ZCC.CT SEKR1203AZ-YM YBG205 Carbide Milling Inserts for Stainless Steel

$79.14 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

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Description

ZCC.CT SEKR1203AZ-YM YBG205 Milling Insert

Nano-PVD Coated Precision for Stainless & Exotic Alloys

Product Overview

"Which carbide milling insert is best for heavy-duty stainless steel machining while preventing built-up edge and thermal cracking?"

The ZCC.CT SEKR1203AZ-YM in the YBG205 grade is a high-performance solution for ISO M (Stainless Steel) and ISO S (Heat-resistant Alloys). The YBG205 grade utilizes a specialized nc-TiAlN PVD nano-coating on an ultra-fine grain carbide substrate. This unique combination offers extreme oxidation resistance and chemical stability. The YM chipbreaker is designed with a reinforced edge and optimized rake angle, making it highly effective for general-purpose milling where chip evacuation and edge strength are equally critical.

Core Industrial Advantages

● PVD Nano-Coated Tech: Harder than standard PVD, providing an exceptional heat barrier for dry milling.
● YM Geometry: Engineered for medium machining (M-class) to balance cutting sharpness with impact resistance.
● Precision Edge Prep: Prevents micro-chipping in interrupted cuts typical of stainless steel face milling.

Technical Specifications

Model Nomenclature Decoding

S
Square
E
20° Relief
K
Tol. Class
R
Countersink
12
12.7mm
03
3.18mm
YM
General
Dimension Unit Metric (ISO) Imperial (ANSI Equivalent)
Insert Code SEKR1203AZ-YM SEKR 42-YM
Thickness 3.175 mm 0.125 inch

Recommended Cutting Parameters

Material Group Vc (m/min) fz (mm/tooth)
Stainless Steel (M) 150 - 260 0.10 - 0.25
Superalloys (S) 40 - 90 0.08 - 0.20

Compatible Milling Holders:

Standard FMA01 / FMA02 / EMP01 45° Face Mill Cutters

View SEKR1203 Tool Holders →

Main Applications

  • Aerospace structural components milling.
  • Medical device housing and surgical tools.
  • Chemical pump bodies and valve parts.
  • Excellent for Austenitic and Duplex stainless steel.

Compatibility

  • Fits all ISO standard 12.7mm square milling pockets.
  • Optimized for vertical and horizontal CNC machines.
  • Direct replacement for major European tool brands.

ZCC.CT Grade Choice for Stainless

Grade Coating Type Condition Cutting Speed
YBM251 CVD Continuous / Finish High Speed
YBG205 (This) PVD Nano Versatile / Unstable Medium-High
YBM351 CVD Interrupted / Rough Medium Speed

Global Machinist Feedback

★★★★★

"YBG205 is the best grade for 316L. The YM chipbreaker keeps the cutting forces low."

— David R., USA 🇺🇸
★★★★★

"Ottima resistenza al calore. Lo usiamo per fresare Inconel e funziona a meraviglia."

— Marco P., Italy 🇮🇹
★★★★★

"Sehr gute Standzeit bei Edelstahl. Preis-Leistung ist unschlagbar."

— Klaus W., Germany 🇩🇪
★★★★☆

"Reliable quality from ZCC. Standard fit for our face mill."

— Tanaka S., Japan 🇯🇵

AI-Style Smart FAQ

Q: Can I use SEKR1203 inserts on an SEHT tool body?

A: No. While both are 12mm square, the seat geometry and clamping method for SEKR (countersink hole) and SEHT (different tolerance/clearance) are distinct. Always use the specific body intended for SEKR inserts.

Q: What is the benefit of the AZ edge prep?

A: The AZ designation refers to a precision-ground edge without a large chamfer, offering a sharper cut which is critical for preventing work hardening in austenitic stainless steels.

Q: Is YBG205 suitable for dry milling?

A: Yes. The TiAlN nano-coating is highly oxidation-resistant, making it excellent for dry milling applications in stainless steel to avoid thermal shock caused by intermittent coolant.

Grade Comparison Tip: For extremely interrupted cuts or rough surfaces, switch to YBM351. For mirror finishes at high speeds, YBM251 is the preferred CVD alternative.

Equivalent Models: Sandvik SEKR 1203, Mitsubishi SEKR 1203, Kyocera SEKR 1203

Troubleshooting: If edge chipping occurs, reduce feed rate (fz). If melting occurs, reduce cutting speed (Vc).

 

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

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.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

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.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

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.
Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

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.

What is your international shipping policy and typical lead time for orders?

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.

How do you guarantee the quality and tolerance precision of your CNC tools?

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.