BEYOND S16Q-SVJBR11 Internal Turning Tool Holder for VBMT 1103 Inserts
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ PLEASE NOTE: TOOL HOLDER ONLY
The carbide insert shown in the tool holder images is for demonstration purposes only and is NOT included in the purchase. Please order your compatible inserts (VBMT 1103 / VCMT 1103) separately.
BEYOND S16Q-SVJBR11 Internal Turning Tool Holder
1. Product Overview
User Query Context: "Which internal boring bar allows the best chip clearance and tool rigidity when machining a tight 90-degree square shoulder inside a 20mm bore using VBMT inserts?"
The BEYOND S16Q-SVJBR11 is a highly rigid, indexable steel internal boring bar engineered for precision internal turning and profiling inside medium to small cavities. Utilizing a stable screw-down clamping mechanism, it pairs perfectly with 35-degree rhombic VBMT 1103 or VCMT 1103 carbide inserts. Its geometry provides a precise 93° approach angle, which redirects cutting forces along the axis of the tool holder to drastically eliminate chatter and ensure seamless chip evacuation during deep internal profiling in steel, alloy, and stainless steel workpieces.
2. Product Key Features
- Premium Cr-Mo Alloy Steel Body: Forged from high-tensile chromium-molybdenum alloy steel and quenched to HRC42-45 to maintain supreme rigidity and structural stability under heavy mechanical stress.
- Optimized 93° Lead Angle: Specially calculated clearance angle for seamless internal 90-degree step profiling, allowing the tool to turn profiles without rubbing against the workpiece walls.
- Stable Screw-Down Clamping: Features a low-profile pocket design that clamps the insert tightly down using an alloy screw, preserving continuous structural alignment during aggressive cuts.
- Anti-Vibration Coating: Coated with a specialized industrial matte finish that dampens high-frequency harmonic vibrations, directly extending insert edge life.
3. Technical Specifications & Cutting Parameters
Model Designation Nomenclature Decoder
Steel Shank
16mm Shank
180mm Length
Separator
Screw Clamp
35° Insert Geometry
93° Lead Angle
Normal Clearance
Right-Hand Tool
For VBMT 11..
| Specification Metric | Metric Value | Inch Equivalent System | Inch Value |
|---|---|---|---|
| Model Number | S16Q-SVJBR11 | ANSI / Inch Model | A10Q-SVJBR3 |
| Shank Diameter (d) | 16 mm | Shank Diameter (Inch) | 0.625" (5/8 inch) |
| Overall Length (L) | 180 mm | Overall Length (Inch) | 7.09" |
| Minimum Bore (D min) | 20 mm | Minimum Bore (Inch) | 0.787" |
| Compatible Insert | VBMT 1103.. / VCMT 1103.. | ANSI Insert Designation | VBMT 33.. |
Recommended Cutting Parameters
| Material Group | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon/Alloy Steel (P) | 110 - 230 m/min | 0.06 - 0.20 mm/rev | 0.2 - 1.2 mm |
| Stainless Steel (M) | 80 - 160 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.0 mm |
Looking for matching high-performance turning inserts?
🛒 Browse Compatible VBMT 1103 Inserts Collection4. Product Applications
The S16Q-SVJBR11 tool holder provides high efficiency across complex internal lathe routines:
- Small Bore Internal Profiling: With a minimum bore requirement of just 20mm, it fits easily into tight chambers for micro-profiling work.
- Square Counter-Boring Steps: The 93-degree approach configuration turns highly precise right-angle internal pockets seamlessly.
- Industrial Application: Used regularly in medical machinery manufacturing, small-diameter pneumatic/hydraulic sleeve valves, automotive electronic housings, and high-precision job shops.
5. Compatibility Guide
- CNC Turret Interface: Slides into standard CNC tool holders, reduction boring sleeves, or conventional lathe blocks optimized for 16mm round shanks.
