Beyond SRAPR2525M10 CNC Turning Tool Holder (25x25mm Right-Hand Shank)
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Beyond SRAPR2525M10 Right-Hand Heavy-Duty CNC Turning Tool Holder
⚠️ PRODUCTION NOTICE: Carbide Inserts Not Included
Please note that all indexable carbide inserts displayed in our tool holder product images are for operational demonstration, pocket seating clarity, and application layout visualization only. The Beyond SRAPR2525M10 package includes solely the hardened right-hand heavy-duty tool holder body and a matching assembly wrench; indexable cutting inserts must be ordered separately.
1. Product Overview
The Beyond SRAPR2525M10 is an industrial-grade, heavy-duty right-hand external indexable turning tool holder specifically engineered for high-power CNC lathe turrets, turning centers, and conventional engine lathes. Built with a robust 25x25mm square shank body, this premium tool holder is purpose-designed to eliminate harmonics and provide extreme rigidity when working with 10mm round carbide inserts—specifically the internationally standardized RPMT 10T3 and RPMR 10T3 series. Circular cutting geometries possess an inherently high edge strength because they lack a single weak point location like traditional diamond or triangle inserts. This allows mechanical stresses and thermal shocks to distribute evenly across the cutting radius arc, making it highly resistant to micro-chipping. The 11° positive rake clearance profile significantly reduces cutting forces and allows for smooth chip control when face-roughing, radius profiling structural steels, stainless steel components, and tough castings.
2. Product Key Features
- High-Tensile Alloy Matrix: Quenched and tempered to exact industrial HRC specifications to absorb structural vibration and withstand extreme depths of cut ($Ap$).
- Symmetrical Load Evacuation: The round profile geometry spreads cutting wear across a wider radius arc, extending insert tool life by up to 35% compared to rhombic alternatives.
- Chemical Matte Black Finish: Features an advanced industrial black oxide treatment that resists rust and minimizes thermal chip welding during high-temperature dry machining runs.
- Unobstructed Center-Screw Clamping: Engineered with a low-profile metric flathead screw mechanism that provides absolute clearance for continuous, high-velocity chip flow.
ISO Tool Designation Nomenclature Diagram
Looking for high-performance indexable cutting inserts calibrated for this heavy-duty shank?
Browse Compatible RPMT 10T3 Inserts Here →3. Technical Specifications & Dimension Conversions
| ISO Specification Parameter | Metric Designation (Standard) | Imperial Cross-Reference Equivalent |
|---|---|---|
| Shank Dimension (H x W) | 25 mm × 25 mm | approx. 1" × 1" (1.00 × 1.00 inch Shank Size) |
| Overall Tool Length (OAL) | 150 mm | approx. 5.905 inches |
| Compatible Insert Specification | RPMT 10T3 MO / RPMR 10T3 | RPM. 32.5 (ANSI Industry Equivalent Standard) |
| Clamping Screw Hardware | M3.5 × 9.0 mm Screw | M3.5 × 9.0 mm Screw |
| Torx Wrench Drive Interface | T15 Flag Wrench | T15 Flag Wrench |
Recommended Industrial Cutting Parameters
| Workpiece Material Family | Cutting Speed ($Vc$) Range | Optimal Feed Rate ($f$) Range |
|---|---|---|
| P (Low-Carbon / Carbon Steel Alloys) | 160 - 310 m/min (520 - 1010 SFM) | 0.12 - 0.40 mm/rev (0.005 - 0.016 in/rev) |
| M (Austenitic & Duplex Stainless Steels) | 100 - 195 m/min (328 - 640 SFM) | 0.10 - 0.30 mm/rev (0.004 - 0.012 in/rev) |
| K (Nodular & Grey Cast Irons) | 140 - 260 m/min (460 - 850 SFM) | 0.15 - 0.45 mm/rev (0.006 - 0.018 in/rev) |
4. Product Application Scenarios
The robust 25mm (1") square shank block coupled with precise 10mm circular insert profiles excels across specific high-load precision industrial turning steps:
- Heavy-Duty Roughing & Scale Peeling: Built to comfortably absorb heavy cyclic impacts when peeling raw forged blocks or hard outer sand skins from castings.
- External Radius Profiling: Sustains heavy dimensional correctness on continuous spherical machining paths for big ball joints and industrial rollers.
