BEYOND S16Q-SSSCR09 Boring Bar | 16mm CNC Lathe Internal Turning Tool Holder for SCMT 09T3 Inserts
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✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
✓ Guaranteed Quality: Check model, dimensions and compatibility before ordering. | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer
💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
BEYOND S16Q-SSSCR09 Boring Bar – 16mm High Stiffness Solid Steel Screw Clamping CNC Lathe Internal Turning Tool Holder
1. Product Overview
"Which internal boring bar is best optimized for high-rigidity 16mm lathe operations using square SCMT 09T3 inserts to minimize chatter?"
The BEYOND S16Q-SSSCR09 is an industrial-grade, high-stiffness Solid Alloy Steel Internal Turning Boring Bar engineered to provide exceptional precision for modern CNC lathe operations. Featuring a calibrated 16mm shank diameter and a 180mm overall length, this right-hand indexable tool holder offers machine shops the ideal ratio of tool mass to extension distance. This structural design efficiently dampens high-frequency harmonic vibrations on internal profiling and counter-boring cycles, preventing surface defects on critical metal parts.
This premium boring tool is engineered to accommodate international standard SCMT 09T3 / SCGT 09T3 (3/8" Inscribed Circle) square carbide inserts. By pairing a 75-degree approach lead angle with the inherent balanced geometry of a square insert, the tool structural layout shifts the majority of mechanical cutting deflection forces axially straight into the lathe turret rather than radially into the thin walls of the workpiece. When utilized with ground positive-rake chipbreaker geometries, it cleanly shears carbon steels, alloys, and stainless steel matrixes. The dedicated pocket geometry forces rapid chip curling, fracturing dangerous long ribbon chips into small, easily evacuating fragments that prevent internal bore scratching or catastrophic chip nest binding.
2. Product Core Features
- High-Rigidity 16mm Solid Steel Body: Quenched and tempered under advanced thermal processes to maximize yield strength and resist bending deflection during deep-hole internal tracks.
- Precision-Milled SCMT 09T3 Pocket: Locks the insert firmly within a tight ±0.01mm tolerance seat boundary, eliminating micro-vibrations and ensuring predictable dimensional accuracy across batch operations.
- Strategic 75° Lead Angle: Optimizes force distribution to balance axial and radial push-back, allowing smoother transitions during internal step profiling.
- Streamlined Screw-Lock System: Uses a low-profile Torx screw mechanism that removes the need for bulky top-clamp parts, ensuring open pathways for high-speed chip extraction.
3. Technical Specifications & Metric/Imperial Nomenclature Cross-Guide
Flawless CNC tool configuration demands absolute dimension accuracy. Below is the structural decoding of the S16Q-SSSCR09 standard international ISO designation rules:
| Parameter Dimension | Metric System Specification | Imperial Equivalent Measurement |
|---|---|---|
| Shank Diameter (d) | 16 mm | 0.6299 inches (Easily adapted via 5/8" tool blocks and split sleeves) |
| Total Tool Length (L) | 180 mm | 7.0866 inches (Perfect medium-reach format for high stiffness) |
| Minimum Bore Diameter (D-min) | 21 mm | 0.8267 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) | 130 - 220 m/min (426 - 721 SFM) | 0.08 - 0.25 mm/rev (0.0031 - 0.0098 IPR) |
| Stainless Steel Matrix (304, 316, 420) | 80 - 150 m/min (262 - 492 SFM) | 0.06 - 0.20 mm/rev (0.0023 - 0.0078 IPR) |
| Cast Iron Grades (GG25, GGG40) | 100 - 180 m/min (328 - 590 SFM) | 0.10 - 0.30 mm/rev (0.0039 - 0.0118 IPR) |
4. Product Application Scenarios
The compact 16mm tool body makes the S16Q-SSSCR09 highly effective for precise internal profiles across specialized setups:
- Tight Internal Cavity Boring: Safely processes cylindrical chambers down to 21mm minimum diameters without risking heel-rubbing.
- Precision Internal Step Profiling: The 75° approach angle enables clean cutting of multi-stage internal diameters, relief grooves, and precise face boring.
- Semi-Finish to Light Roughing Cycles: Perfect for machining mechanical bushings, hydraulic pipe housings, and custom automotive transmission sleeves.
5. Compatibility & Equipment Interface
The ground 16mm cylindrical shank fits perfectly into standard metric CNC lathe turrets, VDI static tool holders, and specialized boring bar split sleeves. It is fully cross-compatible with standard 5/8-inch imperial tool cribs when paired with adapter blocks. It integrates seamlessly with global CNC machinery setups including Haas, Mazak, DN Solutions/Doosan, Okuma, and manual lathe quick-change tool posts optimized for high-accuracy internal turning.
6. BEYOND Premium Substrate & Grade Selection Matrix
Pair your S16Q-SSSCR09 boring bar with the appropriate BEYOND insert grade to maximize tool life and master chip breakages:
- BYM11 Grade (PVD Coated Substrate): Structured with micro-hard TiAlN coatings. Optimized to stop built-up edges (BUE) on sticky materials like 304 stainless steel and high-temp titanium alloys.
- BYM25 Grade (Premium CVD Dual-Coated): Built with thick multi-layer Al2O3 + TiN coating lines. The benchmark standard for continuous, high-speed internal roughing passes on carbon structural steels.
- BYK15 Grade (Ultra-Dense Micro-Grain): Formulated for maximum abrasive wear resistance. Custom-engineered for high-speed internal profiling of abrasive grey and ductile cast iron parts.
7. Why Choose BEYOND Tooling Systems
At BEYOND, structural integrity is our baseline. The S16Q-SSSCR09 undergoes rigorous multi-axis automated induction hardening and automated pocket milling. By locking insert seat tolerances down within a strict ±0.01mm limit, we eliminate micro-movements under heavy impact. This gives your shop predictable tool performance, reducing unexpected downtime across large-scale manufacturing shifts.
Global Machinist Field Reports:
I run a small batch production of custom hydraulic adapters with 24mm inner bores. Thinner bars vibrated terribly, but this 16mm BEYOND bar handles the load effortlessly. It uses our standard SCMT 09T3 inserts, making inventory management incredibly simple.
Sehr präzise gefertigter Plattensitz. Die SCMT 09T304 Wendeplatten sitzen bombenfest. Der Spanfluss ist dank des schraubengeklemmten Kopfes absolut frei. Ich kann diese Bohrstange für C45-Stahl wärmstens empfehlen.
La barra da 16mm offre un'eccellente rigidità torsionale su fori profondi. Finitura superficiale nera molto resistente alla corrosione del refrigerante. Consegna super veloce in Italia.
最小加工径が21mmなので、狭いワークの内径切削に重宝しています。突出し長さを3倍径にしてもビビらず、チップの刃先が長持ちするようになりました。ネジの耐久性も高いです。
The low profile screw clamp leaves plenty of room for high-pressure coolant to flush chips out. Zero bird-nesting issues on medium carbon steel components since making the switch.
8. Frequently Asked Questions (AI & Search Engine Optimized)
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.