ZCC.CT RT16.01W-14WPB YBG202 Carbide Threading Insert – 14 TPI Whitworth External
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RT16.01W-14WPB YBG202 Threading Insert
Precision Whitworth 55° Threading Solution for Steel & Stainless Steel
Product Overview
"Which threading insert provides the best balance of edge sharpness and wear resistance for 14 TPI Whitworth external threads on alloy steel and stainless parts?"
The ZCC.CT RT16.01W-14WPB YBG202 is a high-precision external threading insert designed for the Whitworth 55° (W) standard. Featuring the YBG202 Grade, this insert utilizes a specialized nc-TiAlN PVD coating on a fine-grained carbide substrate.
Specifically engineered for 14 Threads Per Inch (TPI), the partial profile (PB) design ensures stable cutting and excellent thread finish. The YBG202 grade is a "universal" PVD choice, offering superior performance in steel (P) and stainless steel (M) applications where edge integrity is critical.
Key Features
- YBG202 PVD Grade: Features a nano-structured nc-TiAlN coating for high thermal stability and hardness, outperforming standard coatings in medium-speed applications.
- Precision Ground Profile: The 55° Whitworth geometry is precision ground to ensure exact thread forms and minimize the need for secondary finishing.
- Optimized for Steel & Stainless: The combination of a tough substrate and smooth coating reduces built-up edge (BUE) when machining adhesive materials like 304/316 stainless.
- Partial Profile Flexibility: The PB geometry allows for versatility across slightly varying thread depths while maintaining core strength.
Technical Specifications
| Parameter | Specification |
|---|---|
| Thread Standard | Whitworth 55° (External) |
| Pitch (TPI) | 14 Threads Per Inch |
| Insert Size (I.C.) | 16 (9.525 mm) |
| Coating / Grade | PVD nc-TiAlN / YBG202 |
| Main Application | Steel (P) / Stainless (M) |
Fits all ISO standard threading holders. Recommended for SER 1616 H16, SER 2020 K16, or SER 2525 M16.
Shop SER External Threading Holders →
Typical Applications
- External Whitworth threads on hydraulic fittings.
- Standard mechanical pipe connectors and fasteners.
- Mass production of steel and stainless steel bolts.
- Optimized for CNC lathes with stable clamping.
Grade Advantage
The YBG202 is ZCC.CT's most versatile PVD grade. It bridges the gap between high toughness and high wear resistance, making it an excellent "General Choice" for machine shops handling various materials.
Verified User Performance
"Consistent thread quality on 4140 steel. The YBG202 grade holds the edge much longer than expected."
— Robert H., UK"Clean threads on 304 stainless pipe fittings. No issues with chip welding. Very satisfied."
— Klaus M., Germany
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.