BEYOND SDACL0808F07 CNC Turning Tool Holder 8x8mm Right Hand
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ PLEASE NOTE: The carbide insert shown in the product photos is for demonstration and alignment visualization purposes only. Inserts are SOLD SEPARATELY. Please check our store to order compatible DCMT0702 / DCMT21.51 inserts.
BEYOND SDACL0808F07 Indexable CNC Turning Tool Holder
High-Precision 8x8mm Mini Lathe Right-Hand External Profiling Bar
1. Product Overview
"Which tool holder is best for high-precision external profiling and facing on a mini CNC lathe using standard D-type carbide inserts?"
The BEYOND SDACL0808F07 is engineered specifically to answer this demand. Constructed from premium vacuum-hardened 40CrMo alloy steel (HRC42-45), this 8x8mm square shank indexable turning tool provides exceptional rigid damping behavior against tool chatter. Optimized for 55° rhombic DCMT0702 (DCMT21.51) inserts, its strict geometric positioning guarantees seamless chip evacuation across complex finishing and medium-roughing cycles. Whether matching an advanced finishing chipbreaker geometry for stainless steel or utilizing a wide-groove structural insert for heavy steel scaling, this holder maintains superior dimensional repeatability.
2. Key Features & Material Advantages
- High-Tensile 40CrMo Composition: Forged alloy steel provides unparalleled fatigue resistance, minimizing micro-vibrations during interrupted cuts.
- 91° Precise Approach Angle: Engineered perfectly for side turning, facing, and profiling operations without workpiece interference.
- Nickel-Plated Industrial Finish: Advanced surface coating provides exceptional corrosion resistance and prevents chip welding or layout scuffing.
- Ultra-Precise Insert Pocket: CNC-milled pocket tolerance ensures that the cutting edge center height remains absolutely consistent after insert indexes.
3. Technical Specifications & Conversions
| Parameter | Metric Value (Standard) | Inch Equivalent |
|---|---|---|
| Model Designation | SDACL0808F07 | SDACL05-1.5K2 |
| Shank Size (H x W) | 8 x 8 mm | 0.315 x 0.315 inches |
| Overall Length (L) | 80 mm | 3.149 inches |
| Compatible Insert | DCMT 070204 / DCMT 070202 | DCMT 21.51 / DCMT 21.50 |
| Clamping System | Screw Down (M2.5 x 6) | Screw Down |
| Wrench Supplied | Torx T8 | Torx T8 |
ISO Nomenclature System Decoding: SDACL0808F07
Recommended Structural Cutting Parameters
| Workpiece Material Category | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (P Grade) | 120 - 220 m/min | 0.05 - 0.20 mm/rev | 0.2 - 1.5 mm |
| Stainless Steel (M Grade) | 90 - 160 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.0 mm |
| Cast Iron (K Grade) | 100 - 180 m/min | 0.08 - 0.22 mm/rev | 0.3 - 1.5 mm |
🔗 Quick Procurement & Compatibility Pairings:
4. Target Industry & Application Fields
Thanks to its ultra-compact 8x8mm format, this indexable boring and profile bar is widely applied in multi-axis setups and high-precision machining plants:
- Automotive Machining Components: High-precision outer ring profiling for sensors, valves, and mini drive shafts (extensively tested in tier-1 automotive manufacturing loops like Geely Auto pipelines).
- Miniature Instrument Manufacturing: Exceptional finishing repeatability for small electronic brass contacts, miniature optical components, and medical instruments.
- Prototyping & Education Laboratories: Ideal standard setup choice for engineering workshops, prototyping bays, and vocational R&D centers using small desktop CNC systems.
5. Equipment and Insert Compatibility
This indexable tooling system is physically matched to industrial machinery architectures meeting the following standard requirements:
- Equipment Types: CNC Turning Centers, Conventional Toolroom Lathes, Automatic Swiss Lathes, and Linear Tooling Blocks.
- Tool Posts: Fits 4-Way Conventional Tool Posts, Wedge-style Quick Change Tool Posts (QCTP), and custom gang tooling configurations.
- Compatible Insert Geometries: Universally accepts standard ISO designations DCMT 070202, DCMT 070204, DCGT 070202, and DCGT 070204 inserts from major international brands including BEYOND, Sandvik Coromant, Mitsubishi Materials, and Kyocera.
