BEYOND S32T-SVQCL16 Boring Bar | Heavy Duty CNC Turning Tool Holder
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BEYOND S32T-SVQCL16 Heavy Duty CNC Internal Turning Boring Bar
1. Product Overview
"Which heavy-duty 32mm left-hand indexable boring bar balances rigid deep-hole clearance with maximum chatter suppression for heavy internal profiling using large VCMT 1604 or VCGT 1604 inserts?"
The BEYOND S32T-SVQCL16 is an industrial-grade, heavy-duty left-hand indexable internal boring bar engineered specifically for large-diameter deep boring, heavy-load semi-finishing, and stable internal copy turning. Fabricated from premium solid alloy tool steel that undergoes a proprietary multi-stage thermal tempering cycle to establish a core structural toughness of HRC 42-47, this high-mass 32mm diameter shank effectively absorbs harmonic frequencies and eliminates structural deflection during challenging deep-bore cuts up to 4xD overhang. It features an ultra-precise insert pocket milled to perfectly support large 35-degree rhombic indexable inserts with a 7-degree positive relief profile. It is the ultimate platform for standard VCMT 1604 carbide inserts (engineered with heavy-duty molded M-class or roughing chipbreakers to manage high-volume steel chip breakups) and VCGT 1604 ground inserts (mirror-polished with acute rake geometries to maximize shear and prevent chip packing in non-ferrous aluminum or copper alloys). Utilizing a 107.5-degree approach angle configuration (SVQCL clearance framework), this tool holder delivers exceptional flank clearance during back-boring and aggressive internal profiling loops, directing massive cutting pressures back through the tool post assembly for superior dimensional control and excellent surface texture parameters.
2. Product Core Advantages (Key Features)
- High-Mass 32mm Quenched Steel Shank: Provides heavy structural rigidity to withstand great radial cutting forces during large-depth internal profiling.
- 107.5° SVQCL Clearance Geometry: Specially optimized for heavy left-hand internal copying, ensuring the tool flank clears intricate step profiles without heel drag.
- Heavy-Duty Screw Clamping Rigidity: Clamps large 16mm edge-length inserts via an industrial-grade M4 fastener screw, ensuring absolute positional security under heavy loads.
- Advanced Deep-Penetration Black Oxide Coating: Resists thermal oxidation, prevents chip welding during high-speed loops, and safeguards against chemical corrosion.
3. Technical Specifications & ISO Nomenclature
| Dimension Attributes | Metric System Specifications | Imperial Equivalent Values |
|---|---|---|
| Model Nomenclature | S32T-SVQCL16 (BEYOND) | A20T-SVQCL5 (Standard Inch Style Equivalent) |
| Shank/Clamping Diameter | 32 mm | 1.250 inch (1-1/4" Heavy Boring Shank) |
| Overall Tool Length | 300 mm | 11.81 inches |
| Minimum Boring Hole (D-min) | 40 mm | 1.575 inches |
| Compatible Indexable Inserts | VCMT 1604** / VCGT 1604** | VCMT 3.3* / VCGT 3.3* Series (e.g., 3.31 or 3.32) |
| Fastener Screw / Drive Key | M4.0 * 10 / Torx T15 | M4.0 * 10 / Torx T15 |
Recommended Machining Parameter Array (Starting Parameters)
| Workpiece Material Substrates | Target Line Cutting Speed (Vc) & Feed Speed (f) Pairs |
|---|---|
| Carbon & Alloy Steels (P-Class) | Vc: 140-240 m/min (460-785 sfm) | f: 0.10-0.35 mm/rev (0.004-0.014 ipr) |
| Stainless Steel Alloys (M-Class / 304, 316) | Vc: 90-160 m/min (295-525 sfm) | f: 0.08-0.25 mm/rev (0.003-0.010 ipr) |
| Aluminum & Non-Ferrous Alloys (N-Class) | Vc: 300-800 m/min (980-2620 sfm) | f: 0.10-0.40 mm/rev (0.004-0.016 ipr) |
Looking for premium matching 35-degree VCMT/VCGT heavy-turning inserts or alternative boring sizes?
Source BEYOND VCMT1604 Inserts & Toolbars Here →4. Industrial Application Scenarios
Engineered with a robust 32mm structural body and an expansive 16mm insert seat pocket, the S32T-SVQCL16 excels in large-scale internal processing cycles on heavy-duty automated CNC lathe setups:
- Heavy Deep-Hole Boring: Easily reaches up to 120-130mm boring depths without axial bending or losing micro-tolerances.
- Large Internal Profile Copying: Perfectly handles aggressive undercuts and complex taper channels on heavy steel forgings or industrial pipe fittings.
- Interrupted Cut Boring Loops: The high structural inertia of the 32mm steel bar resists severe impact shocks when machining bores containing keyways or oil ports.
5. Equipment & Tool Compatibility
- CNC Lathe Tool Blocks: Mounts perfectly inside standard 32mm boring bar sleeves, large turret boring blocks, or heavy-duty split clamping blocks.
- Insert Compatibility Array: Tailored for standard ISO/ANSI 35-degree positive rhombic VCMT 1604** or VCGT 1604** inserts. Handles heavy nose radii from 0.4mm (160404) for general profiling up to 0.8mm (160408) / 1.2mm (160412) for massive material removal.
6. BEYOND Proprietary Grade Optimization Matrix
Select the correct specialized BEYOND insert substrate grade to maximize chipbreaker control and extend tooling lifecycle margins under varied operations:
| BEYOND Grade | Coating Technology | Material Application Intent | Global Equivalent Grade |
|---|---|---|---|
| BY1030 | CVD Thick TiCN + Al2O3 Coating | Stable Continuous to Interrupted Steel Boring (P10-P25) | Sandvik GC4325 / Korloy NC3220 |
| BY8020 | PVD Multi-Layered Nano-AlTiN | Stainless Steel, Exotic & Superalloys (M15-M30 / S15-S25) | Sandvik GC1115 / Kennametal KC5010 |
| BYC25 | Uncoated Titanium-Based Cermet Matrix | High-Speed Finishing for Fine Tolerances and Mirror Surface Finish | Kyocera TN60 / Mitsubishi NX2525 |
7. Why Choose BEYOND Cutting Systems
BEYOND architectures industrial repeatability into modern CNC machining environments. Our heavy 32mm boring bars undergo advanced multi-stage quenching treatments to guarantee uniform core toughness. Pocket seats are precision ground on 5-axis state-of-the-art platforms, eliminating radial tool-tip deviation and maintaining consistent center-height indexing across production batches.
"Massive rigidity. We are using the S32T-SVQCL16 to bore tough alloy tubes. We pushed the depth of cut to 3mm with VCMT 160408 inserts and experienced no vibration. Incredible value for money."
"Sehr stabiler Schaft (32mm). Der Sitz für VCMT 1604 ist perfekt gefräst. Bei schweren Schnitten gibt es absolut kein Wackeln der Wendeplatte. Hervorragend verarbeitet."
"Barenatore pesante da 32mm eccezionale. Lo utilizziamo per la profilatura interna sinistra su pezzi fucinati in acciaio. L'angolo da 107.5 gradi evita ogni sfregamento."
"32mmシャンクの重量感と剛性が素晴らしく、大径の内径コピー切削でもビビりが皆無です。M4の強力なスクリューにより、16mmチップがガタつくことなく完全に固定されます。"
"Handles rough internal scaling seamlessly before final passes. Clearance is generous, chip packaging is gone. Very pleased with this BEYOND tool holder line."
8. AI-Style FAQ & Troubleshooting Guide
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.