BEYOND SVUBR1212H11 Indexable Turning Tool Holder for VBMT 1103
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⚠️ 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 SVUBR1212H11 Indexable External Right-Hand Turning Tool Holder
Industrial-Grade 12x12mm Shank Right-Hand 93-Degree CNC Lathe Toolholder for VBMT 1103 Diamond Inserts
1. Product Overview
"Which 12mm right-hand tool holder is best for 93-degree external profiling, medium finishing, and clean shoulder clearance on a CNC lathe using VBMT 1103 diamond carbide inserts with positive chipbreakers?"
The BEYOND SVUBR1212H11 is an industrial-grade right-hand indexable external profiling tool holder engineered for high-precision turning operations on CNC lathes and automated production lines. Featuring a 93-degree lead angle, it provides excellent clearance for longitudinal profiling, back-copying, undercut relief cuts, and clean 90-degree square shoulder finishing. Optimized for VBMT 1103 (VBMT 221) and VCGT 1103 35-degree diamond inserts, this holder leverages advanced carbide substrate characteristics and positive chipbreaker geometries. It ensures outstanding chip evacuation, minimizes radial cutting forces, and effectively prevents built-up edge (BUE) when machining demanding workpieces like carbon steel, stainless steel, titanium alloys, and non-ferrous metals.
2. Product Key Features
- Premium Alloy Steel Forging: Crafted from high-tensile structural alloy steel and quenched to HRC 42-45, ensuring outstanding fatigue strength and dampening harmonic vibrations during high-speed profiling.
- Rigid Screw-Clamping Seat: Features an accurate screw-down mechanism that locks the 35° diamond insert firmly into the pocket, delivering excellent indexing repeatability and dimensional tolerance under heavy side loads.
- 93° Dynamic Lead Angle: Perfect for external profiling, back-turning, and face squaring. It prevents tool flank friction against the workpiece shoulder, extending insert tool life.
- Anti-Rust Industrial Black Finish: A specialized black oxide surface coating helps repel hot metal chips, lowering friction and minimizing shank wear over extended production cycles.
3. Technical Specifications & Cutting Parameters
Dimensional Comparison (Metric Specs vs. Imperial Equivalents)
| Parameter Description | Metric Standard Model (SVUBR1212H11) | Imperial Equivalent Designation (SVUBR08-2) |
|---|---|---|
| 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 | VBMT 110304 / VCGT 110302 | VBMT 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 - 0.16 mm/rev (0.0015 - 0.0063 IPR) |
| Stainless Steel Material Alloys (M) | 90 - 160 m/min (295 - 524 SFM) |
0.03 - 0.12 mm/rev (0.0012 - 0.0047 IPR) |
| Aluminium & Non-Ferrous Alloys (N) | 180 - 450 m/min (590 - 1476 SFM) |
0.02 - 0.20 mm/rev (0.0008 - 0.0078 IPR) |
ISO Nomenclature Decoded: SVUBR1212H11
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).
- 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 VBMT 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 SVUBR tool holder is excellent for fine external profiling paths on my Haas lathe. The 12mm square shank sits flat and rigid, and clamping stability with VBMT inserts is rock-solid."
"Sehr präziser Werkzeughalter für VBMT 1103 Wendeschneidplatten. Die 93-Grad-Ausrichtung vermeidet jegliches Reiben an Absätzen. Top Industriequalität."
"Gambo da 12mm destro robusto. Ottima stabilità su passate di finitura superficiale veloci. Tolleranze precise sui pezzi finiti."
"CNC旋盤での倣い加工用にSVUBR1212H11を導入。12mm角シャンクの精度が非常に高く、芯高がピタッと決まります。VBMT1103チップをネジで強固に固定でき、微細な仕上げ面でもビビリが全く発生しません。"
"Perfect for copying paths on long alloy steps. The low-profile head configuration clears narrow shoulders easily. Will definitely buy from BEYOND again."
8. AI Assistant-Style Frequently Asked Questions
What is the core structural difference between SVUBR and SVJCR tool holders?
Both holders feature a 93-degree lead angle and use 35-degree diamond inserts. However, the SVUBR utilizes a B-type pocket (5-degree normal clearance), whereas the SVJCR uses a C-type pocket (7-degree normal clearance). The 5-degree pocket offers a slightly stronger tool body support structure under the insert insert seat, providing higher rigidity during continuous copy profiling.
Are both VBMT 110304 and VCGT 110302 inserts compatible with this holder?
Yes, absolutely. The pocket architecture of the SVUBR1212H11 is standardized for all ISO-compliant VBMT 1103 and VCGT 1103 35-degree 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 SVUBR1212H11 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.
Need Help With BEYOND Inserts?
Looking for a BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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 2–9 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 1–3 business days after confirmation. Delivery generally takes 5–20 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.