SRGCL1616H10 External Turning Tool Holder for RCMT Inserts – BEYOND
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SRGCL1616H10 External Turning Toolholder
Precision 16x16mm Left-Hand Shank for RCMT1003 Round Inserts
Product Overview
"What is the most rigid left-hand toolholder for profiling and radius turning on a 16mm CNC turret?"
The Beyond SRGCL1616H10 is a specialized external turning toolholder engineered for RCMT1003 round inserts. The round insert geometry provides a unique advantage: it offers the strongest possible cutting edge, distributing heat and pressure over a larger surface area. This makes the SRGCL1616H10 the ideal choice for profiling complex radii and heavy-duty roughing where diamond-shaped inserts often fail due to edge chipping.
Key Features
- ✔ 42CrMo Alloy Steel Body: Superior vibration damping properties for high-precision surface finishes.
- ✔ Secure Screw Clamping: Keeps the round insert stable under high radial cutting forces.
- ✔ Round Insert Advantage: Allows for multi-directional profiling without changing tools.
Technical Specifications
Screw Clamp
Round Shape
90° Approach
7° Relief
Left Hand
16x16mm
100mm Len
RCMT10
| ISO Parameter | Metric (mm) | Imperial (inch) |
|---|---|---|
| Shank Size (H x W) | 16 x 16 mm | 0.629" x 0.629" |
| Total Length | 100 mm | 3.937" |
| Insert Size | RCMT 1003** | Round 3/8" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Steel (P) | 150 - 230 m/min | 0.15 - 0.45 mm/rev |
| Stainless Steel (M) | 110 - 170 m/min | 0.10 - 0.35 mm/rev |
Required Insert: RCMT 1003** / RCGT 1003**
Optimized for round carbide inserts to handle high-feed profiling work.
View Compatible Inserts →Typical Applications
- Roughing of Forged Shafts
- Complex Radius Contouring
- Turbine Blade Finishing
- Interrupted Cuts in Steel
Compatibility
Fits any standard CNC Turret with 16mm tool slots. Fully compatible with ISO standard RCMT/RCGT 10mm round inserts from all major brands.
Beyond Material Comparison
High-Rigidity Steel: Unlike budget toolholders made from basic carbon steel, Beyond uses 42CrMo high-tensile alloy. This material is heat-treated to HRC 42-45, providing superior wear resistance for the tool seat and ensuring the shank remains straight and stable under heavy radial loads.
Global User Feedback
"Perfect rigidity for profiling 304 stainless. The 16mm shank is surprisingly robust."
— Mike J., USA"Halter ist sehr präzise gefertigt. RCMT Platten passen spielfrei."
— Klaus W., Germany"Ottimo prodotto. Used it for profiling manifold radii, worked perfectly."
— Luca B., Italy"Very clean finish. Beyond tools are always reliable in our shop."
— Sato K., JapanFrequently Asked Questions
Can I use RCGT inserts for aluminum with this holder?
Yes! The SRGCL1616H10 is compatible with both RCMT (pressed) and RCGT (ground) 10mm round inserts.
Is this toolholder Right-Hand or Left-Hand?
The "L" in SRGCL stands for Left-Hand. Please check your turret configuration before ordering.
Why use a round insert instead of a diamond insert?
Round inserts have the strongest geometry, preventing edge chipping during tough profiling and providing superior surface finish at high feeds.
Material Pro Tip: The Profiling Advantage
When using the SRGCL1616H10, the effective chip thickness decreases as the depth of cut gets smaller. This allows you to push higher feed rates (f) than standard turning tools, significantly reducing cycle time while maintaining a beautiful radius finish.
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.