Kyocera SGM09530 0.078 Ball Nose End Mill - Detail Work | Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM09530
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Product Overview
The Kyocera SGM09530 solid carbide end mill pairs a 0.078" (1.981 mm) ball nose profile with a rigid 1/8" shank for high-speed finishing. Its sub-micron carbide grade resists edge wear and chipping, producing mirror finishes on 3D surfaces while maintaining tight tolerances across long production runs.
Typical uses include fine detail milling, graphite electrode work and precision engraving. The 3-flute ball nose geometry excels at finishing and semi-finishing where surface quality and dimensional accuracy are critical.
ISO Designation Breakdown
| Designation Element | Value | Meaning |
|---|---|---|
| Brand | Kyocera | Original equipment manufacturer, Japan |
| Model / Size Code | 0.078" | Cutting diameter in inches (1.981 mm) |
| Flute Configuration | 3FL | Three-flute design for balanced chip evacuation and finish |
| End Geometry Code | BN | Ball nose — full radius end for 3D contouring |
| Manufacturer Part Number | SGM09530 | Kyocera factory catalog / ordering code |
| Tool Class | Solid Carbide End Mill | Single-piece micro-grain carbide construction |
Engineering Dimensions & Geometry
| Dimension / Geometric Parameter | Value (Imperial) | Value (Metric) |
|---|---|---|
| Cutting Diameter (D) | 0.078" | 1.981 mm |
| Ball Nose Radius (R) | 0.0390" | 0.991 mm |
| Flute / Cutting Length (LOC) | 0.234" | 5.94 mm |
| Shank Diameter (d) | 0.1250" | 3.175 mm |
| Overall Length (OAL) | 1.500" | 38.1 mm |
| Number of Flutes (Z) | 3 | — |
| Helix Angle | 30° | — |
| End Style | Ball Nose (BN), center-cutting | — |
| Shank Tolerance | h6 precision ground | — |
Grade Details - Key Grade Characteristics
| Grade Characteristic | Specification |
|---|---|
| Substrate | Micro-grain (sub-micron) solid tungsten carbide |
| Cobalt Binder Content | ≈ 10 % Co for an optimum hardness–toughness balance |
| Hardness | ≈ 91.5 HRA (≈ 68–70 HRC equivalent) |
| Transverse Rupture Strength | ≈ 4,000 MPa |
| Surface Treatment | Bright uncoated finish — ultra-sharp, low-friction cutting edge |
| Edge Preparation | Precision-honed micro edge for stable, chatter-free cutting |
Grade Comparison Matrix
| Attribute | Micro-Grain Carbide (This Tool) | TiAlN-Coated Carbide | DLC-Coated Carbide |
|---|---|---|---|
| Cutting Edge Sharpness | ★★★ Excellent | ★★ Good | ★★★ Excellent |
| Heat Resistance | ★★ Good | ★★★ Excellent | ★★ Good |
| Aluminum / Non-Ferrous | ★★★ Best choice | ★★ Fair | ★★★ Excellent |
| Steels ≤ 45 HRC | ★★★ Excellent | ★★★ Excellent | ★★ Good |
| Graphite / Abrasives | ★★ Good | ★★ Fair | ★★★ Excellent |
| Relative Tool Life (micro finishing) | High | Very high | Very high |
Chipbreaker Profile
The 3-flute open gullet design of the SGM09530 provides generous chip space for its size class. A 30° helix lifts chips smoothly out of the cut while keeping cutting forces low, and the polished uncoated flute surface prevents built-up edge — critical for mirror finishes in aluminum and for avoiding chip re-cutting in micro cavities.
