BEYOND S16Q-SVJBR11 Internal Turning Tool Holder for VBMT 1103 Inserts
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⚠️ 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.
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.