Beyond SCFCL2525M09 Left Hand Indexable Turning Tool Holder 25x25mm Shank
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
⚠️ PRODUCTION NOTICE FOR MACHINISTS: The indexable carbide cutting insert shown mounted in the toolholder pocket is for visual illustration only. All cutting inserts must be purchased separately.
BEYOND SCFCL2525M09 Left-Hand Indexable Turning Tool Holder
Industrial 25x25mm (1" Equivalent) Heavy-Duty Square Shank | 91° Lead Angle for Left-Hand Side Facing & Precision Profiling
1. Product Overview
"Which left-hand 25x25mm indexable turning tool holder provides the best fine-finishing clearance and chipbreaker engagement when using CCMT09T3 inserts on alloy steels?"
The Beyond SCFCL2525M09 is an industrial-grade, left-hand external indexable turning tool holder built for high-accuracy finishing and profiling operations on large-scale CNC lathes. Featuring a highly stable screw-down clamping system, it keeps the top face of the holder entirely flush, allowing uninhibited escape for hot chip streams under high-velocity cycles. This holder is precision-engineered to hold standard CCMT09T3 / CCGT09T3 (ANSI CCMT 32.5.x) 80° rhombic inserts. By optimizing the matching contact area between the insert pocket seat and the carbide substrate, this tool holder maximizes the functional efficiency of the insert's molded chipbreaker geometries and advanced PVD/CVD wear-resistant coatings. This configuration prevents micro-vibrations, ensures superb surface finishes, and manages high heat during finishing passes on carbon steels, stainless steel forgings, and heat-resistant alloys.
2. Core Performance Advantages
- Heavy-Duty 42CrMo Alloy Steel Construction: Quenched and tempered to HRC 42-45 to provide massive structural rigidity, minimizing chatter even when holding smaller, finer-cutting inserts.
- 91° Side Cutting Edge Approach Angle: Precision engineered for left-hand longitudinal profiling and facing operations up to square 90° shoulders with zero back-edge rubbing.
- High-Precision 09 Pocket Seating Area: Tailored specifically for 9mm insert lengths ($3.97\text{mm}$ structural thickness), ensuring exceptional chip clearance during tight clearance profiling.
- Anti-Galling Deep Black Oxide Layer: Quenched chemical film maximizes surface lubricity to prevent hot chip welding and eliminate premature rust from aggressive chemical water coolants.
ISO Designation & Nomenclature Decoding
S — C — F — C — L — 25 — 25 — M — 09
| S | Clamping Configuration: Top screw-on clamping style ensuring an unobstructed path for rapid chip evacuation. |
| C | Insert Geometry Profile: Rhombic 80° configuration. |
| F | Tool Approach Angle: 91° side cutting edge angle engineered for side-facing and longitudinal profiling. |
| C | Insert Clearance Pitch: 7° normal relief angle behind the main cutting point. |
| L | Cutting Directional Hand: Left-Hand orientation tracking. |
| 25 | Shank Height Dimension: 25mm metric square sizing (1.000" / 1-inch cross-compatible format). |
| 25 | Shank Width Dimension: 25mm metric square sizing (1.000" / 1-inch cross-compatible format). |
| M | Total Holder Length: 150mm Overall Metric Length (OAL) (5.905" layout). |
| 09 | Pocket Sizing: Matches ~9mm insert cutting edge length (CCMT09T3 / CCGT09T3 lines). |
⚙️ Rapid Assembly Procurement Links
3. Technical Specifications & Dimension Maps
Dimensional Metric vs. Imperial Inch Equivalency
| Metric Catalog Code | ANSI Designation Equivalent | Shank Dimensions (H x W) | Overall Tool Length (OAL) | Pocket Insert Standards |
|---|---|---|---|---|
| SCFCL2525M09 | SCFCL 16-3D | 25 x 25 mm (1.000" x 1.000") | 150 mm (5.905") | CCMT 09T3.. / CCGT 09T3.. (ANSI 32.5.x) |
Recommended Machinist Operational Cutting Ranges
| Workpiece Material Envelope | Linear Cutting Velocity ($V_c$) | Feed Rate Parameter ($f$) | Depth of Cut Range ($a_p$) |
|---|---|---|---|
| Mild & Alloy Steels (ISO P) | 160 - 350 m/min (525 - 1148 SFM) | 0.05 - 0.25 mm/rev (0.002" - 0.010" IPR) | 0.20 - 2.0 mm (0.008" - 0.079") |
| Stainless Steel Families (ISO M) | 100 - 200 m/min (328 - 656 SFM) | 0.05 - 0.20 mm/rev (0.002" - 0.008" IPR) | 0.15 - 1.5 mm (0.006" - 0.059") |
| Cast Iron & Nodular (ISO K) | 130 - 270 m/min (426 - 885 SFM) | 0.08 - 0.30 mm/rev (0.003" - 0.012" IPR) | 0.20 - 2.5 mm (0.008" - 0.098") |
4. Industrial Application & Turret Compatibility
The SCFCL2525M09 balances a massive, rigid body with a precise 09-sized cutting zone. This hybrid configuration is ideal for heavy lathe machinery running high-accuracy, tight-tolerance profiling or fine-surface finishing cycles on large diameter workpieces where toolholder deflection cannot be tolerated.
