Kyocera 16ERG55-TF PR1115 Threading Insert | 55° Partial Profile
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16ERG55-TF PR1115
Kyocera Precision Tools | Advanced PVD Threading Performance
The Kyocera 16ERG55-TF PR1115 is a high-precision laydown threading insert designed for external 55° thread profiles. Featuring a partial profile design, this versatile tool covers a wide range of TPI (Threads Per Inch) requirements. The integrated TF Chipbreaker is specifically engineered to handle the difficult chip evacuation typical of stainless steel threading and low-carbon steels, ensuring a clean finish and preventing "bird-nesting" on your CNC lathe.
Model Specification Decoded
Size (3/8" IC)
Ext. Right Hand
Partial Profile
55° Angle
Chipbreaker
PVD Grade
Technical Dimensions
| Thread Standard | Whitworth (W), BSW, BSPT, G (PF) |
|---|---|
| TPI Range (Inch) | 28 - 14 TPI |
| Pitch Range (Metric) | 0.5 - 1.75 mm |
| Inscribed Circle ($IC$) | 9.525 mm (3/8") |
PR1115 MEGACOAT Technology
The PR1115 grade features Kyocera's proprietary PVD coating. It is a high-hardness, heat-resistant grade designed specifically for stainless steel machining. It provides superior resistance to built-up edge and flank wear, making it the primary choice for precision components in the medical and aerospace industries.
TF Chipbreaker Geometry
The TF molded chipbreaker is a game-changer for threading. By controlling the chip flow during each pass, it reduces cutting resistance and prevents surface damage. This geometry allows for more aggressive feed rates and fewer passes, directly increasing throughput on your production line.
Recommended Cutting Parameters
Optimized for Threading PR1115 Grade
| Workpiece Material | Cutting Speed ($v_c$) | No. of Passes |
|---|---|---|
| Stainless Steel (SUS304/316) | 60 - 120 m/min | 8 - 14 |
| Carbon/Alloy Steel | 80 - 150 m/min | 6 - 12 |
COMPATIBLE THREADING TOOL HOLDERS
This insert fits all standard 16ER series laydown tool holders, including the Kyocera KTN / KTNS series.
View External Threading Holders →
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.