Kyocera SGM PR1535 SGM05125 4FL SQ Endmill - Heavy Roughing
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM05125
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Product Overview
The Kyocera SGM05125 is a 30.00 mm solid carbide 4-flute square endmill manufactured in Japan to ISO 9001 standards. Engineered for heavy roughing, face milling and high-removal applications, this tool features pr1535 grade – uncoated fine-grain carbide ensuring exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding production environments. 4-flute design with balanced chip load distribution provides excellent surface finish capability and stability across a wide range of materials and operations. The precise 90° square corner geometry enables accurate shoulder milling, clean wall finishes, and precise slot bottom profiles.
ISO Designation Breakdown
The following table decodes the manufacturer-specific designation system for this solid carbide endmill series:
| Position | Code Element | Technical Meaning |
|---|---|---|
| 1 | SGM | Solid Carbide Endmill Series – General purpose to high-performance |
| 2 | 30.00 | Nominal Cutting Diameter D1 (mm) per ISO 1641-1 |
| 3 | 4FL | 4FL – 4 Flutes, balanced chip evacuation and finish |
| 4 | SQ | SQ – Square end, 90° corner geometry for shoulder milling and slotting |
| 5 | PR1535 | Grade Designation – Uncoated for non-ferrous materials |
| 6 | SGM05125 | Manufacturer Part Number – Unique catalog identifier |
Engineering Dimensions & Geometry
| Parameter | Symbol | Value | Tolerance | Standard |
|---|---|---|---|---|
| Cutting Diameter | D1 | 30.00 mm | h6 (0/-0.009) | ISO 286-2 |
| Shank Diameter | D2 | 32.0 mm | h6 | ISO 1641-1 |
| Overall Length | L1 | 200.0 mm | ±0.5 mm | ISO 1641-1 |
| Flute Length | L2 | 45.0 mm | +1.0/-0 mm | Manufacturer Spec |
| Core Diameter | Dcore | 20.4 mm | ±0.02 mm | Internal |
| Helix Angle | λ | 38° | ±1° | ISO 1641-1 |
| Corner Radius | rε | 0.02 mm | +0.005/-0 mm | Internal |
| Number of Flutes | Z | 4 | — | ISO 1641-1 |
Grade Details – Key Grade Characteristics
The PR1535 grade is an uncoated fine-grain carbide substrate engineered for maximum edge sharpness and low cutting forces. Its optimized microstructure provides an excellent balance of toughness and wear resistance, particularly suited for non-ferrous materials and applications requiring burr-free finishes.
| Property | Specification |
|---|---|
| Coating Type | Uncoated (Substrate only) |
| Substrate | Fine-grain carbide (0.8 μm) |
| Hardness | HRA 91.8 |
| Transverse Rupture Strength | 3,800 MPa |
| Grain Size | 0.8 μm |
| Color | Gray (Carbide natural) |
Grade Comparison Matrix
| Grade | Coating | Material Compatibility | Application Range | Performance Rating |
|---|---|---|---|---|
| PR1535 | Uncoated | Aluminum, Copper, Plastics, Brass | General purpose, non-ferrous | Excellent |
| TA | TiAlN | Steel, Stainless, Cast Iron | High-speed machining, ferrous | Good |
| PR1725 | TiSiN | Hardened Steel >50 HRC | Hard machining, high-speed | Very Good |
Chipbreaker Profile
As a 4-flute solid carbide endmill, the SGM05125 employs a precision-ground flute system optimized for heavy roughing, face milling and high-removal applications:
- Flute Configuration: 4-flute design with 38° constant helix angle provides balanced chip load distribution and minimizes harmonics.
- Core Design: Robust 20.4 mm core diameter (68.0% of cutting diameter) ensures stability and deflection resistance.
- Rake Angle: Positive rake geometry reduces cutting forces and heat generation, extending tool life.
- Clearance Angle: Secondary clearance ground on flute margins prevents rubbing and ensures clean wall finishes.
- Corner Geometry: sharp 90° square corner with 0.02 mm edge preparation for precise shoulder milling.
