Kyocera M3C AlTiN SGM08951 End Mill | Micro EM - Long Reach Kyotow
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08951
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Product Overview
The Kyocera SGM08951 (KSPT EDP 08951) is a Series M3C micro end mill from KYOCERA SGS Precision Tools — a solid, sub-micron grain carbide, 3-flute, 30° helix, corner-radius cutter with a 0.090" cutting diameter, 0.005" corner radius and long reach (8xD). Finished with KSPT's proprietary Ti-Namite-A (AlTiN) PVD coating for superior chip flow and wear resistance, it is purpose-built for high-precision micro milling on CNC machining centers and high-speed spindles.
The 8xD reach adds clearance for moderately deep cavities, ribs and sidewalls while retaining strong rigidity for productive slotting and profiling. With a near-sharp 0.005" corner for maximum detail resolution while still protecting the edge from micro-chipping, the SGM08951 produces crisp detail, low burr formation and mirror-quality finishes in tool steels, stainless steels, cast iron, aluminum and copper alloys, titanium and high-temperature alloys — a proven choice for micro molds, medical components, electronics housings, aerospace details and precision fixtures.
ISO Designation Breakdown
As a fractional-inch solid carbide round tool, this product is designated by its KSPT catalog (EDP) code rather than an ISO 1832 insert code. The table below decodes every element of the full product designation.
| Code Element | Value | Meaning |
|---|---|---|
| Brand / Program | Kyocera — KSPT | KYOCERA SGS Precision Tools micro round-tool program |
| Store MPN | SGM08951 | Store catalog number: SGM (SGS Micro) prefix + manufacturer EDP |
| Manufacturer EDP | 08951 | KSPT engineering part number for this exact geometry and coating |
| Series | M3C / M3CR | M = Micro end mill family · 3 = three flutes · CR = corner-radius end configuration |
| Geometry class | 1.5xD LOC / 8xD reach | Length of cut = 1.5 × DC (0.135"); overall reach = 8 × DC (0.720") |
| Cutting diameter class | 0.090" fractional | Inch-series diameter, tolerance +0.000 / –0.001" |
| End configuration | Corner radius 0.005" | Radius tolerance +0.0000 / –0.0005" |
| Coating variant | Ti-Namite-A (AlTiN) PVD | Uncoated variant available as EDP 08849 |
Engineering Dimensions & Geometry
| Parameter | Symbol | Inch | Metric | Tolerance / Note |
|---|---|---|---|---|
| Cutting diameter | DC | 0.090" | 2.286 mm | +0.000 / –0.001" |
| Length of cut (flute) | APMX | 0.135" | 3.429 mm | 1.5 × DC |
| Overall reach (neck length) | LU | 0.720" | 18.288 mm | 8 × DC |
| Neck diameter | DN | 0.084" | 2.134 mm | Relieved below cutting diameter |
| Shank diameter | DCON | 1/8" (0.125") | 3.175 mm | h6 |
| Overall length | LF | 2-1/2" (2.500") | 63.5 mm | — |
| Corner radius | RE | 0.005" | 0.127 mm | +0.0000 / –0.0005" |
| Number of flutes | Z | 3 | 3 | Unequal-free indexing, positive rake |
| Helix angle | — | 30° | 30° | Right-hand helix, right-hand cut |
| End teeth | — | Center-cutting | Center-cutting | Permits slotting & ramp entry |
Grade Details - Key Grade Characteristics
This tool pairs KSPT's application-specific sub-micron grain carbide substrate with the proprietary Ti-Namite-A (AlTiN) PVD coating — the wear-resistant option in the M3CR family. Key grade characteristics:
| Characteristic | Engineering Benefit |
|---|---|
| Ti-Namite-A (AlTiN) coating | Aluminum-titanium-nitride PVD layer engineered for abrasive wear resistance in steels, cast irons and super alloys |
| Superior chip flow | KSPT's proprietary coating promotes smooth chip evacuation, driving productivity even at low spindle speeds |
| Thermal barrier | AlTiN forms a protective aluminum-oxide surface in the cut, shielding the edge at elevated temperatures |
| Sub-micron carbide substrate | Ultra-fine grain core resists micro-chipping at micro diameters |
| Extended tool life | Coating + micro-tool substrate significantly outlast uncoated edges in ferrous and high-temp materials |
| ISO 9001:2015 manufacture | Every tool produced under KSPT ISO-certified quality procedures for lot-to-lot consistency |
Grade Comparison Matrix
The M3CR geometry is stocked in two material options. This listing is the Ti-Namite-A (AlTiN) coated version (EDP 08951); the uncoated version is orderable as EDP 08849.
