BEYOND SRGPL2525M08 CNC Lathe Turning Tool Holder for Round RCGT RPMT 08 Inserts
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โ Global Shipping: Delivery: generally 5โ20 business days, depending on destination and shipping method.
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๐ฐ Bulk savings 2-9 pcs ยท 6% OFF | 10+ pcs ยท 12% OFF
BEYOND SRGPL2525M08 Indexable Left-Hand External Turning Tool Holder
1. Product Overview
"Which left-hand turning tool holder provides the absolute maximum feed stability and surface smoothness when profiling tough alloy steels under heavy load?" CNC workshop managers and lathe operators executing high-volume profiling continuously battle vibration, rapid edge breakdown, and nesting chips around the tool post. The BEYOND SRGPL2525M08 heavy-duty external turning tool bar is purpose-built to conquer those structural machining bottlenecks.
Forged from industrial-grade alloy steel, this massive 25x25mm square shank cutter body is custom-tailored for left-hand external operations using round indexable carbide inserts (ISO size 08). When fitted with premium round insert configurations like the RCGT0803 or RPMT0803, cutting forces are directed axially back into the machine spindle rather than radially. This orientation drastically cuts down chatter, optimizes chipbreaker performance, and leaves flawless surface finishes during intricate profiling, spherical copy contouring, and facing operations.
2. Key Features
- High-Rigidity Forged Structural Steel Body: Precision heat-treated and quench-hardened to achieve maximum structural core toughness, ensuring the tool maintains tight positioning tolerances during high-feed roughing.
- Precision-Ground Round Pocket Seat: Machined to meticulous dimensional metrics, assuring robust insert indexability, eliminating insert micro-movement, and maximizing substrate life.
- S-Type Screw-Down Locking Configuration: A clean, low-profile screw clamp layout leaves the chip evacuation path completely open, preventing dangerous stringy chips from nesting and scratching the workpiece.
- Thermal-Resistant Black Oxide Coating: Delivers deep anti-galling and anti-corrosive protection, guaranteeing easy insert screw changes even after heavy, heat-intensive dry cutting runs.
ISO Specification Code Breakdown: SRGPL2525M08
S - Clamping System: Low-profile screw-on locking method for unobstructed chip path and maximum part clearance.
R - Insert Shape Geometry: Explicitly engineered for Round / Circular indexable cutting configurations.
G - Tool Cutting Edge Angle: Offset side-cutting style designed for multi-directional copy profiling.
P - Insert Clearance Angle: Matches the 11-degree normal clearance flank configurations of indexable inserts.
L - Tool Cutting Direction: Left-Hand external cutting orientation.
2525 - Shank Dimensions: 25mm Width $\times$ 25mm Height Metric Square Tool Bar (1" $\times$ 1" Imperial cross-reference).
M - Overall Tool Length: 150mm Metric standard tool bar length.
08 - Cutting Edge Diameter: Tailored perfectly for $\varnothing 8\text{mm}$ round insert footprints (e.g., RCGT0803 / RPMT0803).
3. Technical Specifications & Metric/Imperial Comparisons
To help production facilities plan their tooling packages seamlessly, see the direct metric to imperial dimensions map:
| Technical Parameter Features | Metric Standards | Imperial Cross-Reference Sizing |
|---|---|---|
| ISO Model Code | SRGPL2525M08 | SRGPL 16-2.5D Equivalent |
| Shank Size ($H \times W$) | 25 mm $\times$ 25 mm | 0.984" $\times$ 0.984" (Standard 1" Square Block) |
| Total Tool Bar Length ($L$) | 150 mm | 5.905 Inches |
| Compatible Insert Diameter | $\varnothing$ 8 mm | $\varnothing$ 0.315 Inches (Size 2.5 Fraction) |
| Locking Torx Screw | M3.0 Heavy Duty Screw | Standard Industrial Hex/Torx Hardware |
| Supplied Hardware Wrench | T10 Torx Wrench | T10 Torx Flag Key |
Industrial Cutting Speeds & Parameter Recommendations
| 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) | 0.10 - 0.35 mm/rev (0.004" - 0.014" IPR) |
| Stainless Steel / Duplex (M-Group) | 100 - 200 m/min (328 - 656 SFM) | 0.08 - 0.28 mm/rev (0.003" - 0.011" IPR) |
| Cast Irons / Gray Nodular (K-Group) | 150 - 250 m/min (492 - 820 SFM) | 0.12 - 0.40 mm/rev (0.005" - 0.016" IPR) |
4. Core Product Application Fields
- Complex Copy Profiling: The absolute lack of sharp corner radii allows the tool holder to smoothly execute variable entry sweeps, steep arc interpolations, and deep sphere contours.