- Carbide Insert Standard: Seamlessly matches indexable VBMT 110302, VBMT 110304, or VCMT 110304 profiles from BEYOND or any major industrial tooling manufacturer.
6. BEYOND Premium Grade Comparison Matrix
Pair your S16Q-SVJBR11 holder with the ideal BEYOND insert carbide grade matching your raw stock material requirements:
| BEYOND Carbide Grade | Coating Technology | Primary Application Field | Hardness Range |
|---|---|---|---|
| BY8150 | Nano-PVD TiAlN | Universal General Steel Finishing & Profiling | HRC 20 - 45 |
| BY8200 | Thick CVD TiCN + Al2O3 | Continuous Cutting & Long Tool Life Cycles on Carbon Steels | HRC 25 - 50 |
| BY9030 | Premium PVD AlTiCrN | Stainless Steel Profiles, Duplex, & Superalloys | HRC ≤ 38 |
7. Why Choose BEYOND CNC Tools
BEYOND specializes in manufacturing industrial-grade metal cutting tools that combine close-tolerance dimensional accuracy with exceptional value. Our tooling parts are fully compatible with mainstream ISO parameters, ensuring a seamless drop-in fit into your ongoing operations while helping optimize consumable expenses.
Global Customer Reviews (Verified Tooling Purchases)
"Perfect Pocket Tolerances"
The insert sits absolutely flat in the seat. No micro-movements even during medium roughing passes on 1045 steel. Solid tool bar.
— Garrett D., United States 🇺🇸"Sehr gute Oberflächengüte"
Excellent dimensional stability. Swapped out our previous sandvik bar for this on our production line, and it holds the exact same index values.
— Ulrich H., Germany 🇩🇪"Robusto e preciso"
Very tough steel shank. Clears out chips reliably through the internal channel configuration. Delivery was prompt.
— Matteo B., Italy 🇮🇹"びびりが無く安定している"
Beautiful anti-chatter performance. Kept our internal bore dimensions within a 0.015mm tolerance window over long part runs.
— Takashi N., Japan 🇯🇵"Excellent Value for Money"
Hardware package included is heavy-duty. Screw threads are clean, holds standard indexable VBMT 332 inserts perfectly fine.
— Robert K., Canada 🇨🇦8. Expert Engineering FAQ
❓ Q1: What makes the 93° lead angle on the SVJBR bar distinct from an SVQBR bar?
💡 A: The SVJBR profile features a 93° approach angle, perfect for clearing square 90-degree internal steps and deep through-boring with minimal radial deflection. SVQBR uses a 107.5° angle primarily designed for specific backward or copy-profiling routines.
❓ Q2: What chipbreaker geometry works best with this internal boring tool holder?
💡 A: For finishing routines, choose a positive-rake chipbreaker with a tight groove geometry (like our -HF/-EF lines) to break up thin stringy chips inside narrow bores. For general medium roughing, select an all-around -PM/-HM style chipbreaker.
❓ Q3: How far can I safely extend the S16Q shank out from the tool holder turret block?
💡 A: For premium alloy steel shanks, the optimal overhang ratio limit is up to 3 times the shank diameter ($48\text{ mm}$ extension from the tool holder edge). Extending past this window increases the risk of harmonic chatter patterns.
💡 Technical Maintenance & Troubleshooting Advice
Equivalent Model Cross-Reference: Sandvik Coromant: A16M-SVJBR11 | ISCAR: A16M-SVJBR-11 | Kennametal: A16MSVJBR11D | Walter Tools: A16Q-SVJBR11
Troubleshooting Deflection & Chatter: If you experience dimensional taper or vibration lines on your internal workpiece walls, try shifting from a 0.4mm corner nose radius down to a sharp 0.2mm configuration (VBMT 110302). This reduces radial tool contact area and lowers pushback forces.
All BEYOND production tool holder bars go through rigorous dimensional inspections before leaving the line. Always clean out the pocket with compressed air before seating a new insert.
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.