ZCC.CT RT16.01N-AG55PB YBG202 Carbide Insert – 55° Full Profile BSP Internal Thread
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RT16.01N-AG55PB YBG202 Threading Insert
Versatile 55° Internal Threading Solution for High-Strength Steel and Stainless Steel
Product Overview
"Seeking a reliable internal insert that can handle a wide range of 55° Whitworth and Pipe thread pitches in both alloy steel and stainless steel?"
The ZCC.CT RT16.01N-AG55PB YBG202 is a professional-grade internal threading insert featuring an AG55 Partial Profile. The "AG" designation signifies its expanded pitch range, allowing this single tool to machine multiple 55-degree thread sizes for British Standard Whitworth (BSW) and British Standard Pipe (BSPP/G) applications.
Equipped with the YBG202 Grade, this insert features a multi-layer nc-TiAlN PVD coating over a high-toughness carbide substrate. It is specifically engineered to provide stable tool life and excellent wear resistance across Steel (P) and Stainless Steel (M) workpieces, even in challenging boring operations.
Key Features
- YBG202 Universal PVD Grade: A perfect balance of toughness and hardness, designed to resist thermal cracking and chipping during internal machining.
- Wide Range AG55 Profile: Efficiently handles multiple 55° pitches (0.5mm to 3.0mm range) with one insert, significantly lowering tool costs.
- Internal Geometry Focus: Precision ground to reduce cutting forces and improve chip control within internal bores.
- Heat-Resistant Coating: The nc-TiAlN PVD coating provides a smooth finish and prevents material buildup on the cutting edge.
Technical Specifications
| Parameter | Specification |
|---|---|
| Thread Profile | 55° Whitworth / BSPP (Internal) |
| Pitch Range (AG55) | 0.5 - 3.0 mm / 48 - 8 TPI |
| Insert Size (I.C.) | 16 (9.525 mm) |
| Grade / Coating | YBG202 / nc-TiAlN PVD |
| Material Application | Steel (P) / Stainless (M) |
Fits all standard ISO internal threading boring bars. Recommended for SNR 0016 R16, SNR 0020 R16, or SNR 0025 S16.
Shop SNR Internal Threading Boring Bars →
Typical Applications
- Internal 55° Whitworth (BSW) and Pipe (BSPP/G) threads.
- Machining of internal valve bodies, couplings, and adapters.
- General workshop use on Carbon, Alloy, and Stainless Steels.
- Excellent choice for maintenance and repair of British standard equipment.
The YBG202 Advantage
The YBG202 grade is the quintessential "all-rounder" for CNC machining. It provides a dense, multi-layer coating that serves as a barrier against heat and chemical wear, ensuring consistent performance in both dry and wet machining of steel and stainless alloys.
Verified User Performance
"Very versatile insert. The YBG202 grade works great on all the 4140 steel and 304 stainless jobs we throw at it."
— James D., UK"The AG55 profile is a real money-saver. One insert for all our internal pipe thread work. Reliable and clean finish."
— Thomas L., Australia
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.