- Heavy Interrupted Skin Roughing: Excellent for tracking through scaly surfaces, hex stock, or cast forgings where conventional sharp turning inserts split or shatter under heavy cyclic shock.
- Industrial Shaft Machining: Specifically used in processing heavy machinery components, axels, and long steel bars requiring stable metal removal rates (MRR) without vibration.
5. Machine Turret & Equipment Compatibility
This external indexing bar is directly compatible with any industrial automatic CNC turret layout, vertical turret lathe (VTL), mill-turn multi-task centers, or conventional manual lathes featuring a 25mm (or 1 inch) square tooling block pocket. Fits directly onto Aloris, Dorian, Phase II, and corresponding Quick Change Tool Posts (QCTP) without custom modification.
6. BEYOND Substrate Grade & Chipbreaker Guide
Maximize your SRGPL2525M08 setup performance by pairing it with the corresponding BEYOND proprietary insert grade:
| BEYOND Grade | Coating Layer Configuration | ISO Code Range | Material Target Optimization & Advantages |
|---|---|---|---|
| BYP25 | Multi-Layer CVD TiCN + AlโOโ | P15 - P35 | Our gold-standard grade for structural steel roughing. Offers high-temperature anti-crater performance. |
| BYM15 | Nano-PVD TiAlN / AlTiN | M10 - M25 | Optimized for stainless steel and exotic superalloys. Prevents work hardening and limits built-up edges (BUE). |
| BYK10 | Thick CVD Hard Layer | K05 - K20 | Extreme abrasive resistance tailored for roughing gray cast iron and abrasive non-ferrous aluminum composites. |
Industrial Troubleshooting Quick-Guide
Symptom: Deflection / Chatter Marks $\rightarrow$ Action: Round cutting geometries can generate substantial radial pressures. If chatter starts, check your center height alignment, slightly decrease your depth of cut ($a_p$), or increase the feed rate to properly engage the insert's molded chipbreaker.
Symptom: Loose Insert Fitting $\rightarrow$ Action: Fine metal dust can get trapped under the seat pocket during high-speed cutting. Thoroughly blast the seat clean with an air line before re-torquing the locking screw.
7. Why Process Engineers Rely on BEYOND Tools
BEYOND industrial cutting tools are processed on advanced multi-axis CNC grinding cells. By maintaining meticulous pocket configurations and tracking carbon steel density, our tools help manufacturing setups decrease cycle times, stabilize tool consumption cost, and eliminate scrap rates.
Global Machinist Feedback
"Incredibly rigid shank"
Running the SRGPL2525M08 on our production lathe with round RPMT0803 inserts. Taking full-depth profile cuts on tough alloy shafts. Zero deflection and the surface finish looks ground.
"Perfekte Passform fรผr Rundplatten"
Sehr massiver 25mm Schaft. Die Plattensitz-Geometrie fรผr RCGT Rundplatten ist absolut prรคzise gearbeitet. Der Spanfluss ist dank flacher Schraubenklemmung ungehindert.
"Rigiditร assoluta su stelo sinistro"
La stabilitร assiale su questo stelo sinistro รจ fantastica per la profilatura. Lavoriamo prevalentemente acciaio inox e il supporto assorbe le vibrazioni in modo impeccabile.
"25่งใชใฎใงๅๆงใๆ็พค"
ร8mmใฎไธธ้งใใใใใฌใใใชไฟๆใใฆใใใพใใ่ๅ ๅทฅใตใคใฏใซใๆ ผๆฎตใซๅฎๅฎใใพใใใใใธใฎ่ไน ๆงใๆ็พคใง้ๅฎใใฆใใพใใ
8. Industrial AI-Style Expert FAQ
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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 2โ9 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 1โ3 business days after confirmation. Delivery generally takes 5โ20 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.