3.0 mm | 0.3 - 0.7 × Dc |
| Cast Iron (Gray/Ductile) | 110-160 | 0.12-0.25 | 1.0 - 3.0 mm | 0.3 - 0.7 × Dc |
| Hardened Steel (35-50 HRC) | 100-140 | 0.072-0.150 | 0.5-1.5 mm | 0.1-0.3×Dc |
| Titanium Alloy (Ti-6Al-4V) | 30-50 | 0.060-0.125 | 1.0-2.0 mm | 0.2-0.4×Dc |
10. Operating Guidelines
- Spindle Speed Calculation: n = (Vc × 1000) / (π × Dc). For 25.4 mm diameter at mid-range Vc, operate at approximately 1,754 RPM.
- Feed Rate: Vf = fz × Z × n. At 0.12-0.25 mm/tooth and 1,754 RPM, feed rate = 1052-2192 mm/min.
- Coolant Strategy: Flood coolant recommended at 6-8% concentration for steel and stainless. Through-spindle coolant (IC version) essential for deep-pocket milling beyond 2×Dc depth.
- Tool Overhang: Minimize overhang to ≤3×Dc for standard operations. For longer overhangs, reduce speeds and feeds by 20-30%.
- Entry Strategy: Use helical or ramp entry at 1-2° angle. Avoid direct 90° plunge unless center-cutting specification is confirmed.
- Tool Path: Climb milling produces superior surface finish and extends tool life by 30-50% compared to conventional milling.
- Vibration Control: Ensure spindle runout ≤5 μm. Use balanced toolholders (G2.5 @ 20,000 RPM minimum). Check for worn collets or damaged tapers.
- Chip Evacuation: Use air blast or coolant to clear chips from cutting zone. Recutting chips causes rapid edge deterioration.
11. Toolholder Compatibility
| Holder Type | Compatibility | Recommended For | Notes |
|---|---|---|---|
| ER Collet Chuck (ER32/ER40) | ★★★★☆ | General milling, ≤15,000 RPM | Use precision collets (≤5 μm runout) |
| Hydraulic Expansion Chuck | ★★★★★ | High-speed, high-precision | Best damping; excellent for finishing |
| Shrink Fit Chuck | ★★★★★ | High-speed, heavy roughing | Maximum torque transmission; ≥20,000 RPM |
| Milling Chuck (Power Chuck) | ★★★★☆ | Heavy-duty roughing | High clamping force; good for interrupted cuts |
| Weldon Flat Holder | ★★★☆☆ | Low-speed, high-torque | Requires Weldon flat on shank |
Shank Specification: 1.000" (25.4 mm) cylindrical shank, h6 tolerance. Precision ground to ensure concentric seating in all standard toolholder systems.
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGS37725 |
| Quantity per Package | 1 piece |
| Packaging Type | Protective plastic tube with foam insert |
| Net Weight (per piece) | ~87 g |
| Package Dimensions | 197 × 25 × 25 mm |
| Country of Manufacture | Japan |
| Warranty | Standard manufacturer warranty against defects |
| Minimum Order Quantity | 1 piece |
| Bulk Pricing | Available for quantities ≥10 pieces |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | Kyocera SGS Precision Tools – Solid Carbide Endmills |
| Catalog Page Reference | Section 3.2, Page 137 |
| Product Family | Corner Radius Endmills – 5-Flute Series |
| Tool Category | Solid Carbide Rotary Tool |
| Revision Date | 2026-08-12 |
| Replacement For | Legacy Series 37017 |
| Cross-Reference | Compatible with standard 1.0" endmill toolpaths and holders |
| ECCN Classification | EAR99 |
Note: All specifications are subject to standard manufacturing tolerances. For critical applications, consult Kyocera technical support with your specific machining parameters. Genuine Kyocera tools are manufactured in Japan and backed by comprehensive quality assurance.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
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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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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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