BEYOND 16ER ISO Metric Threading Inserts BYM11 Yellow TiN Steel Turning
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BEYOND 16ER External ISO Metric & Partial Profile Threading Inserts (BYM11 Yellow Grade)
Precision Laydown Carbide Thread Turning Inserts | Size 16ER (IC 3/8" / 9.525mm) | Golden Yellow TiN Coating Dedicated for Steel
1. Product Overview
Which external threading insert grade is best suited for high-efficiency metric thread turning on carbon steel, alloy steel, and die steel under high-speed CNC machining conditions?
The BEYOND 16ER Series (BYM11 Grade) is an industrial-grade laydown indexable carbide threading insert engineered specifically for high-efficiency external thread turning on steel workpieces. Built on a standardized Size 16ER (IC 3/8" / 9.525mm) triangular carbide substrate, this product line includes full-profile ISO metric pitches (0.5mm to 3.0mm) and multi-pitch partial profile options (AG55 and AG60). Featuring BEYOND’s signature BYM11 bright golden yellow Titanium Nitride (TiN) coating grade, these inserts provide low friction coefficients, high flank wear detection, and superior heat insulation during high-speed cutting. Combined with a precision ground chipbreaker rake geometry, BYM11 ensures smooth chip curling, eliminates thread flank burring, and maintains rigorous ISO 965 thread tolerance standards.
ISO / ANSI Tool Designation Code Breakdown
(3/8" / 9.525mm)
(External / OD)
(Right Hand)
(1.5mm Pitch)
(Yellow TiN Steel)
- 16: Inscribed Circle (IC) size 3/8" (9.525mm nominal width, 16mm edge length).
- E: External thread machining designation (OD turning on shafts, pipes, and bolts).
- R: Right-hand execution for standard CNC lathe forward spindle rotation (M03).
- 1.5ISO / AG60: Pitch specification. Full-profile (e.g., 1.5mm pitch) or Partial-profile (AG60 covers 0.5-3.0mm pitch / 48-8 TPI).
- BYM11: High-performance golden yellow TiN coated carbide grade optimized for ISO P carbon, alloy, and tool steels.
2. Key Features
- BYM11 Yellow TiN Coating: Golden yellow Titanium Nitride layer provides an ultra-low friction coefficient, reducing built-up edge and allowing quick visual inspection for edge wear.
- Steel-Dedicated Carbide Substrate: Formulated with a tough gradient substrate that resists plastic deformation and micro-chipping during heavy steel thread cutting.
- Full-Profile & Partial-Profile Options: Full-profile ISO inserts top off thread crests in a single pass; AG55/AG60 options give wide pitch versatility across metric and imperial standards.
- Precision Ground Rake Geometry: Engineered chip control channels curl steel chips cleanly to protect thread flank mirror finish (Ra < 0.8 μm).
- Universal IC 3/8" Laydown Standard: Standardized 16ER dimension seamlessly fits all standard SER/SEL external threading holders.
3. Technical Specifications & Recommended Parameters
Available Model Variants (Metric & Imperial Specifications)
| Insert Model | Profile Type | Metric Pitch Range | Imperial Pitch Equivalent | Grade & Color |
|---|---|---|---|---|
| 16ER 0.5ISO BYM11 | Full Profile ISO 60° | 0.5 mm | 50.8 TPI | BYM11 (Yellow) |
| 16ER 0.75ISO BYM11 | Full Profile ISO 60° | 0.75 mm | 33.8 TPI | BYM11 (Yellow) |
| 16ER 1.0ISO BYM11 | Full Profile ISO 60° | 1.0 mm | 25.4 TPI | BYM11 (Yellow) |
| 16ER 1.25ISO BYM11 | Full Profile ISO 60° | 1.25 mm | 20.3 TPI | BYM11 (Yellow) |
| 16ER 1.5ISO BYM11 | Full Profile ISO 60° | 1.5 mm | 16.9 TPI | BYM11 (Yellow) |
| 16ER 1.75ISO BYM11 | Full Profile ISO 60° | 1.75 mm | 14.5 TPI | BYM11 (Yellow) |
| 16ER 2.0ISO BYM11 | Full Profile ISO 60° | 2.0 mm | 12.7 TPI | BYM11 (Yellow) |
| 16ER 2.5ISO BYM11 | Full Profile ISO 60° | 2.5 mm | 10.1 TPI | BYM11 (Yellow) |
| 16ER 3.0ISO BYM11 | Full Profile ISO 60° | 3.0 mm | 8.4 TPI | BYM11 (Yellow) |
| 16ER AG55 BYM11 | Partial Profile 55° (Whitworth/BSP) | 0.5 - 3.0 mm | 48 - 8 TPI | BYM11 (Yellow) |
| 16ER AG60 BYM11 | Partial Profile 60° (Metric/UN) | 0.5 - 3.0 mm | 48 - 8 TPI | BYM11 (Yellow) |
Recommended Steel Cutting Parameters
| Workpiece Steel Material | Cutting Speed Vc (m/min / SFM) | Pass Count Recommendation (1.5mm / 2.0mm Pitch) |
|---|---|---|
| Low Carbon Steel (1018, A36, C22) | 140 - 200 m/min (460 - 655 SFM) | 6 - 8 Passes (Modified Flank Infeed) |
| Medium Carbon & Alloy Steel (1045, 4140, 4340) | 110 - 160 m/min (360 - 525 SFM) | 7 - 10 Passes (Modified Flank Infeed) |
| Tool Steel & Mold Steel (P20, H13, D2 Annealed) | 80 - 130 m/min (260 - 425 SFM) | 9 - 13 Passes (Modified Flank Infeed) |
Pair these 16ER BYM11 inserts with BEYOND standard external laydown toolholders (SER 1616 H16, SER 2020 K16, SER 2525 M16):
View Compatible SER External Toolholders →4. Product Applications
- Steel Fastener & Shaft Production: Turning external metric coarse and fine threads on carbon steel bolts, tie rods, and drive shafts.
