BEYOND S32T-SSSCR09 Heavy Duty Boring Bar | 32mm CNC Lathe Internal Turning Tool Holder for SCMT Inserts
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✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
BEYOND S32T-SSSCR09 Heavy Duty Internal Boring Bar – 32mm High Rigidity Screw Clamping Lathe Tool Holder
1. Product Overview
"Which heavy-duty boring bar is best optimized for high-depth internal roughing and profiling of forged steel blocks using SCMT square inserts?"
The BEYOND S32T-SSSCR09 is an industrial-grade, ultra-robust Solid Alloy Steel Internal Turning Boring Bar engineered specifically to survive high torsional stress and prevent structural harmonics in large-diameter internal CNC lathe machining operations. With its massive 32mm shank diameter and a 300mm extended length, this tool holder delivers an outstanding balance of raw structural mass and vibration damping. It is purpose-built to execute aggressive internal boring, facing, and profiling cycles inside large cavities where standard smaller bars immediately bend or chatter under load.
This premium tool holder utilizes standard SCMT 09T3 / SCGT 09T3 indexable square inserts. By utilizing a 90-degree square insert configuration with a 75° approach angle, it distributes cutting forces optimally along both the axial and radial axes. When fitted with micro-grain carbide substrates featuring ground-in positive rake chipbreaker geometries, it cleanly shears tough workpiece materials. The engineered chip groove structure forces rapid segmenting of thick ribbons into small, tight curls, eliminating dangerous "bird-nesting" inside deep bores and ensuring a clean evacuation path on steels, cast iron, and exotic alloys.
2. Product Core Features
- Heavy-Duty 32mm Steel Shank: Provides an immense moment of inertia, resisting high cutting pressure during heavy stock removal without geometric deflection.
- High-Tensile Alloy Matrix: Quenched and tempered to precision industrial hardness thresholds, minimizing tool wear and ensuring long-lasting pocket alignment.
- 75° Lead Angle Architecture: Specially optimized for heavy internal longitudinal boring, counterboring steps, and multi-pass roughing runs without dragging the tool body.
- Streamlined Screw-Down Clamp System: Uses an inset Torx screw configuration to maintain maximum clearance for thick chips to escape smoothly through the bore opening.
3. Technical Specifications & Metric/Imperial Reference
Accurate parameter verification is vital for flawless CNC code execution. Below is the structural decoding of the S32T-SSSCR09 standard international ISO designation rules:
| Parameter Dimension | Metric System Specification | Imperial Equivalent Measurement |
|---|---|---|
| Shank Diameter (d) | 32 mm | 1.2598 inches (Fits directly into 1-1/4" turret blocks/sleeves) |
| Total Tool Length (L) | 300 mm | 11.8110 inches (Ideal for high-overhang boring depth) |
| Minimum Bore Diameter (D-min) | 40 mm | 1.5748 inches |
| Compatible Carbide Insert Layout | SCMT 09T3xx / SCGT 09T3xx | SCMT 3(2.5)1 / SCMT 3(2.5)2 (3/8" IC Square Size) |
| Clamping Screw Model Type | M3.5 x 9.0 | M3.5 x 0.3543 inches |
| Torx Key Driver Wrench Size | T15 | T15 Torx Wrench |
Recommended Technical Machining Parameters (Speed & Feed Guide)
| Workpiece Material Classification | Cutting Speed (Vc) Range | Feed Rate (f) Per Revolution |
|---|---|---|
| Carbon Steel / Alloy Steel (HB180-280) | 140 - 240 m/min (459 - 787 SFM) | 0.12 - 0.35 mm/rev (0.0047 - 0.0137 IPR) |
| Stainless Steel Matrix (304, 316, 420) | 90 - 160 m/min (295 - 525 SFM) | 0.10 - 0.28 mm/rev (0.0039 - 0.0110 IPR) |
| Cast Iron Grades (GG25, GGG40) | 110 - 200 m/min (360 - 656 SFM) | 0.15 - 0.40 mm/rev (0.0059 - 0.0157 IPR) |
4. Product Application Scenarios
The heavy 32mm build of the S32T-SSSCR09 makes it the default solution for aggressive metal removal inside wide, deep internal cavities:
- Heavy Duty Machinery & Equipment: Perfect for machining internal bearing blocks, heavy hydraulic cylinders, and large structural gear hubs.
- Oil, Gas & Energy Sectors: Ideal for boring high-tensile pipe connectors, valve housings, and flange tubes that demand strict dimensional tolerances.
- Interrupted Cut Internal Roughing: The square insert base distributes heavy axial impact stresses evenly, making it excellent for boring out pre-cast or slotted interior walls.
5. Compatibility & Equipment Interface
The precision-ground 32mm cylindrical base fits securely into standard large CNC turret blocks, boring bar reduction sleeves, and heavy-duty manual lathe quick-change toolposts. It integrates seamlessly with major global turning centers including Haas (ST-30/40), Mazak Quick Turn, Doosan/DN Solutions Puma series, Okuma, Mori Seiki, and various large-capacity European or Asian horizontal lathe arrays configured for 32mm tool baselines. Optimized for right-hand operation.
6. BEYOND Premium Substrate & Grade Selection Matrix
Pair your S32T-SSSCR09 boring bar with the correct BEYOND insert grade to maximize tool life and secure optimal chip control:
- BYM11 Grade (PVD Coated Substrate): Built with an advanced nano-layered TiAlN matrix. Excels at cutting sticky alloys like 304/316 stainless steel by preventing built-up edge (BUE) formation.
- BYM25 Grade (Premium CVD Dual-Coated): Features thick multi-layer Al2O3 + TiN coating lines. Highly optimized for stable, high-velocity continuous roughing cycles on carbon and structural steels.
- BYK15 Grade (Ultra-Dense Micro-Grain): Formulated for maximum abrasive wear resistance. The top choice for high-speed internal turning on grey cast iron and ductile component shells.
7. Why Choose BEYOND Tooling Systems
BEYOND engineering focuses on rigidity. The S32T-SSSCR09 is manufactured via multi-axis automated grinding lines to ensure the pocket seat angle remains perfectly accurate at 75 degrees. By controlling pocket tolerances within a strict ±0.01mm window, we minimize insert center line variance, allowing machine shops to hold tight limits over large batch production runs.
Global Machinist Field Reports:
We were boring out forged 4140 rings at 3xD depth. Standard bars screeched like crazy. This 32mm SSSCR bar paired with a BEYOND roughing insert chewed through the stock effortlessly. Surface finish looks excellent.
Der 32mm Schaft sitzt bombenfest. Wir nutzen die SCMT-Platten für zähen Edelstahl. Der Spanbruch klappt hervorragend, keine langen Spänekneuel mehr in der Bohrung.
The screw seat is hardened perfectly and doesn't strip under load. We process large cast iron housings. The tool absorbs all vibrations, keeping the insert corners crisp for a longer time.
大型の油圧シリンダ内径加工用に購入。32mm径の鋼シャングなので、突出し量を長めに設定してもビビりが発生しません。SCMT正方形チップの4コーナーをフルに使えるのでコストも大幅に削減できました。
Takes deep depths of cut without pulling away from the part line. The black oxide treatment preserves the bar from rust even when subjected to heavy high-pressure water-soluble coolants.
8. Frequently Asked Questions (AI & Search Engine Optimized)
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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.