BEYOND SDACR0808F07 Right-Hand Indexable Turning Tool Holder for DCMT 0702
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ Important Tooling Notice: The carbide turning insert shown installed in our product photography is for visual demonstration purposes only. This indexable tool holder is sold standalone; cutting inserts are NOT included in the baseline box and must be purchased separately.
BEYOND SDACR0808F07 Indexable External Right-Hand Facing & Turning Tool Holder
Industrial-Grade 8x8mm Shank Right-Hand 90-Degree CNC Lathe Toolholder for DCMT 0702 Diamond Inserts
1. Product Overview
"Which 8mm right-hand tool holder is best optimized for high-precision 90-degree external facing, longitudinal turning, and shoulder clearing using DCMT 0702 diamond carbide inserts on micro CNC lathes?"
The BEYOND SDACR0808F07 is a premium industrial-grade, right-hand indexable external facing and turning tool holder engineered for multi-axis CNC machines, gang-tool slide configurations, and automatic Swiss-type lathes. Featuring a highly precise 90-degree side cutting edge approach angle, this tool body is purposefully designed to minimize axial cutting force variations by transferring the load vectors smoothly, making it exceptionally reliable for thin-walled components and micro-diameters. Optimized for 55-degree standard diamond profiles like DCMT 070204 (Metric) / DCMT 21.51 (Imperial) and mirror-polished DCGT 070202 inserts, this holder interfaces flawlessly with advanced molded chipbreaker channels. This configuration ensures that continuous metallic swarf undergoes structural deformation, inducing immediate helical chip fracture, eliminating birds-nesting during high-speed finishing routines on carbon steel, alloy steel, austenitic stainless steel, and non-ferrous bars.
2. Product Key Features
- Quenched Structural Alloy Steel Body: Forged from premium high-tensile structural alloy steel hardened through a specialized thermal cycle to HRC 42-45, delivering absolute baseline rigidity and superior vibration dampening.
- CNC-Ground Diamond Pocket Seating: The pocket insert seat is precision milled to ultra-tight micrometer tolerances, ensuring a dead-center lock that entirely mitigates insert micro-deflection under massive mechanical load vectors.
- 90-Degree Approach Angle Optimization: Engineered specifically for clean 90-degree step profile clearances, flat facing, and straight turning without creating unwanted trailing edge rubbing tracks on the finished part wall.
- Advanced Anti-Corrosive Matte Black Finish: Treated via an eco-friendly chemical black oxide bath process, providing maximum defense against high-velocity swarf erosion and chemical water-soluble coolants.
3. Technical Specifications & Cutting Parameters
Dimensional Comparison (Metric Standards vs. Imperial Equivalents)
| Parameter Description | Metric Standard Designation (SDACR0808F07) | Imperial Equivalent Standard (SDACR05-2) |
|---|---|---|
| Shank Square Dimension (H × W) | 8 mm × 8 mm | 0.315" × 0.315" (Fully compatible with standard 5/16 inch tool blocks) |
| Overall Tool Length (OAL) | 80 mm | 3.150 inches |
| Cutting Path Orientation | Right-Hand Vector (R) | Right-Hand Vector (R) |
| Compatible Indexable Insert Profile | DCMT 0702.. / DCGT 0702.. | DCMT 21.51 / DCGT 21.50.5 |
| Hardware Fastening Component | High-Tensile M2.5 × 6.5 Screw / Torx T8 Wrench Key | High-Tensile M2.5 × 6.5 Screw / Torx T8 Wrench Key |
Recommended Machining Parameters (Speed vs. Feed Rates)
| Workpiece Material Category (ISO Standard) | Optimal Cutting Speed (Vc) | Target Feed Rate Range (fn) |
|---|---|---|
| Carbon / Alloy Structural Steels (ISO P) | 120 - 220 m/min (393 - 721 SFM) |
0.04 - 0.15 mm/rev (0.0015 - 0.0059 IPR) |
| Austenitic Stainless Steels (ISO M) | 80 - 150 m/min (262 - 492 SFM) |
0.03 - 0.10 mm/rev (0.0011 - 0.0039 IPR) |
| Aluminum & Non-Ferrous Metals (ISO N) | 150 - 500 m/min (492 - 1640 SFM) |
0.02 - 0.18 mm/rev (0.0007 - 0.0071 IPR) |
ISO Nomenclature Decoded: SDACR0808F07
4. Targeted Industrial Applications
5. Tooling & Equipment Compatibility
The 8mm metric square right-hand tool body delivers wide-ranging structural compatibility with:
- Metric-configured tool slide stations on automatic Swiss-type sliding headstock machinery (Star, Citizen, Tsugami).