5. Beyond Carbide Grade Selection Matrix
| Beyond Matrix Grade | Coating Formula & Grain Substrate | Primary Application Range | Global Brand Counterparts |
|---|---|---|---|
| BY2015 | Multi-Layer CVD Premium TiN / Thick $Al_2O_3$ / TiCN | ISO P10 - P25 (High-Speed Alloy Steel Turning) | Sandvik GC4315 | Kennametal KCP10B | Walter WPP10S |
| BY5030 | Nano-Structured PVD TiAlN on Cobalt-Rich Carbide | ISO M10 - M30 / ISO S10 - S25 | Sandvik GC1115 | Kennametal KSS20M | Iscar IC807 |
| BY1000 | Uncoated Mirror-Polished Ground Razor Carbide | ISO N05 - N25 (Non-Ferrous Aluminum & Copper) | Sandvik H13A | Korloy H01 | Iscar IC20 |
6. Shop Floor Troubleshooting Matrix
Symptom: Rapid Nose Radius Chipping or Pocket Seat Failure
Root Cause: The depth of cut ($a_p$) or feed rate has exceeded the threshold of the 09-size insert ($3.97\text{mm}$ thickness), overloading the pocket floor despite the heavy 25mm shank.
Action Plan: Reduce the depth of cut below $1.5\text{mm}$ to keep stress within the finishing profile limits, or switch to a roughing toolholder with a size 12 pocket if heavy material removal is required.
Symptom: Poor Surface Finish / Tearing of Metal Skin
Root Cause: Cutting velocity ($V_c$) is too low, causing a Built-Up Edge (BUE) on the smaller, fine-cutting tip.
Action Plan: Increase the spindle RPM or surface meters per minute to transition smoothly into clean, continuous plastic shearing of the workpiece material.
7. Why Choose Beyond Tools?
Beyond specializes in manufacturing premium indexable machine components adhering to strict international standard tolerances. By utilizing direct factory production lines and bypassing high distributor retail networks, we deliver long-lasting, heavy-metal tooling configurations with optimized cost-per-edge returns.
Global CNC Machinist Feedback
"Perfect solution for finishing passes on our Haas ST-30 turret. The 1-inch equivalent 25mm shank provides zero deflection, which lets us get immaculate finishes with CCMT 32.51 inserts."
"Sehr stabil. Es ist selten, einen so robusten 25mm Schaft kombiniert mit dem präzisen 09er Plattensitz zu finden. Hervorragend geeignet für feine Schlichtgänge."
"Left hand format performs beautifully for back-facing shoulders. The pocket tolerance is machined incredibly tight. Excellent product value."
"Corpo utensile robusto da 25mm. Great balance between a thick shank and a delicate finishing insert pocket. Finish oxide holds up well against coolants."
8. Frequently Asked Questions
Q: Why choose a toolholder with a large 25x25mm shank combined with a small 09-size pocket?
A: This is a specialized finishing configuration. The massive 25mm shank body completely absorbs vibration frequencies from high spindle speeds, ensuring that the finer, sharper 09-sized insert ($3.97\text{mm}$ thick) can achieve precise optical finishes without micrometer variations.
Q: Are ANSI-coded inserts compatible with this metric holder?
A: Yes. The standard ISO metric designation **CCMT09T3..** utilizes exactly the same dimensions, relief metrics, and screw tap angles as the North American ANSI-coded **CCMT 32.5.x** series, making them fully interchangeable.
Need Help With BEYOND Inserts?
Looking for a BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.