- Interrupted Deep Copy Turning: Prevents structural flex and chatter when crossing cross-holes, keyways, or uneven multi-pass contours.
5. Machine Tool & Equipment Compatibility
Machined to tight dimensional tolerances to ensure fast drop-in integration into large-scale machine setups:
- Secures directly into standard 25mm static tool pocket blocks or high-power CNC lathe turrets.
- Fits smoothly on conventional manual engine lathes outfitted with standard square tool posts.
- Fully compatible with standard Quick-Change Tool Post assemblies (such as standard QCTP 300 series or CXA tool holder blocks designed for 1.00-inch shanks).
6. Beyond Insert Grade Selection Matrix
Pair your SRAPR2525M10 holder with the appropriate Beyond carbide insert grade substrate to match your raw material stock:
| Beyond Insert Grade | Coating Architecture | Primary Application Profile | ISO Range Class |
|---|---|---|---|
| BY1030 | CVD Thick TiCN + Al2O3 Multi-Layer | Continuous high-speed turning to medium roughing in carbon steel and hard alloy plates. | P15 - P30 |
| BY2015 | Multi-Layered PVD AlTiN Nano-Coating | High thermal resilience for gummy stainless steels (304, 316) and high-temperature superalloys. | M10 - M25 |
| BY4025 | Heavy PVD Ultra-Tough TiAlN Coating | Heavy interruption, rough casting surfaces, and structural low-speed processing environments. | P30 - P45 / M25 - M40 |
7. Operational Troubleshooting Matrix
Problem A: Fine Surface Chatter or Low-Frequency Vibration
Correction: Even with a solid 25mm body, large circular profiles require an adequate depth of cut ($Ap$) to push cutting pressures axially into the spindle. Increase your feed rate ($f$) or use highly positive-rake indexable inserts.
Problem B: Premature Flank Wear or Crater Formations
Correction: Elevated linear velocity causes localized friction cooking. Reduce your surface speed ($Vc$) or migrate to a premium CVD multi-layer co-extrusion grade (BY1030).
Problem C: Insert Indexing Shifts or Pocket Movement
Correction: Check if micro-chips or compressed dust have settled underneath the pocket seat. Clean thoroughly with an air gun and replace the M3.5 clamping screw if it shows thread wear.
8. Global Customer Experiences
"Unbelievable rigidity for a 1-inch bar" — Christopher K. (United States)
This 25mm shank is an absolute tank. Running heavy cuts on forged shafts using RPMT10T3 inserts, it just peels off steel with zero deflection. Absolute beast for CNC turrets.
"Maximale Stabilität bei Gussbearbeitung" — Andreas B. (Germany)
Solid 25mm tool body completely absorbs the heavy shock of hard casting surfaces. Pocket seating is highly precise; the round inserts don't budge under high load. Excellent industrial tool from Beyond.
"Gambo robusto da 25mm, fantastico" — Marco F. (Italy)
Superb anti-rust black coating. Very solid construction. Handles deep facing cuts effortlessly. Keep in mind that indexable carbide inserts must be purchased separately—holder only package.
"中型旋盤に最適、抜群の安定性" — Hiroshi M. (Japan)
Perfect for our 25mm CNC lathe stations. The heat dissipation on the body is excellent during long roughing profiles. High precision toolholder at an extremely cost-effective price point.
"Flawless handling on structural steel contours" — Nathan D. (Australia)
We run this 25mm bar on structural tube assemblies with weld seams. The combination of the heavy shank and round insert profiles clears the intermittent shock comfortably without edge chipping.
9. Frequently Asked Questions
Q: What is the exact imperial equivalent size for the SRAPR2525M10 tool holder shank?
A: The metric 25x25mm square shank dimensions correspond directly to a standard 1 inch × 1 inch heavy tool block mounting standard.
Q: Is this tool holder compatible with both RPMT10T3 and RPMR10T3 insert styles?
A: Yes! The pocket seat accepts all standard 10mm round inserts featuring a 3.97mm thickness ($S1$), including both RPMT 10T3 and RPMR 10T3 industrial designations.
Q: What screws and wrench come inside the standard packaging?
A: It uses a high-tensile metric M3.5 × 9mm flathead Torx screw. One screw is pre-installed in the pocket seat, and a matching T15 flag-style driver wrench is included in the box.
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.