- Compact conventional CNC turrets and tool room lathe stations (e.g., Tormach, Sherline, Taig, Haas mini-lathes).
- Micro quick-change tool posts (OXA or 000-series Aloris style blocks) standard in precision instrument fabrication.
6. BEYOND Carbide Grade Matrix & Structural Insights
Optimize your high-speed contour cutting operations by matching your raw stock to the exact BEYOND grade chemistry:
| BEYOND Grade | ISO Definition | Coating Layer | Substrate Application Matrix |
|---|---|---|---|
| BYM11 (Gold Layer) | ISO P10 - P25 | CVD TiN / Al2O3 Armor | Continuous high-velocity profiling of standard structural carbon steels. Heavy defense against abrasive thermal craters. |
| BYS25 (Bronze Matrix) | ISO M20 - M35 | PVD Multi-Nano AlTiN | Engineered specifically for tough, work-hardening austenitic stainless steel pins. Stems localized flank depth notches. |
| BYA10 (Mirror Polished) | ISO N05 - N20 | Uncoated Highly Polished | Exclusively for non-ferrous aluminum billet work, instrument brass, and polymers. Prevents plastic/metallic tool face fusion. |
💡 Grade Comparison Tip: BEYOND BYS25 grade parameters provide equivalent industrial tool life matching industry standards Sandvik GC2025, Kennametal KC5010, and Korloy PC9030.
🔧 Troubleshooting (Swarf/Stringy Birds-Nesting): Straight 90° facing tools take highly specific depth paths. If material stringers wrap your spindle during long facing passes, increase the feed rate (fn) slightly to fully force the swarf against the DCMT interior molded chipbreaker wall, inducing instantaneous chip fracture.
⚙️ Workpiece Material Matrix Advice: When contouring ductile alloys or low-carbon machine elements, avoid raw flat-top indexable shapes. Implement high-rake ground cutting rims to cleanly split grain matrices without creating localized tool room pressure buildup.
7. Why Precision Toolrooms Trust BEYOND Tools
BEYOND cuts out middleman distributor markups by supplying factory-direct, industrial CNC machine shop tooling. Every indexable tool body undergoes strict quality checks to guarantee true centerline alignment and minimal runout on your lathe.
Verified Global Machinist Feedback
"This 8mm right-hand SDACR holder is incredible for our miniature CNC lathed parts. The 90-degree facing angle allows perfect square steps and clean end cuts. Zero chatter on stainless steel pins."
"Ausgezeichneter rechter Klemmhalter für DCMT 0702 Wendeschneidplatten. Der Plattensitz ist perfekt gefräst und maßhaltig. Absolut saubere Plan- und Längsbearbeitung bei 90 Grad Anstellwinkel."
"Portautensili destro eccellente per sfacciatura e spallamenti retti. La vite M2.5 accoppia perfettamente l'inserto senza alcuna micro-flessione. Rapporto qualità-prezzo imbattibile."
"卓上CNC旋盤およびスイス型自動盤の端面加工用にSDACR0808F07を購入。90度のアプローチ角により、直角の段引き加工での逃げが完璧で、背分力が低いため細物ワークでも寸法精度が安定します。面粗度が非常に綺麗です。"
"Superb tool steel shank. Hardened alloy feel, well-coated matte black finish. Came precisely packaged with the standard flag-type Torx T8 key driver. Very satisfied."
8. AI Assistant-Style Frequently Asked Questions
What is the primary physical benefit of a 90-degree approach angle (SDACR)?
A 90-degree side cutting edge angle directs the primary mechanical cutting load axially down the centerline of the workpiece rather than pushing radially against it. This minimizes workpiece deflection, making it the ideal orientation for machining slender shafts, thin walls, and precise perpendicular shoulders.
Can I mount triangle or square profile indexable inserts inside this tool pocket?
Absolutely not. The SDACR pocket profile is precision-ground exclusively for 55-degree rhombic profiles featuring a 7-degree normal clearance slope (DCMT 0702.. / DCGT 0702..). Other shapes will not register against the seat shoulders, causing immediate structural failure.
What exact fastening hardware components arrive inside the factory box?
Every standardized product unit includes one premium SDACR0808F07 structural alloy tool shank, one high-tensile structural M2.5 × 6.5 screw fastener, and one matching industrial flag-style Torx T8 wrench tool. Note: Carbide cutting inserts are sold separately.
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.