ZCC.CT SNMG120412-DM YBM251 Carbide Turning Inserts for Stainless Steel

$70.16 USD

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

american expressmasterpaypalvisaapple paygoogle payshopify pay
Order in the next [totalHours] hours %M minutes to get it between and
Description

ZCC.CT SNMG120412-DM YBM251 Turning Insert

Professional CVD Coated Carbide for High-Stability Stainless Steel Turning

Product Overview

"Which carbide insert is most effective for medium turning of 304 and 316 stainless steel while maintaining edge toughness and preventing chip nesting?"

The ZCC.CT SNMG120412-DM in YBM251 grade is the industrial benchmark for ISO M (Stainless Steel) applications. The YBM251 grade utilizes a specialized CVD coating (TiCN + Al2O3) combined with a high-toughness substrate to resist thermal cracking and chemical wear. The DM chipbreaker (Double-sided Medium) is engineered for medium-duty machining, featuring a 1.2mm corner radius that provides superior edge strength for stable cutting in ductile materials like austenitic stainless steel.

Core Industrial Advantages

● Grade YBM251: Perfect balance of wear resistance and toughness for general stainless steel turning.
● DM Geometry: Optimized chip control reduces cutting force and heat generation on the tool nose.
● Reinforced Radius (1.2mm): Enhanced corner strength for higher feed rates and interrupted cuts.

Technical Specifications

ISO Code Explanation: SNMG120412-DM

S
Square
N
0° Relief
M
Tolerance
G
Hole/Chip
12
12.7mm
04
4.76mm
12
1.2 Rad
DM
Medium
Standard Metric (ISO) Imperial (ANSI)
Designation SNMG120412-DM SNMG 433-DM
Inscribed Circle 12.7 mm 0.500 inch

Recommended Cutting Parameters

Workpiece Material Vc (m/min) fn (mm/rev)
Austenitic Stainless (M) 160 - 240 0.15 - 0.50
Duplex Stainless (M) 80 - 150 0.12 - 0.45

Compatible Tool Holders:

Standard MSSNR / MSSNL / DSDNN / PSSNR tool holders

Find Tool Holders →

Main Applications

  • Turning of austenitic and duplex stainless steels.
  • Machining of valve bodies, shafts, and flanges.
  • Medium-duty operations with interrupted cutting potential.
  • Oil & gas and food processing equipment manufacturing.

Compatibility

  • Fits all ISO standard square turning pockets (12.7mm).
  • Optimized for high-torque CNC lathes and turning centers.
  • Universal standard size (Interchangeable with Sandvik, Iscar, etc.)

ZCC.CT Stainless Steel Grade Matrix

Grade Primary Focus Speed Range Condition
YBM151 Wear Resistance High Speed Stable / Finish
YBM251 (Current) General Purpose Medium Speed All-Rounder
YBM351 Toughness Low-Medium Speed Heavily Interrupted

Verified Global Customer Reviews

★★★★★

"The 1.2 radius on the SNMG120412 is a beast for stainless shafts. Tool life is much better than our previous premium brand."

— Robert K., USA 🇺🇸
★★★★★

"YBM251 is very stable. Excellent performance on Duplex 2205 components."

— Hans S., Germany 🇩🇪
★★★★★

"Ottima qualità. Gli inserti ZCC.CT sono la nostra prima scelta per acciaio inox."

— Luca P., Italy 🇮🇹
★★★★☆

"Original parts, delivered fast. DM chipbreaker works perfectly as described."

— Kenji T., Japan 🇯🇵

Industrial FAQ

Q: Why use the 1.2mm radius (12) instead of the 0.8mm (08)?

A: The larger 1.2mm radius offers significantly higher edge strength and better heat dissipation, making it ideal for higher feed rates and heavier cuts in tough stainless materials.

Q: Is YBM251 suitable for dry cutting?

A: While it can handle dry cutting, we recommend high-pressure coolant for stainless steel to maximize tool life and improve surface finish.

Q: Can this be used for carbon steel?

A: Yes, it can cut carbon steel, but for optimal performance and economy in steel, the YBC series (e.g., YBC251) is recommended.

Troubleshooting: Excessive built-up edge? Increase cutting speed (Vc). Edge chipping? Switch to YBM351 or reduce feed (fn).

Equivalent Models: Sandvik SNMG 12 04 12-MR, Mitsubishi SNMG120412-MA, Kyocera SNMG120412-MS

Workpiece Material Matrix: 304, 316, 316L, 17-4PH, 2205 Duplex Stainless.

 

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.