Kyocera SGM09616 0.025 Square End Mill - Detail Milling | Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM09616
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Product Overview
Engineered for demanding micro-milling work, the Kyocera SGM09616 combines a 0.025" (0.635 mm) cutting diameter with a true square-end geometry and 3 efficient flutes. The micro-grain carbide construction keeps the cutting edge sharp and stable, giving crisp 90-degree corners, consistent dimensional accuracy and long, predictable tool life.
Typical uses include detail milling, micro slotting, small-pocket finishing and precision profiling. The 3-flute square-end geometry excels at slotting, pocketing and profiling where sharp corners and dimensional accuracy are critical.
ISO Designation Breakdown
| Designation Element | Value | Meaning |
|---|---|---|
| Brand | Kyocera | Original equipment manufacturer, Japan |
| Model / Size Code | 0.025" | Cutting diameter in inches (0.635 mm) |
| Flute Configuration | 3FL | Three-flute design for balanced chip evacuation and finish |
| End Geometry Code | SQ | Square end — flat bottom for slots, pockets and 90-degree shoulders |
| Manufacturer Part Number | SGM09616 | 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) | 0.025" | 0.635 mm |
| Corner Style | Square (sharp corner, center-cutting) | — |
| Flute / Cutting Length (LOC) | 0.075" | 1.91 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 | Square End (SQ), 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 milling) | High | Very high | Very high |
Chipbreaker Profile
The 3-flute open gullet design of the SGM09616 provides generous chip space for its size class. A 30° helix lifts chips smoothly out of slots and pockets while keeping cutting forces low, and the polished uncoated flute surface prevents built-up edge — critical for clean finishes in aluminum and for avoiding chip packing in narrow micro slots.
Recommended Applications & Workpiece Materials
| Workpiece Material Group | ISO | Suitability | Typical Components |
|---|---|---|---|
| Aluminum & non-ferrous alloys | N | ★★★ Excellent | Housings, heat sinks, micro channels, 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 |
|---|---|---|
| Micro slotting | ★★★ Excellent | Square end produces flat-bottom slots and keyways |
| Pocketing | ★★★ Excellent | Center-cutting design permits direct plunge entry |
| Profiling & peripheral milling | ★★★ Excellent | Sharp corners give true 90-degree shoulders |
| Face milling small features | ★★ Good | Use light radial engagement at high RPM |
| Ramping & helical interpolation | ★★ Good | Center-cutting end permits ramp entry |
| 3D contour finishing | ✕ Not recommended | Use a ball nose tool for sculptured surfaces |
Recommended Cutting Conditions
Values are starting recommendations for milling with the 0.025" 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 | 76,400 RPM | 0.0005–0.0010 | 0.008–0.015" |
| Copper, Brass & Bronze | N | 400 SFM | 61,100 RPM | 0.0004–0.0009 | 0.006–0.012" |
| Carbon & Alloy Steels (≤35 HRC) | P | 250 SFM | 38,200 RPM | 0.0003–0.0007 | 0.004–0.010" |
| Pre-Hardened Steels (35–45 HRC) | P/H | 150 SFM | 22,900 RPM | 0.0002–0.0005 | 0.002–0.006" |
| Stainless Steels (300 Series) | M | 200 SFM | 30,600 RPM | 0.0003–0.0006 | 0.003–0.008" |
| Titanium Alloys | S | 150 SFM | 22,900 RPM | 0.0002–0.0005 | 0.002–0.006" |
| Graphite & Composites | N | 450 SFM | 68,800 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 edge condition.
- 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 depth of cut.
- Clear chips frequently in deep slots and pockets 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 milling |
| 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 | SGM09616 |
| 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 | 20767 |
| Brand / Manufacturer | Kyocera |
| MPN | SGM09616 |
| Model | ENDMILL |
| Tool Family | Solid Carbide Square End Mill (Micro) |
| Cutting Diameter | 0.025" (0.635 mm) |
| Net Weight | 0.1 kg |
| List Price | $32.0 |
| Availability | Enabled — in stock |
Why Buy from Kyotow.com?
- 100% genuine OEM cutting tools backed by full manufacturer warranty
- Fast worldwide shipping with tracked delivery
- 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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Stock Enquiries (在庫確認):
Contact our logistics team at sales.kyotow@gmail.com for real-time inventory status and dispatch location information. -
In-Stock Items (在庫あり):
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Factory Procurement (取寄せ):
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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