SRACL2525M10 External Turning Tool Holder for RCMT Inserts – BEYOND
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SRACL2525M10 External Turning Toolholder
Professional 25x25mm Left-Hand Shank for RCMT1003 Round Inserts
Product Overview
"Which left-hand 25mm toolholder provides the best balance of clearance and rigidity for complex radius profiling with 10mm round inserts?"
The Beyond SRACL2525M10 is a specialized industrial toolholder optimized for RCMT1003 round inserts. While 12mm inserts are common for heavy roughing, the 10mm round geometry (R-type) offers superior clearance for intricate contouring while maintaining the inherent edge strength of a circular profile. This 25x25mm shank model is built to provide high harmonic stability, making it the premier choice for profiling cycles in medium-sized workpieces where surface finish and dimensional accuracy are critical.
Key Features
- ✔ Quenched 42CrMo Alloy Steel: Precision forged and heat-treated to HRC 42-45 for extreme toughness.
- ✔ S-Type Screw Clamping: Features a streamlined head design for better chip flow and high-security insert locking.
- ✔ Vibration Damping Tech: The Beyond material structure absorbs micro-harmonics, extending carbide insert life by up to 25%.
Technical Specifications
Screw Clamp
Round Shape
90° Approach
7° Relief
Left Hand
25x25mm
150mm Len
RCMT10
| ISO Parameter | Metric (mm) | Imperial (inch) |
|---|---|---|
| Shank Size (H x W) | 25 x 25 mm | 1.00" x 1.00" |
| Total Length | 150 mm | 5.90" |
| Insert Size | RCMT 1003** | Round 3/8" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Carbon Steel (P) | 180 - 280 m/min | 0.15 - 0.45 mm/rev |
| Stainless (M) | 130 - 190 m/min | 0.12 - 0.35 mm/rev |
Required Insert: RCMT 1003** / RCGT 1003**
Specifically designed for 10mm round inserts for medium-duty profiling.
Shop RCMT10 Inserts →Primary Applications
- Radius Profiling of Shaft Components
- Medium Roughing to Finishing Cycles
- Machining Fillets and Large Chamfers
- External Contouring of Cast and Forged Parts
Compatibility
Fits all standard CNC tool turrets designed for 25mm (1") shanks. Fully compatible with ISO standard RCMT 10 series inserts from Beyond, Sandvik, and Kyocera.
Beyond Brand Material Comparison
Superior Surface Finish: While entry-level toolholders focus only on shank dimensions, Beyond utilizes 42CrMo steel with controlled quenching. This creates a dense internal grain structure that damping vibrations 30% more effectively than generic C45 steel holders. When using a 10mm round insert, this stability is the difference between micro-chatter and a mirror-like finish on your workpiece.
Verified B2B Reviews
"Great stability for a 25mm shank. The RCMT10 insert gives much better clearance for our specific profiling work than the 12mm versions."
— Robert D., USA"Hervorragende Qualität. Der Plattensitz ist extrem präzise. Schnelle Lieferung nach Deutschland."
— Dieter W., Germany"Ottimo prodotto. La rigidità è superiore rispetto ad altri marchi economici. Consigliato per lavorazioni pesanti."
— Marco V., Italy"Consistent performance. Accuracy across batches is reliable for our production line."
— Kenji S., JapanFrequently Asked Questions
Can I use RCGT inserts with this holder?
Yes! The SRACL2525M10 is fully compatible with both RCMT (standard) and RCGT (ground/polished for aluminum) 10mm round inserts.
What is the advantage of the 10mm insert over the 12mm?
The 10mm insert offers a smaller radius footprint, which is better for intricate contouring and provides more clearance in tight profiling areas without sacrificing the edge strength of the round geometry.
Does it include the screw and wrench?
Yes, every Beyond toolholder comes with a high-tensile clamping screw and the corresponding Torx wrench.
Material Pro Tip: Round Edge Strength
When roughing with the SRACL2525M10, the round insert allows for significantly higher feed rates. Because there is no "tip" to break, you can increase your depth of cut to maximize machine output while maintaining thermal stability.
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.