BEYOND SRGCL2525M16 CNC External Turning Tool Holder - 25x25mm
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SRGCL2525M16 External Turning Toolholder
Professional 25x25mm Square Shank for RCMT1606 Round Inserts
Product Overview
"Which toolholder is most efficient for profiling and heavy-duty round-insert turning?"
The Beyond SRGCL2525M16 is the industry standard for high-performance profiling. Designed specifically for RCMT1606 round inserts, this 25mm square shank holder offers unparalleled edge strength. The round insert geometry allows for multi-directional cutting and excellent heat dissipation, making the SRGCL2525M16 ideal for roughing applications in tough materials where linear inserts might fail.
Key Features
- ✔ Screw-Down Clamping: Optimized for the RCMT round geometry to ensure zero insert movement under high radial forces.
- ✔ Premium Alloy Construction: High-tensile steel body treated for anti-corrosion and wear resistance.
- ✔ Profiling Excellence: Perfect for creating radii and complex contours that require high surface integrity.
Technical Specifications
Screw Clamp
Round Shape
90° Approach
7° Relief
Left Hand
25x25mm
150mm Len
RCMT16
| Parameter | Metric (mm) | Imperial (inch) |
|---|---|---|
| Shank Size | 25 x 25 mm | 0.984" x 0.984" |
| Overall Length | 150 mm | 5.905" |
Recommended Cutting Parameters
| Material | Vc (m/min) | Feed (mm/rev) |
|---|---|---|
| Alloy Steel | 140 - 220 | 0.20 - 0.50 |
| Stainless Steel | 100 - 160 | 0.15 - 0.40 |
Applications
- Heavy Roughing of Forgings
- Complex Profiling & Radius Turning
- Turbine Blade Machining
- High-temp Alloy Processing
Compatibility
Fits all standard CNC Lathe Turrets with 25mm tool slots. Fully compatible with ISO standard RCMT/RCGT 16mm round inserts from brands like Sandvik, Kennametal, and Beyond.
Why Choose Beyond Cutting Tools?
"Superior profiling capability. The round insert setup on the SRGCL is a game changer for our custom shaft work."
— Mike D., USA"The finish is surprisingly smooth for a roughing tool. Beyond always delivers on quality."
— Hans G., Germany"Fast shipping to Italy. Holder is very rigid even during interrupted cuts."
— Giovanni F., Italy"Great value. Switched from high-priced brands and saved 40% with zero loss in performance."
— Sato H., JapanFrequently Asked Questions
A: Yes, the SRGCL2525M16 is compatible with both RCMT (Steel/Cast Iron) and RCGT (Aluminum) inserts of the 16mm size.
A: Round inserts provide the strongest cutting edge. They allow you to vary the lead angle and are much more resistant to thermal cracking and chipping.
Material Pro Tip: Round vs. Diamond
While diamond inserts (CNMG/DNMG) are great for general turning, round inserts on an SRGCL holder are superior for materials with hard skins or scales. By distributing the cutting force over a larger radius, you significantly increase tool life and process stability.
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.