Recommended Applications & Workpiece Materials
| Workpiece Material Group | ISO | Suitability | Typical Components |
|---|---|---|---|
| Aluminum & non-ferrous alloys | N | ★★★ Excellent | Housings, electrodes, heat sinks, prototypes |
| Copper, brass & bronze | N | ★★★ Excellent | EDM electrodes, connectors, fittings |
| Carbon & alloy steels ≤ 35 HRC | P | ★★★ Excellent | Mold cores, jigs, small machine parts |
| Pre-hardened steels 35–45 HRC | P/H | ★★ Good | Die cavities, precision tooling |
| Stainless steels | M | ★★ Good | Medical & food-industry micro parts |
| Titanium & heat-resistant alloys | S | ★★ Good (rigid setup, reduced parameters) | Aerospace micro components |
| Plastics, graphite & composites | — | ★★★ Excellent | Graphite electrodes, enclosures |
Application Map by Operation
| Milling Operation | Suitability | Notes |
|---|---|---|
| 3D contouring / surface finishing | ★★★ Excellent | Ball nose produces cusp-free sculptured surfaces |
| Profiling & peripheral finishing | ★★★ Excellent | Low radial forces, minimal deflection |
| Micro slotting | ★★ Good | Use reduced feed and peck-style engagement |
| Ramping & helical interpolation | ★★ Good | Center-cutting ball end permits ramp entry |
| Rest machining of corners | ★★★ Excellent | Ideal for detail cleanup after larger tools |
| Heavy roughing | ✕ Not recommended | Finishing-class micro tool — remove stock with larger cutter first |
Recommended Cutting Conditions
Values are starting recommendations for finishing with the 0.078" diameter tool; adjust to machine rigidity and setup.
| Workpiece Material | ISO | Cutting Speed (Vc) | Spindle Speed (n) | Feed per Tooth (fz) | Axial DOC (ap) |
|---|---|---|---|---|---|
| Aluminum & Non-Ferrous Alloys | N | 500 SFM | 24,500 RPM | 0.0005–0.0010 | 0.008–0.015" |
| Copper, Brass & Bronze | N | 400 SFM | 19,600 RPM | 0.0004–0.0009 | 0.006–0.012" |
| Carbon & Alloy Steels (≤35 HRC) | P | 250 SFM | 12,200 RPM | 0.0003–0.0007 | 0.004–0.010" |
| Pre-Hardened Steels (35–45 HRC) | P/H | 150 SFM | 7,300 RPM | 0.0002–0.0005 | 0.002–0.006" |
| Stainless Steels (300 Series) | M | 200 SFM | 9,800 RPM | 0.0003–0.0006 | 0.003–0.008" |
| Titanium Alloys | S | 150 SFM | 7,300 RPM | 0.0002–0.0005 | 0.002–0.006" |
| Graphite & Composites | N | 450 SFM | 22,000 RPM | 0.0004–0.0008 | 0.005–0.012" |
Operating Guidelines
- Use a high-speed, low-runout spindle; keep total indicated runout (TIR) below 0.0002" (5 µm) at the tool.
- Start at the lower end of the recommended feed and increase gradually while monitoring surface finish.
- Climb milling is preferred for best surface finish and tool life.
- Use air blast or mist coolant for aluminum and graphite; use flood coolant for steels, stainless and titanium.
- Minimize tool overhang — the 3×D flute length is sized for the intended finishing depth of cut.
- Retract and clear chips frequently in deep micro cavities to prevent chip packing and edge breakage.
Toolholder Compatibility
| Holder System | Compatibility | Recommendation |
|---|---|---|
| ER collet chucks (ER8 / ER11 / ER16) | ★★★ Excellent | Use high-precision collets, runout ≤ 5 µm |
| Shrink-fit holders | ★★★ Excellent | Best runout and balance for high-RPM finishing |
| Hydraulic expansion chucks | ★★★ Excellent | Excellent damping for micro tools |
| Standard set-screw (Weldon) holders | ✕ Not recommended | Runout too high for micro-diameter tools |
Packaging & Ordering Information
| Ordering Attribute | Detail |
|---|---|
| Order Unit | Sold individually (1 piece per factory-sealed protective tube) |
| Minimum Order Quantity | 1 piece — bulk and institutional volumes welcome |
| Part Number | SGM09530 |
| Condition | New, genuine Kyocera OEM product with manufacturer warranty |
| Identification | Part number laser-marked on the shank |
Catalog Meta Data
| Catalog Field | Value |
|---|---|
| Product ID | 20681 |
| Brand / Manufacturer | Kyocera |
| MPN | SGM09530 |
| Model | ENDMILL |
| Tool Family | Solid Carbide Ball Nose End Mill (Micro) |
| Cutting Diameter | 0.078" (1.981 mm) |
| Net Weight | 0.1 kg |
| List Price | $30.3 |
| Availability | Enabled — in stock |
Why Buy from Kyotow.com?
- 100% genuine OEM cutting tools backed by full manufacturer warranty
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- Expert CNC tooling application support and technical assistance
- Bulk and institutional orders welcome
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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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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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