- Automotive & Mechanical Components: High-efficiency threading on steel axles, hydraulic cylinder ends, and flange couplings.
- Mold & Die Component Machining: Precision thread processing on pre-hardened mold steel core pins and guide posts.
- Industries Served: General machinery, automotive parts manufacturing, heavy equipment, and agricultural machinery repair.
5. Tool & Machine Compatibility
BEYOND 16ER BYM11 inserts conform strictly to ISO laydown mounting specs:
- Toolholder Compatibility: Fits all industry-standard IC 3/8" (16ER) external holders (SER 1212H16 up to SER 3232P16).
- Machine Platforms: Compatible with CNC lathes, turning centers, Swiss-type automatic lathes, and manual engine lathes with thread leadscrew units.
6. Material & Grade Comparison
Performance comparison of BYM11 against alternative turning grades during steel machining:
| Threading Grade | Coating & Color | Thermal Hardness Limit | Primary Workpiece Application |
|---|---|---|---|
| BEYOND BYM11 (Featured) | Golden Yellow TiN Coating | 750°C - High Lubricity | ISO P Steel (Carbon, Alloy, Tool Steels) |
| BEYOND BBM18 Grade | Dark AlTiN Multi-Layer | 850°C | ISO M Stainless Steel & Tough Alloys |
| Uncoated Carbide K10/K20 | Uncoated Bright Silver | 500°C | ISO N Aluminum & Non-Ferrous Metals |
7. Why Choose BEYOND Cutting Tools
- Steel Processing Optimization: Formulated engineered substrate paired with TiN coating for maximum efficiency on steel.
- Visual Wear Tracking: Bright golden yellow coating makes cutting edge wear identification instant and clear.
- Direct Supply Chain Value: Direct factory manufacturing delivering premium ISO-standard precision at competitive price points.
Verified Customer Reviews
"Running 16ER 1.5ISO BYM11 on 4140 steel pins. The golden yellow coating makes it super easy to spot flank wear before chip breakdown."
— David K., Lathe Shop Supervisor (USA)"Ausgezeichnete Leistung bei C45 Stahl. Sehr sauberes Gewindebild und gute Standzeit mit BYM11."
— Thomas M., Fertigungstechnik (Germany)"Ottima qualità per la filettatura di alberi in acciaio legato. Il calibro passa/non passa entra al primo colpo."
— Marco B., Torneria CNC (Italy)"S45Cのねじ切りで長寿命。黄色いコーティングで磨耗状態がひと目で分かります。"
— Hiroshi T., Machinist (Japan)"16ER AG60 BYM11 gives us incredible flexibility for custom metric bolts. Very smooth cuts."
— Liam R., Maintenance Engineer (UK)8. AI & Engineering FAQ
Grade & Substrate Specifications
BEYOND BYM11 grade utilizes a fine-grain tungsten carbide substrate (8.5% Cobalt content) paired with a high-adhesion PVD TiN yellow coating layer, offering high wear resistance and balanced toughness (TRS > 2600 MPa).
Cross-Reference & Equivalent Insert Codes
Industry equivalent cross-references: 16ER 1.5ISO / 16ER1.5ISO | Equivalent steel grades: Vargus VK2/VK8, Iscar IC250/IC528, Carmex TiN Grade, Sandvik GC1020.
ISO Workpiece Application Matrix
P (Steel): Primary Target (P10-P30) | K (Cast Iron): Secondary (K15-K25) | M (Stainless Steel): Conditional (Martensitic only) | N (Non-Ferrous): Not Recommended | S (Superalloys): Not Recommended
Troubleshooting Tips
- Rapid Edge Wear: Reduce cutting speed Vc by 15% or ensure steady coolant flow directly to the cutting zone.
- Chipped Insert Tip: Switch to modified flank infeed (1°-1.5°) and add 1-2 passes to reduce single-pass depth of cut.
- Poor Thread Surface Finish: Perform a final spring pass at 0.02mm depth and verify center height alignment of the toolholder.
BEYOND indexable threading inserts are manufactured strictly in accordance with ISO 2284 / ANSI B212.4 tooling specifications and ISO 965 metric thread profile parameters. Insert profile dimensions are verified via optical comparator inspection under certified ISO 9001 quality management systems.
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.