| Parameter | This Tool — Ti-Namite-A, AlTiN (EDP 08951) | Alternate — Uncoated (EDP 08849) |
|---|---|---|
| Coating | Ti-Namite-A aluminum-titanium-nitride PVD | None (bright, polished carbide) |
| Substrate | Sub-micron grain carbide (micro-tool grade) | Sub-micron grain carbide (micro-tool grade) |
| Edge condition | Coating-honed for maximum wear resistance | Sharpest possible edge; finest finishes |
| Heat management | AlTiN thermal barrier for hotter, drier cuts in steels | Relies on coolant / air blast; excels at moderate temperatures |
| First-choice materials | Carbon / alloy / tool steels, cast iron, titanium, high-temp alloys | Aluminum, copper, brass, plastics, fine finishing |
| Chip flow | Superior — proprietary coating drives chip evacuation even at low spindle speeds | Very good on polished flutes |
| Choose this option when | Abrasive wear, heat and tool life in ferrous / high-temp materials are the priority | Ultimate edge sharpness in non-ferrous materials is the priority |
Chipbreaker Profile
Solid carbide end mills do not use a molded chipbreaker; instead, chip control on the SGM08951 is engineered directly into the flute and face geometry:
| Geometry Element | Chip-Control Function |
|---|---|
| 3-flute open gash | Wider chip space than 4-flute micro tools — chips clear freely instead of packing in deep micro slots |
| 30° helical flutes | Shears chips away from the cut and augers them up and out of the pocket, reducing re-cutting |
| Ti-Namite-A coated flutes | Low-friction, wear-resistant surface — chips evacuate smoothly and the coating resists chip abrasion |
| Positive rake face | Produces small, manageable chips at micro feed-per-tooth values and lowers cutting pressure |
| Corner-radius edge prep | Controls chip thickness at the corner, the most highly stressed point of the edge |
Application note: at 8xD reach, evacuate chips with a directed air blast or through-spindle coolant and, in slots deeper than 2 × DC, mill in steps rather than a single full-depth pass. The catalog feed values in this listing already include chip-thinning adjustment where applicable.
Recommended Applications & Workpiece Materials
| ISO Group | Workpiece Materials | Hardness | Suitability |
|---|---|---|---|
| P — Steels | Carbon steels (1018, 1040), alloy steels (4140, 4340), tool & mold steels (P20, H13, D2) | ≤ 40 HRc | ●●● Excellent |
| M — Stainless Steels | 303, 416 free-machining grades; 304, 316L difficult grades | ≤ 28 HRc | ●●● Excellent |
| K — Cast Irons | Gray, malleable and ductile irons | ≤ 220 Bhn | ●●● Excellent |
| N — Non-Ferrous | Aluminum alloys (6061, 7075), copper, brass, bronze, engineering plastics | ≤ 150 Bhn | ●●● First choice |
| S — Super Alloys & Titanium | Ti6Al4V, Inconel 625/718, Incoloy, Monel, Waspaloy | ≤ 43 HRc | ●●○ Good — use reduced parameters |
Typical components: micro mold cavities and cores, medical and dental parts, electronics and connector housings, aerospace ribs and details, watchmaking and instrument components, microfluidic channels, engraving and fine-detail finishing.
