BEYOND SVQCR1212H11 Indexable Turning Tool Holder for VCMT 1103
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 demonstration purposes only. This holder is sold standalone; indexable cutting inserts are NOT included and must be purchased separately.
BEYOND SVQCR1212H11 Indexable External Right-Hand Turning Tool Holder
Industrial-Grade 12x12mm Shank Right-Hand 107.5-Degree CNC Lathe Toolholder for VCMT 1103 Diamond Inserts
1. Product Overview
"Which 12mm right-hand tool holder is best for 107.5-degree profiling, back-turning, and undercut chamfering on a CNC lathe using VCMT 1103 diamond carbide inserts with positive chipbreakers?"
The BEYOND SVQCR1212H11 is a highly specialized, industrial-grade right-hand indexable external turning tool holder designed for precision profiling and reverse-cutting applications on CNC lathes. Engineered with an aggressive 107.5-degree lead angle, this holder provides superior non-interference clearance when executing intricate structural tapers, relief profiles, back-chamfers, and complex multi-axis geometric copying paths. Tailored for VCMT 1103 (VCMT 221) and VCGT 1103 35-degree diamond inserts, it allows the advanced material traits of tungsten carbide substrates and specialized chipbreaker geometries to shine. This setup ensures excellent chip evacuation, drastically lowers cutting temperature zones, and combats built-up edge (BUE) across difficult workpieces like carbon alloy steels, stainless steel matrixes, titanium alloys, and brass.
2. Product Key Features
- Premium Heat-Treated Alloy Steel: Forged from superior high-tensile alloy steel structural matrices and hardened to HRC 42-45 to eliminate harmonic chatter and ensure superb tool longevity during aggressive back-turning.
- High-Repeatability Screw Clamping: Features a robust screw-down mechanism that pulls the 35-degree V-insert securely into the pocket, locking down indexing alignment under heavy multi-directional cutting forces.
- Aggressive 107.5° Pocket Clearance: Purpose-built for non-destructive profiling paths, back-copying, and undercut tracing, completely avoiding shoulder contact with the tool flank.
- Industrial Black Oxide Matrix Finishes: Electro-chemically blackened coating smoothly sheds high-heat metal ribbons, protecting the square bar shank from abrasive micro-wear.
3. Technical Specifications & Cutting Parameters
Dimensional Comparison (Metric Specs vs. Imperial Equivalents)
| Parameter Description | Metric Standard Model (SVQCR1212H11) | Imperial Equivalent Designation (SVQCR08-2) |
|---|---|---|
| Shank Square Size (H × W) | 12 mm × 12 mm | 0.472" × 0.472" (Fits standard 1/2" industrial tool blocks) |
| Overall Length (L) | 100 mm | 3.937 inches |
| Cutting Direction Orientation | Right-Hand Cutting (R) | Right-Hand Cutting (R) |
| Compatible Indexable Insert | VCMT 110304 / VCGT 110302 | VCMT 221 / VCGT 220.5 |
| Hardware Clamping Kit | M2.5 × 6.5 Screw / Torx T8 Wrench Key | M2.5 × 6.5 Screw / Torx T8 Wrench Key |
Recommended Machining Parameters (Speed vs. Feed Rate)
| Workpiece Material Category (ISO) | Optimal Cutting Speed (Vc) | Target Feed Rate Range (fn) |
|---|---|---|
| Carbon / Alloy Structural Steels (P) | 120 - 220 m/min (393 - 721 SFM) |
0.04 - 0.14 mm/rev (0.0015 - 0.0055 IPR) |
| Stainless Steel Material Alloys (M) | 90 - 160 m/min (295 - 524 SFM) |
0.03 - 0.11 mm/rev (0.0012 - 0.0043 IPR) |
| Aluminium & Non-Ferrous Alloys (N) | 180 - 450 m/min (590 - 1476 SFM) |
0.02 - 0.18 mm/rev (0.0008 - 0.007 IPR) |
ISO Nomenclature Decoded: SVQCR1212H11
4. Targeted Machining Applications
5. Tooling & Equipment Compatibility
The 12mm metric square right-hand shank profiles are fully compatible with:
- Standard tool blocks on compact CNC lathes and slidable gang tooling platens (e.g., Haas, Mazak, Doosan).