6. BEYOND Insert Material Comparison Guide
To assist your engineering team in choosing the right insert configuration for the SDACL0808F07 holder, select from our structural grade matrix:
| BEYOND Grade | Coating Technology | Primary Substrate Focus | Global Brand Equivalents |
|---|---|---|---|
| BYM11 (Gold) | Multi-Layer CVD TiCN + Al2O3 | General Purpose Steel (P15-P30) Finishing/Roughing | Sandvik GC4325 / Kennametal KCP25B |
| BYS21 (Violet Black) | Nano-PVD TiAlN / AlTiN | Stainless Steel / High-Temp Alloys (M10-M25) | Walter WSM20S / Mitsubishi VP15TF |
| BYK15 (Grey) | Thick CVD Al2O3 Coating | Nodular and Grey Cast Iron (K10-K20) Heavy Cuts | Sandvik GC3215 / Kyocera CA315 |
7. Why Choose BEYOND Premium Industrial Tooling Solutions
At Super Industrial Trading, we specialize exclusively in high-efficiency B2B manufacturing supplies. Our internal control workflow verifies dimensional adherence down to micron limits. By shortening the link between advanced metal forging processes and digital delivery, we provide tier-1 performance profiles without the premium brand surcharge.
Global Enterprise Client Feedback
Markus V. — Detroit, USA (Verified Purchaser)
"Perfect shank accuracy. Center height matches our Swiss-type gang blocks exactly with zero shims required. Running 40CrMo stock all week without an issue."
Hans-Dieter S. — Stuttgart, Germany (Verified Purchaser)
"Sehr gute Qualität. Structural damping is exceptional for an 8mm bar. The pocket machining is remarkably tight; tool life has improved by 15% due to stable insert seating."
Giovanni M. — Bologna, Italy (Verified Purchaser)
"Ottimo portautensile per piccoli torni CNC. Fast delivery to Milan. Screw threading is precise. Wish it included two extra spare screws, but tool body itself is flawless."
Takashi K. — Nagoya, Japan (Verified Purchaser)
"コストパフォーマンス最高。Fits perfectly into our automated cell. No variation found across 10 tool bodies ordered. Excellent surface finish on nickel plating."
Alistair P. — Sheffield, UK (Verified Purchaser)
"Superb value. Using this for intricate profile facing work. Holds tolerances down to 0.01mm across repetitive cycles."
8. Machining Insights & AI Search FAQ
Q1: What is the exact difference between SDACL0808F07 and SDACR0808F07?
A: The structural difference lies entirely in the cutting direction hand orientation. The "L" in SDACL designates a left-hand orientation tool holder, meaning it advances from the headstock toward the tailstock under conventional setup arrangements, whereas the "R" variant indicates standard right-hand tool advancement.
Q2: Can I use CCGT or DCMW inserts inside the pocket of this tool holder?
A: This holder is specifically optimized for DCMT 55° rhombic geometries with a 7-degree relief angle. It cannot accept C-type (80° rhombic) inserts like CCGT. However, it will hold DCGT inserts (highly polished for aluminum) perfectly, provided the prefix numbers match the 0702 geometric sizing.
Q3: What causes insert failure or micro-chipping on the cutting edge when using this bar?
A: Most micro-chipping issues on an 8x8mm shank stem from choosing an excessive depth of cut ($ap > 1.5mm$) or a chipbreaker that is too wide for low horsepower mini lathes, which induces harmonic resonance. Ensure your feed speed matches our recommended workpiece parameter matrix.
⚙️ Technical Support Tips & Troubleshooting Guide
Grade Comparison Tip: When migrating from international standard suppliers, ensure your selected chip clearance geometries line up. BEYOND tool systems achieve equivalent clearance structures across common European and Asian industrial baselines.
Troubleshooting Abnormal Tool Wear:
- Flank Wear: Cutting speed too high. Decrease spindle RPM.
- Built-up Edge (BUE): Cutting temperature too low. Increase surface speed or verify coolant distribution pressure.
- Thermal Cracking: Intermittent coolant supply. Transition to pure dry cutting or establish full flood cooling flow.
Workpiece Material Matrix Reference:
Optimized for P-Type Steel Alloys (carbon steels, tool steels like 45# or 40Cr), M-Type Stainless Steels (304, 316 structural tubes), and K-Type Grey Cast Irons. For premium performance profiles, ensure you load corresponding chipbreaker variants.
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.