BEYOND SRGPL2525M10 CNC Lathe Turning Tool Holder for Round RCGT RPMT 10 Inserts
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✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
BEYOND SRGPL2525M10 Indexable Left-Hand External Turning Tool Holder
1. Product Overview
"Which left-hand turning tool holder provides the highest feed stability and best surface roughness when profiling difficult alloy steels?" Mechanical engineers and CNC operators running heavy external profiling always struggle with vibration and micro-chipping at the corner radius. The BEYOND SRGPL2525M10 is engineered to eliminate these heavy roughing vulnerabilities.
Constructed from premium high-rigidity alloy steel, this 25x25mm industrial-grade square shank turning bar is tailored exclusively for left-hand machining operations using round indexable carbide inserts (ISO size 10). By pairing it with high-performance round insert configurations such as RCGT1003 or RPMT1003, the cutting forces are directed axially along the shank. This significantly minimizes radial deflection and chatter while unleashing superior chipbreaker control for smooth, uninterrupted material extraction.
2. Key Features
- Heavy-Duty Hardened Alloy Steel: Precision forged and quench-hardened to achieve superior core toughness, reducing tool deflection under high mechanical load.
- Perfect Round Insert Alignment: Pocket dimensions are ground to absolute tolerances, delivering excellent insert indexability and tight center-height repeatability.
- S-Type Screw Clamping Configuration: Low-profile screw-down lock ensures an entirely unobstructed chip evacuation zone, preventing hot nested chips from scratching your workpiece.
- Anti-Galling Black Oxide Finish: Exceptional thermal and corrosion resistance prevents cold welding or sticking between the carbide insert substrate and the seat pocket.
ISO Specification Code Breakdown: SRGPL2525M10
S - Clamping System: Screw-on mechanism for maximum chip clearance and easy insert indexing.
R - Insert Shape: Designed for Round / Circular indexable carbide cutting geometries.
G - Tool Cutting Edge Angle: Offset side-cutting tool configuration for variable approach profiles.
P - Insert Clearance Angle: Matches 11-degree normal clearance flank configurations.
L - Hand of Tool: Left-Hand cutting direction orientation.
2525 - Shank Cross Section: 25mm Width $\times$ 25mm Height Metric Square Tool Bar (1" $\times$ 1" Imperial equivalent).
M - Overall Tool Length: 150mm Metric standard tool bar length.
10 - Cutting Edge Size: Fits $\varnothing 10\text{mm}$ outer diameter round inserts (e.g., RCGT1003 / RPMT1003).
3. Technical Specifications & Dimension Equivalents
Engineered for global compatibility, the table below maps out precise metric and imperial sizing parameters:
| Technical Parameters | Metric Standards | Imperial Cross-Reference Equivalents |
|---|---|---|
| ISO Model Designation | SRGPL2525M10 | SRGPL 16-5M Equivalent |
| Shank Size ($H \times W$) | 25 mm $\times$ 25 mm | 0.984" $\times$ 0.984" (Approx. 1 Inch Square) |
| Total Tool Bar Length ($L$) | 150 mm | 5.905 Inches |
| Compatible Insert Size | $\varnothing$ 10 mm | $\varnothing$ 0.394 Inches (Size 32) |
| Locking Screw Spec | M4.0 / M4.5 Torx Bolt | Standard Industrial Thread Pattern |
| Included Accessory | T15 / T20 Torx Flag Key | T15 / T20 Torx Wrench |
Industrial Cutting Parameters & Speeds Recommendation
| Workpiece Material Matrix | Recommended Cutting Speeds ($V_c$) | Optimal Feed Rate ($f$) Range |
|---|---|---|
| Carbon & Alloy Steel (P-Group) | 180 - 320 m/min (590 - 1050 SFM) | 0.12 - 0.40 mm/rev (0.005" - 0.016" IPR) |
| Stainless Steels / Duplex (M-Group) | 100 - 200 m/min (328 - 656 SFM) | 0.10 - 0.32 mm/rev (0.004" - 0.013" IPR) |
| Cast Irons / Nodular Graphite (K-Group) | 150 - 250 m/min (492 - 820 SFM) | 0.15 - 0.45 mm/rev (0.006" - 0.018" IPR) |
4. Application Scenarios
- Spherical & Arc Contouring: Round insert geometry provides an infinite number of entry vectors, making it ideal for smooth 3D radius turning on CNC equipment.
- Heavy Interrupted Cut Profiling: Left-hand configuration excels in back-turning or machining towards the tailstock on specific lathe beds where high-impact skin scaling occurs.
- Turbine Component Roughing: Excellent performance in hogging out large volumes of material from curved casting surfaces.
5. Turret & Equipment Compatibility
This external tool holder integrates smoothly with all industrial automated CNC turrets, multi-axis mill-turn centers, or standard conventional lathes with a tool block clearance of 25mm (or 1 inch) or higher. Compatible with Aloris, Dorian, Phase II, and other common Quick Change Tool Post (QCTP) blocks.
6. BEYOND Brand Grade Reference Guide
Maximize your SRGPL2525M10 tool life by aligning your workpiece material with the corresponding BEYOND proprietary insert grade:
| BEYOND Grade | Coating Layer Architecture | ISO Code Classification | Material Application & Geometric Strengths |
|---|---|---|---|
| BYP25 | Multi-Layer CVD TiCN + Al₂O₃ | P15 - P35 | Our flagship grade for general steel profiling. High structural thermal protection during long dry-cutting runs. |
| BYM15 | Nano-PVD TiAlN / AlTiN | M10 - M25 | Optimized for stainless steel and high-temperature alloys. Resists notch wear and prevents built-up edges (BUE). |
| BYK10 | Thick CVD Coating Layer | K05 - K20 | Ultra-hard abrasive resistance for grey cast iron and high-silicon non-ferrous roughing. |
Industrial Troubleshooting Quick-Guide
Problem: Micro-Chipping on Insert Corner $\rightarrow$ Solution: Round insert shapes generate substantial radial cutting pressure. If chipping occurs, decrease your depth of cut ($a_p$) or select a highly positive rake ground insert (like RCGT) to lower shearing forces.
Problem: Rapid Pocket Wear $\rightarrow$ Solution: Always ensure the seating pocket is cleared of micro-debris via air blow before indexing the insert screw to avoid micro-misalignments.
7. Why Production Engineers Rely on BEYOND Tools
BEYOND cutting tools are manufactured utilizing high-precision grinding processes. By emphasizing structural carbon integrity and micro-precise tool pocket seats, our components help machine shops achieve dimensional uniformity and reduce scrap rates across long production runs.
Global Machinist Feedback
"Rock-solid performance on back-turning profiles"
Using this SRGPL2525M10 on our Mazak lathe with RPMT1003 inserts. Rigidity is phenomenal when turning down pre-forged 1045 steel shafts. No chatter marks at all.
"Sehr präziser Plattensitz"
Hervorragende Qualität. Der Plattensitz passt perfekt für RCGT 10er Platten. Auch nach wochenlangem Einsatz im Dreischichtbetrieb zeigt der Halter keinerlei Verzug.
"Stelo robusto e ottima finitura"
Molto soddisfatto della rigidità meccanica a 25x25mm. Ottimo controllo del truciolo lavorando acciaio inox AISI 316. Spedizione rapida e imballo curato.
"高剛性で球形加工に最適"
左勝手のホルダーとしてNC旋盤で使用しています。丸コマチップのホールド感が非常に良く、R加工の表面粗さが非常に綺麗に出ます。ネジの耐久性も高いです。
8. Industrial AI-Style Expert FAQ
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.