BEYOND S32T-SVQCR16 Boring Bar | 32mm CNC Internal Turning Holder
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BEYOND S32T-SVQCR16 Heavy-Duty Indexable CNC Internal Boring Bar
1. Product Overview
"Which heavy-duty 32mm right-hand boring bar provides absolute anti-vibration stability at 300mm length when machining deep internal profiles with VCMT 1604 or VCGT 1604 inserts?"
The BEYOND S32T-SVQCR16 is an ultra-rigid, industrial-grade right-hand indexable internal boring bar specifically engineered for deep-hole, high-torque cutting cycles in medium to large diameter bore chambers. Forged from premium-grade solid alloy tool steel and subjected to a rigorous multi-stage vacuum tempering and hardening process, this 32mm diameter heavy shank achieves a uniform core hardness of HRC 42-47. This massive mass matrix maximizes resistance to torsional strain and suppresses low-frequency harmonic chatter over extended overhangs up to 3xD-4xD. The head configuration is precision-machined to house 35-degree positive rhombic indexable inserts featuring a 7-degree relief profile. It acts as an immovable seating platform for standard VCMT 1604 carbide inserts (integrated with aggressive semi-roughing chipbreakers for flawless chip fracture in carbon/alloy steels) and VCGT 1604 ground inserts (featuring mirror-polished rake faces that slice cleanly through gummy non-ferrous aluminum without built-up edge). Operating with a 107.5-degree approach angle (SVQCR geometry), this tool holder delivers exceptional clearance during forward profile tracking and blind-hole corner squaring, evacuating high-volume chip nests forward out of a minimum 40mm bore diameter.
2. Product Core Advantages (Key Features)
- 32mm Rigid Shank with 300mm Extended Reach: Designed for large CNC lathes to eliminate vibration during deep-chamber internal roughing passes.
- 107.5° SVQCR Flank Relief Window: Allows the right-hand tool to execute profile tracking and 90-degree shoulder facing inside deep cavities without heel drag.
- High-Tensile Screw-Lock Fastener: Employs a robust M4.0 x 9.0 screw to lock the 16mm insert tightly into a 5-axis ground pocket, preventing tool-tip deflection under large depth-of-cut (Ap) forces.
- Industrial Sub-Surface Black Nitride Finish: Repels micro-chip welding, minimizes frictional wear along the chip face, and prevents corrosion in high-pressure coolant setups.
3. Technical Specifications & ISO Nomenclature
| Dimension Attributes | Metric System Specifications | Imperial Equivalent Values |
|---|---|---|
| Model Nomenclature | S32T-SVQCR16 (BEYOND) | A20T-SVQCR5 (Standard Inch Style Equivalent) |
| Shank/Clamping Diameter | 32 mm | 1.250 inch (1-1/4" Rigidity 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 * 9.0 / Torx T15 | M4.0 * 9.0 / 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: 140-250 m/min (460-820 sfm) | f: 0.10-0.30 mm/rev (0.004-0.012 ipr) |
| Stainless Steel Alloys (M-Class / 304, 316) | Vc: 90-160 m/min (295-520 sfm) | f: 0.08-0.22 mm/rev (0.003-0.0087 ipr) |
| Aluminum & Non-Ferrous Alloys (N-Class) | Vc: 300-800 m/min (980-2620 sfm) | f: 0.10-0.35 mm/rev (0.004-0.014 ipr) |
Looking for premium matching 35-degree VCMT/VCGT 1604 inserts or alternative boring sizes?
Source BEYOND VCMT1604 Inserts & Toolbars Here →4. Industrial Application Scenarios
Engineered with a solid 32mm structural alloy body combined with the heavy clamping matrix of a 16mm insert pocket, the S32T-SVQCR16 thrives in heavy-machining environments:
- Deep Hole Heavy Profiling: Uniquely suited for internal copying inside industrial gear rings, large hydraulic cylinders, and heavy pipe flanges.
- Blind-Hole Square-Facing: The 107.5-degree clearance window allows the tool to sweep internal blind-hole faces cleanly, channeling chip curls forward out of the bore seamlessly.
- High Removal Semi-Roughing: Allows operators to maximize feed depth and metal removal rates (MRR), shortening cycle times on large structural forgings.
5. Equipment & Tool Compatibility
- CNC Turret Integration: Clamps directly into 32mm boring bar holders, large tooling blocks, or heavy-duty lathe turret sleeves.
- Insert Range Adaptability: Fully compatible with ISO/ANSI standard 35-degree positive rhombic VCMT 1604** or VCGT 1604** style inserts. Effortlessly runs heavier nose radii from 0.4mm (160404) up to 1.2mm (160412) depending on structural roughing requirements.
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 32mm right-hand 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.
"This 32mm steel bar is a beast. We run it at almost 120mm overhang for deep internal profiling on 4140 steel. Zero chatter, and the pocket holds the big VCMT 1604 insert dead steady. Outstanding value."
"Sehr massiver 32mm Schaft. Perfekt für große CNC-Drehmaschinen. Der 107.5°-Winkel ermöglicht präzises Freindrehen ohne Gehäusekontakt. Die Standzeit der Platten hat sich durch die Steifigkeit erhöht."
"Barreno eccezionale per lavori pesanti. Lo stelo da 32mm è incredibilmente rigido. Ottima evacuazione del truciolo in avanti su fori ciechi profondi."
"深ホールの倣い加工用にS32Tを購入。32mmシャンクの剛性は圧倒的で、VCMT1604チップの性能をフルに引き出せます。ビビリが完全に止まり、表面粗さが劇的に改善しました。"
"Solid performance on large alloy sleeve boring. Pushes chips out beautifully. Make sure your bore is over 40mm before running."
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.