BEYOND D16Q-STFNR16 Spring Steel Internal Boring Bar – 16mm Shank Height CNC Lathe Tool Holder for TNMG160404 Inserts (Right-Hand, Insert Not Included) / 5/8in Shank
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BEYOND D16Q-STFNR16 Spring Steel Internal Boring Bar
Precision Right-Hand Internal Turning Tool Holder for TNMG160404 Inserts | Industrial Grade CNC System
* Note: Indexable inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel internal boring bar offers high rigidity for internal turning operations using TNMG160404 inserts?"
The BEYOND D16Q-STFNR16 is a professional-grade internal boring bar designed for demanding CNC lathe environments. Constructed from high-tensile spring steel, this holder helps suppress vibration and deflection during internal turning. Its right-hand lever-lock design provides secure seating for TNMG160404 inserts across steel, stainless steel, and alloy workpieces.
Tool Nomenclature Breakdown: D16Q-STFNR16
2. Product Core Advantages
- High-Rigidity Spring Steel: Helps reduce tool chatter and deflection during internal boring.
- Secure Clamping: Provides stable insert seating for consistent internal turning.
- Optimized Geometry: Precision-engineered pocket for TNMG160404 inserts supports stable chip evacuation.
3. Technical Specifications
| Metric Specification | Recommended Cutting Parameters |
|---|---|
| Shank Height: 16mm (~0.630" / 5/8") | Vc: 150-250 m/min |
| Insert Compatibility: TNMG160404 | Feed: 0.15-0.35 mm/rev |
Explore Internal Boring Solutions
[View Boring Tool Holder Collection] →4-6. Contextual Details
Applications: Precision ID boring, internal facing, and profiling in automotive, aerospace, and general machinery manufacturing.
Compatibility: CNC lathes and internal boring setups using 16mm-height tool holders.
Material Matrix: Optimized for steel (P), stainless steel (M), and cast iron (K) applications.
7. Why Choose BEYOND Precision Tooling
Designed for controlled internal turning.
High-tensile spring steel holder.
Expert CNC tooling assistance.
8. Product FAQ
Q: Are TNMG inserts included?
A: No, the holder is supplied without inserts.
Q: What is the main benefit of spring steel?
A: It helps suppress harmonic vibration during internal machining.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.