Beyond SCGCL2525M09 Left Hand Indexable Turning Tool Holder 25x25mm
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⚠️ IMPORTANT APPLICATION NOTICE: The indexable carbide insert shown installed on this tool holder is for structural visualization only. All cutting inserts are sold separately.
BEYOND SCGCL2525M09 Left-Hand Indexable Turning Tool Holder
Industrial 25x25mm Square Shank | 91° Lead Angle for Precision CNC Left-Hand Facing & Contour Turning
1. Product Overview
"Which left-hand tool holder ensures the best clearance and reduced cutting forces during precision external profiling and shoulder facing using 9mm rhombic inserts?"
The Beyond SCGCL2525M09 is an industrial-grade indexable external turning tool holder engineered for high-accuracy metal cutting. Operating via a low-profile screw-on clamping system, it offers an unobstructed path for chip evacuation. This holder is custom-machined to accommodate CCMT09T3 / CCGT09T3 (ANSI CCMT 32.5.x) rhombic 80° inserts. By pairing this rigid shank with ground finishing or medium-roughing geometries, the tool holder allows the insert’s molded chipbreaker and specialized PVD/CVD coatings to work seamlessly. This minimizes thermal expansion, prevents built-up edge (BUE), and provides an exceptional surface finish on alloy steels, stainless steel, and high-temperature alloys.
2. Core Performance Advantages
- Premium High-Tensile Steel: Forged from high-grade 42CrMo steel alloy, quenched to HRC 42-45 to provide superior dampening against chatter and high elastic deformation resistance.
- 91° Lead Angle Clearance: Tailored specifically for left-hand side-turning and profiling close to 90-degree square shoulders, reducing radial cutting pressure.
- Optimized for 09-Size Inserts: Smaller pocket profile allows maximum chip workspace and enhanced tool clearance during intricate facing pathways.
- Heavy-Duty Black Oxide Layer: Coated via a chemical thermal process to guard against abrasive wear from continuous chip washing and corrosive synthetic cooling fluids.
ISO Designation & Nomenclature Decoding
S — C — G — C — L — 25 — 25 — M — 09
| S | Clamping Mechanism: Screw-on type for unobstructed chip flows and low clearance restrictions. |
| C | Insert Shape: Rhombic 80° Profile Design. |
| G | Approach Angle: 91° Lead Angle optimized for longitudinal and perpendicular facing. |
| C | Insert Relief Angle: 7° Normal Clearance Angle. |
| L | Tool Orientation: Left-Hand Direction Cutting Path. |
| 25 | Shank Height: 25 mm Metric (0.984" / Approx. 1" Equivalent Square Shank). |
| 25 | Shank Width: 25 mm Metric (0.984" / Approx. 1" Equivalent Square Shank). |
| M | Total Length: 150 mm Metric Overall Length (OAL) (5.905" Equivalent). |
| 09 | Cutting Edge Length: Accommodates approx. 9mm insert length (CCMT09T3 / CCGT09T3 series). |
🛒 Complete Your Assembly Configuration
3. Technical Specifications & Metric/Imperial Cross-Reference
Dimension Cross-Reference Table
| Metric Model Code | ANSI/Imperial Designation | Shank Dimension (H x W) | Overall Length (OAL) | Standard Insert Compatibility |
|---|---|---|---|---|
| SCGCL2525M09 | SCGCL 16-3C | 25 x 25 mm (0.984" x 0.984") | 150 mm (5.905") | CCMT 09T3.. / CCGT 09T3.. (ANSI 32.5.x) |
Recommended Speeds & Feed Rates
| Workpiece Material Type | Cutting Speed (Vc) | Feed Rate (f) | Recommended Depth of Cut (ap) |
|---|---|---|---|
| Alloy & Carbon Steels (ISO P) | 180 - 350 m/min (590 - 1148 SFM) | 0.08 - 0.25 mm/rev (0.003" - 0.010" IPR) | 0.20 - 2.5 mm (0.008" - 0.098") |
| Stainless Steels (ISO M) | 100 - 200 m/min (328 - 656 SFM) | 0.06 - 0.20 mm/rev (0.002" - 0.008" IPR) | 0.15 - 2.0 mm (0.006" - 0.078") |
| Non-Ferrous & Alum (ISO N) | 300 - 800 m/min (984 - 2624 SFM) | 0.05 - 0.30 mm/rev (0.002" - 0.012" IPR) | 0.10 - 3.0 mm (0.004" - 0.118") |
4. Applications & Equipment Compatibility
The SCGCL2525M09 toolholder excels in semi-finishing to high-precision finishing setups. Its left-hand profile layout is ideal for back-turning programs or profiling configurations toward the lathe chuck. By pairing a robust 25mm shank with smaller 09-size indexable inserts, it balances excellent stability with tight spatial agility.