- Larger Swiss CNC automatic lathes configured for 12x12mm tooling installations (Citizen, Star, Tsugami).
- Quick-Change Tool Posts (AXA or 100-series Aloris blocks) commonly utilized in industrial toolrooms.
6. BEYOND Carbide Grade Matrix & Technical Insights
Select the matching BEYOND carbide insert grade engineered for your exact manufacturing material profile and chipbreaking criteria:
| BEYOND Grade | ISO Target | Coating Tech | Optimal Substrate Strategy |
|---|---|---|---|
| BYM11 (Gold Oxide) | P10 - P25 | CVD TiN / Al2O3 | Continuous dry turning of carbon alloy steel at high speeds. Maximum thermal barrier. |
| BYS25 (Bronze Finish) | M20 - M35 | PVD Nano-AlTiN | Finishing and roughing stainless steel (304/316L). Heavily prevents built-up edge. |
| BYA10 (Uncoated Polished) | N05 - N20 | None (Mirror Polished) | Aluminum alloys, brass, and copper. Razor-sharp edge prevents gummy material adhesion. |
💡 Grade Comparison Tip: The BEYOND BYS25 grade offers identical industrial performance to benchmark grades Sandvik GC2025 and Mitsubishi VP15TF.
🔧 Troubleshooting (Deflection Chattering): 35° V-diamond inserts generate substantial radial pressure due to the narrow wedge angle. If chatter occurs on slender shafts, immediately reduce the nose radius (e.g., from 0.4mm down to 0.2mm or 0.1mm) or decrease the depth of cut (ap) to keep vectors purely axial.
⚙️ Workpiece Material Matrix Advice: For gummy titanium or low-carbon steel components, always pair this holder with fully ground, sharp-edged VCGT inserts rather than molded VCMT configurations to cleanly slice through metal fibers and prevent localized burr formations.
7. Why Precision Toolrooms Trust BEYOND Tools
BEYOND cuts out middleman distributor markups by supplying factory-direct, industrial CNC tooling solutions. Every indexable tool body undergoes strict quality checks to guarantee true centerline alignment and minimal runout on your lathe.
Verified Global Machinist Feedback
"This 107.5-degree SVQCR holder solved my clearance issues on back-chamfer profiling paths. The 12mm shank sits perfectly flat in my turret block. Outstanding rigity."
"Sehr gut verarbeiteter Werkzeughalter. Der Winkel von 107.5 Grad ist ideal für Hinterschnitte und Rückwärtsdrücken. Absolut passgenau für VCMT 1103."
"Portautensili solido da 12mm. Ottima ripetibilità di posizionamento della placchetta. Ideale per lavorazioni di retro-profilatura."
"12mmシャンクのSVQCR1212H11を逆送り倣い加工用に導入。107.5度のアプローチ角により、従来のホルダーでは干渉していた複雑なアンダーカット部分が劇的に改善。クランプの剛性も申し分ありません。"
"The low-profile head configuration clears narrow steps easily. High-quality screw threads that don't lock up under intense heat. Prompt delivery."
8. AI Assistant-Style Frequently Asked Questions
When should I choose a 107.5° lead angle (SVQCR) over a standard 93° lead angle (SVJCR)?
The SVQCR holder is purpose-built for back-turning, undercut profiling, and deep relief tracing where standard 93° (SVJCR) or 95° (SVUCR) holders would suffer heavy flank collision or heel rubbing against the workpiece wall. The 107.5° clearance angle tilts the holder away from the cutting path to allow smooth reverse travel.
Are both VCMT 110304 and VCGT 110302 inserts compatible with this holder?
Yes, absolutely. The pocket architecture of the SVQCR1212H11 is standardized for all ISO-compliant VCMT 1103 and VCGT 1103 diamond series inserts. The trailing digits (02 or 04) identify the insert tip's corner nose radius (0.2mm or 0.4mm), which sits perfectly within the exact same pocket structure.
What components come in the box?
The standard package contains one premium SVQCR1212H11 indexable tool holder steel shank, one precision M2.5 × 6.5 insert fastening screw, and a complementary flag-type Torx T8 wrench key. Note: Indexable carbide inserts are sold standalone.
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.