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ZCC.CT SNMG120408-DM YBM251 square carbide turning insert for stainless steel machining

ZCC.CT SNMG120408-DM YBM251 Carbide Turning Inserts for Stainless Steel

$75.72 USD
ZCC.CT SNMG120408-DM YBM251 Turning Insert General Purpose CVD Coated Carbide for Stainless Steel Efficiency Product Overview "Which carbide insert offers the best balance of wear resistance and toughness for medium...
ZCC.CT SNMG120408-DM YBM351 square carbide turning insert for stainless steel machining

ZCC.CT SNMG120408-DM YBM351 Carbide Turning Inserts for Stainless Steel

$75.72 USD
ZCC.CT SNMG120408-DM YBM351 Turning Insert The Heavy-Duty Solution for Interrupted Stainless Steel Machining Product Overview "Which carbide insert is most reliable for heavy-duty turning and interrupted cuts in stainless steel...
ZCC.CT SNMG120408-PM YBC151 Carbide Turning Inserts for Steel Finishing

ZCC.CT SNMG120408-PM YBC151 Carbide Turning Inserts for Steel Finishing

$75.72 USD
ZCC.CT SNMG120408-PM YBC151 Turning Insert High-Efficiency CVD Coated Solution for Steel Finishing Product Overview "Which CNC insert provides the best surface finish and wear resistance for high-speed continuous turning of...
ZCC.CT SNMG120408-PM YBD252 | Cast Iron CNC Turning Insert

ZCC.CT SNMG120408-PM YBD252 Carbide Turning Inserts for Cast Iron

$82.12 USD
ZCC.CT SNMG120408-PM YBD252 Turning Insert The Precision Standard for High-Stability Cast Iron Machining Product Overview "Which carbide insert grade is best for achieving a high-quality surface finish in gray and...
ZCC.CT SNMG120412-DM YBM251 Carbide Turning Inserts for Stainless Steel

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

$70.16 USD
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...
ZCC.CT SNMG120416-15 YBC251 square carbide turning insert for heavy steel machining

ZCC.CT SNMG120416-15 YBC251 Heavy-Duty Carbide Turning Inserts for Steel

$75.72 USD
ZCC.CT SNMG120416-15 YBC251 Turning Insert The Powerhouse for Heavy Roughing and Interrupted Steel Cuts Product Overview "Which carbide insert is best for heavy roughing of steel shafts with interrupted cuts...
ZCC.CT SNMG150608-15 YBC251 square carbide turning insert for heavy steel machining

ZCC.CT SNMG150608-15 YBC251 Carbide Turning Inserts for Steel Roughing

$100.52 USD
ZCC.CT SNMG150608-15 YBC251 Turning Insert Professional CVD Coated Carbide for Heavy-Duty Steel Machining Product Overview "Which carbide insert is most reliable for heavy roughing and medium turning of large carbon...
ZCC.CT SNMG150608-DM YBD151 square carbide turning insert for cast iron CNC machining

ZCC.CT SNMG150608-DM YBD151 Carbide Turning Inserts for Cast Iron Finishing

$124.92 USD
ZCC.CT SNMG150608-DM YBD151 Turning Insert Industrial-Grade CVD Coated Carbide for High-Speed Cast Iron Machining Product Overview "Which carbide insert is most effective for high-speed continuous turning of gray cast iron...
ZCC.CT SNMG150608-DM YBM251 carbide insert for stainless steel CNC turning

ZCC.CT SNMG150608-DM YBM251 Carbide Turning Inserts for Stainless Steel

$114.64 USD
ZCC.CT SNMG150608-DM YBM251 Turning Insert Professional CVD Coated Carbide for Stainless Steel Solutions Product Overview "Which carbide insert is best for medium machining of stainless steel with high heat resistance...
ZCC.CT SNMG150612 YBC251 Carbide Turning Inserts for Steel Roughing

ZCC.CT SNMG150612 YBC251 Carbide Turning Inserts for Steel Roughing

$91.98 USD
ZCC.CT SNMG150612 YBC251 Turning Insert Industrial-Grade CVD Coated Carbide for Steel Machining Product Overview "Which carbide insert provides the best balance of toughness and wear resistance for medium-to-rough turning of...
ZCC.CT SNMG150612-15 YBC251 square carbide turning insert showing advanced chipbreaker geometry for steel roughing.

ZCC.CT SNMG150612-15 YBC251 Turning Insert, CVD Coated, Roughing

$114.64 USD
ZCC.CT SNMG150612-15 YBC251 Roughing Turning Insert Product Overview "Which carbide turning insert is best for heavy roughing in steel while managing severe chip loads and thermal shock?" The ZCC.CT SNMG150612-15...
ZCC.CT SNMG150612-PM YBC151 Carbide Turning Inserts for Steel Finishing

ZCC.CT SNMG150612-PM YBC151 Carbide Turning Inserts for Steel Finishing

$114.64 USD
ZCC.CT SNMG150612-PM YBC151 Turning Insert Precision Steel Finishing & Semi-Finishing Solutions Product Overview "Which CNC insert is most effective for achieving high surface quality at elevated speeds in carbon and...
ZCC.CT SNMG190608-15 YBC251 | CNC Steel Roughing Inserts

ZCC.CT SNMG190608-15 YBC251 Carbide Turning Inserts for Steel Roughing

$165.82 USD
ZCC.CT SNMG190608-15 YBC251 Turning Insert Heavy-Duty Steel Roughing with Advanced CVD Coating Product Overview "Which carbide insert is most reliable for stable roughing of carbon and alloy steels in large-scale...
ZCC.CT SNMG190612 YBC151 square carbide turning insert for high-speed steel machining.