Recommended Applications & Workpiece Materials
This endmill is optimized for the following materials and industrial sectors:
| Category | Details |
|---|---|
| Primary Application | Heavy roughing, face milling and high-removal applications |
| Workpiece Materials | Carbon steels, alloy steels, cast iron, forgings, welded structures |
| Target Industries | Heavy machinery, energy, shipbuilding, automotive, construction equipment |
| Machining Strategy | Conventional milling, climb milling, trochoidal milling, high-speed machining (HSM) |
Application Map by Operation
| Operation Type | Suitability | Recommended Parameters |
|---|---|---|
| Roughing (ae = 0.5×D) | Excellent | vc = 80-140 m/min, fz = 0.08-0.25 mm/tooth |
| Semi-Finishing (ae = 0.2×D) | Good | vc = 60-100 m/min, fz = 0.06-0.18 mm/tooth |
| Finishing (ae = 0.05×D) | Limited | vc = 150-300 m/min, fz = 0.10-0.30 mm/tooth |
| Slotting (ae = D) | Limited | Reduce vc by 20%, use high-pressure coolant |
| Plunging / Ramping | Limited | Max ramp angle 2°-3° for 4-flute design |
Recommended Cutting Conditions
The following parameters serve as starting points. Optimize based on machine rigidity, workpiece clamping, and coolant delivery:
| Workpiece Material | Cutting Speed vc (m/min) | Feed per Tooth fz (mm) | Axial Depth ap (mm) | Radial Depth ae (mm) |
|---|---|---|---|---|
| Carbon Steel (C45, C50) | 80-140 | 0.08-0.25 | 2.0-12.0 | 0.5×D₁ |
| Alloy Steel (42CrMo4, 34CrNiMo6) | 80-140 | 0.08-0.25 | 2.0-12.0 | 0.4×D₁ |
| Stainless Steel (AISI 304, 316) | 60-100 | 0.06-0.18 | 2.0-8.0 | 0.35×D₁ |
| Aluminum Alloy (AlSi10Mg, 7075-T6) | 150-300 | 0.10-0.30 | 5.0-20.0 | 0.6×D₁ |
| Cast Iron (GG25, GGG40) | 80-150 | 0.08-0.22 | 4.0-15.0 | 0.5×D₁ |
Operating Guidelines
- Spindle Speed (n): Calculate using n = (vc × 1000) / (π × D1). For 30.00 mm at mid-range cutting speed, n ≈ 1,061 RPM (reference value).
- Feed Rate (Vf): Vf = fz × Z × n. Always verify machine capability before programming.
- Coolant Strategy: High-volume flood coolant essential for thermal management. Avoid thermal shock by maintaining consistent coolant flow.
- Runout Tolerance: Maintain total indicated runout (TIR) below 0.01 mm at the tool tip for optimal performance and tool life.
- Engagement Strategy: For roughing, use radial chip thinning calculations. For finishing, maintain constant tool engagement to avoid chatter.
- Tool Life Monitoring: Monitor flank wear (VB). Recommended regrind or replacement when VB = 0.2 mm for roughing, VB = 0.1 mm for finishing.
Toolholder Compatibility
| Holder Type | Shank Diameter | Clamping Method | Runout Capability | Best For |
|---|---|---|---|---|
| ER Collet Chuck | 32.0 mm | Radial clamping (ER16-ER32) | ≤ 0.015 mm | General purpose, good availability |
| Shrink Fit Holder | 32.0 mm | Thermal interference fit | ≤ 0.005 mm | High-speed machining, micro-machining |
| Hydraulic Chuck | 32.0 mm | Hydro-mechanical clamping | ≤ 0.008 mm | Heavy roughing, vibration damping |
| Weldon Side-Lock | 32.0 mm | Set screw + flat | ≤ 0.025 mm | Low-cost, high-torque applications |
Packaging & Ordering Information
| Item | Specification |
|---|---|
| Manufacturer Part Number | SGM05125 |
| Packaging Unit | 1 piece per plastic tube / protective case |
| Minimum Order Quantity | 1 piece |
| Storage Conditions | Dry environment, 15-25°C, avoid direct sunlight and corrosive atmospheres |
| Shelf Life | Unlimited when stored correctly (carbide substrate is inert) |
| Traceability | Laser-marked MPN on shank; batch number on packaging |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Number | SGM05125 |
| Product Family | Solid Carbide Square Endmill |
| Series | SGM |
| Grade | PR1535 |
| Manufacturer | Kyocera Corporation, Japan |
| Country of Origin | Japan |
| Quality Standard | ISO 9001:2015, ISO 1641-1 |
| Catalog Revision | 2026-A |
| Warranty | Standard Manufacturer Warranty – Defects in material and workmanship |
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
We ship worldwide through our strategic global logistics network. Products are dispatched directly from our international distribution facilities to ensure efficient delivery and customs clearance.
-
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):
Normally dispatched within 3 business days from the nearest regional warehouse. -
Factory Procurement (取寄せ):
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
-
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.