Application Map by Operation
| Operation | Suitability | Process Guidance |
|---|---|---|
| Full slotting | ●●● Excellent | Ap ≤ 0.17 × DC (0.0153"); use slotting speed & feed row |
| Side milling / profiling | ●●● Excellent | Ae ≤ 0.50 × DC, Ap ≤ 0.30 × DC; climb milling preferred |
| Micro pocketing | ●●● Excellent | Helical ramp entry ≤ 1°, then level passes at profile parameters |
| Contour / 3D finishing | ●●● Excellent | Corner radius 0.005" blends floors and walls in one tool; reduce feed for mirror finishes |
| Deep-cavity milling | ●●● Excellent | 8xD reach; keep Ae light and evacuate chips continuously |
| Helical ramping | ●●○ Limited | ≤ 1° ramp angle at slotting speed & feed |
| Straight plunging | ✕ Not recommended | Use ramp entry or pre-drilled entry instead |
| Engraving / fine detail | ●●● Excellent | Keen micro edge gives crisp features and minimal burr |
Recommended Cutting Conditions
KSPT baseline parameters for the 0.090" diameter at 8xD reach (feeds include the ×0.9 3-flute 8xD reach multiplier). rpm = Vc × 3.82 ÷ DC; ipm = baseline feed × multiplier. Fz shown for the nearest chart reference diameter (0.0938").
Reduce speed and feed for harder materials. If recommended rpm exceeds machine capability, use maximum available rpm and recalculate feed.
| Material Group | Vc Profile (sfm) | Vc Slot (sfm) | RPM Profile | RPM Slot | Fz (in/t) | Feed Profile (ipm) | Feed Slot (ipm) |
|---|---|---|---|---|---|---|---|
| Carbon Steels 1018, 1040, 1080, 12L15 · ≤ 275 Bhn (≤ 28 HRc) | 365 (292–438) | 290 (232–348) | 15,492 | 12,309 | 0.00041 | 10.85 | 8.61 |
| Alloy Steels 4140, 4150, 4320, 8630 · ≤ 375 Bhn (≤ 40 HRc) | 210 (168–252) | 165 (132–198) | 8,913 | 7,003 | 0.00036 | 5.54 | 4.36 |
| Tool Steels A2, D2, H13, P20, S7 · ≤ 375 Bhn (≤ 40 HRc) | 175 (140–210) | 140 (112–168) | 7,428 | 5,942 | 0.0003 | 3.85 | 3.08 |
| Stainless Steels (Free-Machining) 303, 416, 420F, 430F · ≤ 275 Bhn (≤ 28 HRc) | 340 (272–408) | 270 (216–324) | 14,431 | 11,460 | 0.00041 | 10.10 | 8.02 |
| Stainless Steels (Difficult) 304, 304L, 316, 316L · ≤ 275 Bhn (≤ 28 HRc) | 235 (188–282) | 185 (148–222) | 9,974 | 7,852 | 0.00036 | 6.21 | 4.89 |
| Cast Irons Gray, Malleable, Ductile · ≤ 220 Bhn (≤ 19 HRc) | 305 (244–366) | 245 (196–294) | 12,946 | 10,399 | 0.00041 | 9.07 | 7.29 |
| Aluminum Alloys 2017, 2024, 6061, 7075 · ≤ 150 Bhn (≤ 7 HRc) | 1000 (800–1200) | 800 (640–960) | 42,444 | 33,956 | 0.0012 | 87.75 | 70.20 |
| Copper Alloys C110, Alum Bronze, Muntz Brass · ≤ 140 Bhn (≤ 3 HRc) | 515 (412–618) | 410 (328–492) | 21,859 | 17,402 | 0.0009 | 33.91 | 27.00 |
| Titanium Alloys Pure Ti, Ti6Al4V · ≤ 350 Bhn (≤ 38 HRc) | 160 (128–192) | 130 (104–156) | 6,791 | 5,518 | 0.00025 | 2.99 | 2.43 |
| High-Temp Alloys Inconel 601/617/625, Incoloy, Monel 400 · ≤ 300 Bhn (≤ 32 HRc) | 60 (48–72) | 45 (36–54) | 2,547 | 1,910 | 0.00023 | 1.00 | 0.75 |
| High-Temp Alloys (Hard) Inconel 718, X-750, Waspaloy, Rene · ≤ 400 Bhn (≤ 43 HRc) | 45 (36–54) | 35 (28–42) | 1,910 | 1,486 | 0.00015 | 0.50 | 0.39 |
| Engagement Limit | Profile Milling | Slot Milling |
|---|---|---|
| Width of cut (Ae) | ≤ 0.50 × DC = 0.0450" | 1.0 × DC (full width) |
| Depth of cut (Ap) | ≤ 0.30 × DC = 0.0270" | ≤ 0.17 × DC = 0.0153" |
| Finishing allowance | Reduce Ae to ≤ 0.02 × DC = 0.0018" and reduce feed | Reduce feed ~30% for floor finishing |
Operating Guidelines
| Topic | Recommendation |
|---|---|
| Tool runout | Hold total indicated runout (TIR) to ≤ 0.0002" at the tool — runout is the #1 cause of premature micro-tool failure |
| Toolholding | Use precision collet, shrink-fit or hydraulic micro chucks; never side-lock or set-screw holders |
