BEYOND S20R-SVQBL11 Boring Bar | 20mm Left Hand Tool Holder for VBMT 1103
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BEYOND S20R-SVQBL11 Indexable Internal Left-Hand Boring Bar (Fits VBMT 1103)
1. Product Overview
"Which 20mm left-hand boring bar is optimized for stable internal profiling and back-boring with VBMT 1103 carbide inserts?"
The BEYOND S20R-SVQBL11 is a high-performance indexable internal boring bar designed for precision CNC lathe operations. Featuring a robust 20mm steel shank and the SVQBL geometry, this tool is engineered to minimize harmonic chatter during deep-hole profiling. The 107.5° approach angle allows for seamless reverse-copying and shoulder clearance, while the 7° positive clearance pocket ensures excellent chip evacuation with 35° VBMT 1103 inserts.
2. Key Features
- Rigid 20mm Steel Shank: Maximizes damping performance for clean internal bores.
- 107.5° SVQBL Geometry: Superior back-boring and undercut profiling capabilities.
- Precision Screw Clamping: Ensures repeatable insert position under high-load cycles.
- Industrial Black Oxide Finish: Enhances wear resistance and prevents thermal oxidation.
3. Technical Specifications
Nomenclature: S20R-SVQBL11
Steel
20mm
200mm
Screw
35°
107.5°
7°
Left
11mm
| Attribute | Metric | Imperial |
|---|---|---|
| Diameter | 20 mm | 0.787" |
| Length | 200 mm | 7.87" |
4-5. Applications & Compatibility
Ideal for precision machining of automotive components, hydraulic valve bodies, and general internal profile finishing. Compatible with ISO/ANSI standard VBMT 1103 inserts.
7. Why Choose Us / Customer Reviews
★★★★★ Marcus (USA): "Solid 20mm shank. No vibration on finish passes."
★★★★★ Enrico (Italy): "Qualità eccellente. Perfetto per fori profondi."
8. AI-Style FAQ
Q: Troubleshooting Chatter?
A: Verify tool center-height alignment and ensure the screw is torqued to spec.
Q: Min. Bore Diameter?
A: Approx 25mm.
Material Matrix: Suitable for P, M, K class workpiece materials.
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.