5. Beyond Carbide Grade Selection Matrix
| Beyond Grade Designation | Coating & Substrate Structure | Primary ISO Application Range | Industry Equivalent Benchmarks |
|---|---|---|---|
| BY2015 | Multi-Layer CVD TiN / thick Al2O3 / TiCN | ISO P10 - P25 (Precision Steel Finishing) | Sandvik GC4315 | Kennametal KCP10B | Walter WPP10S |
| BY5030 | Nano-Structured PVD TiAlN Coated Micro-Grain | ISO M10 - M30 / ISO S10 - S25 | Sandvik GC1115 | Kennametal KSS20M | Iscar IC807 |
| BY1000 | Uncoated Mirror-Polished Ground Carbide | ISO N05 - N25 (Aluminum & Copper Alloys) | Sandvik H13A | Korloy H01 | Iscar IC20 |
6. Machinist Troubleshooting Guide
Symptom: Micro-Vibrations or High-Pitch Chatter Marks
Root Cause: Operating at a feed rate or depth of cut that drops below the minimum limit of the insert's nose radius ($0.2\text{mm}$ or $0.4\text{mm}$).
Action Plan: Increase the feed rate slightly ($0.03 - 0.06 \text{ mm/rev}$) or optimize your programmed depth of cut ($ap$) to ensure the chipbreaker wall is fully engaged.
Symptom: Screw Thread Seizure or Pocket Fatigue
Root Cause: Small M2.5 locking screws over-torqued past $0.9\text{ Nm}$ without a calibrated driver flag.
Action Plan: Always clear out microscopic scale from the seat using a blast of air before indexing. Replace retention screws every 20-30 insert indexing cycles to maintain smooth seating.
7. Why Choose Beyond Tools?
Beyond manufactures ISO-compliant, premium indexable turning tool systems. By optimizing our direct-to-factory distribution networks, we bypass intermediate distributor markup tiers—delivering high accuracy and industrial reliability straight to your machine shop floors.
Verified Global Client Experiences
"Perfect holder for tight finishing paths. We run this on our Okuma with CCGT polished inserts for aluminum parts. Combining a beefy 25mm shank with the smaller 09 insert pocket completely eliminates chatter."
"Sehr präzise. The pocket dimensions match our premium global inserts flawlessly. Center height accuracy is dead-on after multiple tool indexing runs."
"Ottimo stelo da 25mm. The black oxide coating layer stands up remarkably well against aggressive synthetic emulsion wear."
"The M2.5 screw seat geometry matches standard CCMT 32.51 shapes precisely. Absolute value for high-precision finishing operations."
8. Frequently Asked Questions
Q: What is the main operational difference between a 09-pocket and a 12-pocket tool holder?
A: The pocket suffix defines the size of the cutting insert. The 09 pocket fits smaller CCMT09T3.. (CCMT 32.5.x) inserts, which use a thinner body and smaller nose radii. This allows for lower cutting forces and better clearance during fine profiling than 12-sized inserts.
Q: Can I use standard ANSI-inch labeled inserts with this metric body?
A: Yes. ISO standard CCMT09T3.. scaling shares identical dimensional thickness ($3.97\text{mm}$), pocket width, and relief angles with ANSI-coded CCMT 32.5.x models, seating perfectly with zero mechanical play.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.