| Gauge length | Clamp maximum shank length; keep stick-out to the minimum that clears the workpiece and fixture |
| Milling strategy | Climb mill whenever possible; program arc-lead entries and avoid sharp direction reversals at full engagement |
| Entry moves | Helical ramp at ≤ 1° using slotting parameters; straight plunging is not recommended with the 0.090" end |
| Coolant / chip clearing | Flood coolant for steels, stainless, titanium and super alloys; directed air blast for aluminum, plastics and deep slots |
| Finishing | Reserve a finishing allowance of ≤ 0.02 × DC (0.0018") radially and reduce feed ~30% for mirror results |
| Deep-reach work | At 8xD reach keep radial engagement light, avoid full-width slotting below 0.180" depth, and clear chips every pass |
| Tool life monitoring | Inspect the edge under ≥ 20× magnification; replace at the first sign of micro-chipping or corner wear |
| Break-in | Run the first 5–10 minutes at ~70% of table feed to condition the edge, then ramp to full parameters |
Toolholder Compatibility
The 1/8" (3.175 mm) h6 cylindrical shank fits all standard micro-tool holding systems:
| Holder Type | Specification | Suitability / Notes |
|---|---|---|
| ER collet chuck | ER11 or ER16 with 1/8" (3.175 mm) precision collet | ●●● Excellent — most common choice; verify TIR after assembly |
| Shrink-fit holder | 3.175 mm micro shrink-fit bore | ●●● Excellent — best runout and balance for high rpm |
| Hydraulic micro chuck | 3.175 mm bore, radial clamping | ●●● Excellent — vibration damping for fine finishes |
| High-speed spindle | 24,000–60,000 rpm recommended | Required to reach catalog Vc in non-ferrous materials; else use max rpm and recalculate feed |
| Milling chuck / side lock | Set-screw type holders | ✕ Not recommended — damages shank and induces runout |
| Balance quality | G2.5 or better at operating rpm | Critical above 20,000 rpm with micro tools |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Unit of sale | 1 piece (each) — individually packaged |
| Protective packaging | Rigid micro-tool tube with cushioned end cap; edge fully protected in transit and storage |
| Label data | EDP, series, cutting diameter, corner radius, reach, coating and lot traceability code |
| Minimum order quantity | 1 piece — no pack multiples required |
| Alternative option | Uncoated version of this tool: order EDP 08849 (store MPN SGM08849) |
| Authenticity | Genuine KYOCERA SGS Precision Tools OEM product, backed by the full manufacturer warranty |
| Support | Application-engineering support available for parameter selection and troubleshooting; bulk and blanket orders welcome |
Catalog Meta Data
| Field | Value | Field | Value |
|---|---|---|---|
| Product ID | 20102 | Store MPN | SGM08951 |
| Manufacturer EDP | 08951 | Brand | Kyocera |
| Division | KYOCERA SGS Precision Tools (KSPT) | Series | M3C / M3CR Micro |
| Tool family | Solid carbide micro end mills — fractional inch | End style | Corner radius, center-cutting |
| Flutes / Helix | 3 / 30° RH | Coating | Ti-Namite-A (AlTiN) |
| Substrate | Sub-micron grain carbide | Shank | 1/8" h6 plain cylindrical |
| Quality standard | KSPT ISO 9001:2015 | HTS classification | 8207.70 — interchangeable milling tools |
| Country of origin | United States | Catalog reference | SGS Micro Tool Catalog — Series M3●M3CR |
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
Authenticity Guarantee (本物保証):
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。
Domestic Sourced
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.
No Regional Markups
We bypass Western corporate sales teams and localized regional overhead costs entirely.