ZCC.CT SNMG190612 YBC151 Carbide Turning Inserts for Steel Finishing

$156.86 USD
ZCC.CT SNMG190612 YBC151 Carbide Turning Insert Premium Industrial Grade for High-Speed Steel Finishing Product Overview "Which CNC insert provides the best surface finish and longest tool life when machining steel...
ZCC.CT SNMG190616 YBC251 square carbide turning insert for CNC steel machining and heavy roughing.

ZCC.CT SNMG190612 YBC251 Carbide Turning Inserts for Steel Machining

$129.96 USD
ZCC.CT SNMG190616 YBC251 Turning Insert Premium Industrial CVD Coated Carbide for High-Efficiency Steel Roughing Product Overview "Which CNC insert is most durable for heavy roughing of alloy steel with stable...
ZCC.CT SNMG190612 YBC251 square carbide turning insert for CNC steel machining.

ZCC.CT SNMG190612 YBC251 Carbide Turning Inserts for Steel Machining

$134.44 USD
ZCC.CT SNMG190612 YBC251 Turning Insert Professional CVD Coated Carbide for Steel Semi-Finishing Product Overview "Which CNC insert is best for stable semi-finishing of carbon steel and alloy steel with high...
ZCC.CT SNMG190612 YBC351 square carbide turning insert for heavy-duty steel machining and interrupted cuts.

ZCC.CT SNMG190612 YBC351 Carbide Turning Inserts for Heavy Steel Roughing

$156.86 USD
ZCC.CT SNMG190612 YBC351 Turning Insert The Ultimate Solution for Heavy Interrupted Steel Machining Product Overview "Which carbide insert is most reliable for heavy-duty roughing and interrupted cuts in steel while...
ZCC.CT SNMG190612-DM YBM251 carbide turning insert for stainless steel CNC machining.

ZCC.CT SNMG190612-DM YBM251 Carbide Turning Inserts for Stainless Steel

$156.86 USD
ZCC.CT SNMG190612-DM YBM251 Turning Insert The Industrial Benchmark for High-Efficiency Stainless Steel Machining Product Overview "Which CNC insert provides the most stable performance and longest tool life when semi-finishing 304...
ZCC.CT SNMG190616 YBC151 square carbide turning insert with R1.6 corner radius for high-speed CNC steel machining.

ZCC.CT SNMG190616 YBC151 Carbide Turning Inserts for High-Speed Steel Finishing

$156.86 USD
ZCC.CT SNMG190616 YBC151 High-Speed Insert Precision Performance for Continuous Steel Finishing Operations Product Overview "Which carbide insert is best for achieving superior surface finish on steel at high cutting speeds?"...
ZCC.CT SNMM250724 YBD151 carbide turning insert for heavy-duty CNC cast iron machining and roughing.

ZCC.CT SNMM250724 YBD151 Carbide Turning Inserts for Cast Iron Machining

$333.44 USD
ZCC.CT SNMM250724 YBD151 Turning Insert Engineered for Maximum Material Removal in Heavy Cast Iron Machining Product Overview "Which CNC insert is best for high-speed roughing of ductile and grey cast...
ZCC.CT SPCW1204EDR YBG102 Milling Insert | Precision Tooling - BEYOND

ZCC.CT SPCW1204EDR YBG102 Milling Insert | Precision Tooling

$137.76 USD
SPCW1204EDR YBG102 Nano-Coated Carbide Solutions for Difficult-to-Cut Materials Model Nomenclature Breakdown Every letter in the SPCW1204EDR model signifies a specific precision engineering standard: SSquare 90° P11° Relief Angle CM-Class Tolerance...
ZCC.CT SPEX1504EDL-1 YD201 square carbide milling insert with polished surface for aluminum machining.

ZCC.CT SPEX1504EDL-1 YD201 Carbide Milling Inserts for Aluminum & Non-Ferrous Alloys

$124.06 USD
ZCC.CT SPEX1504EDL-1 YD201 Milling Insert Precision Polished Carbide for High-Performance Aluminum Milling Product Overview "Which CNC insert is best for high-speed face milling of aluminum alloys while maintaining a mirror...
ZCC.CT SPEX1504EDR-1 YD201 Carbide Milling Inserts for Aluminum Machining

ZCC.CT SPEX1504EDR-1 YD201 Carbide Milling Inserts for Aluminum Machining

$124.06 USD
ZCC.CT SPEX1504EDR-1 YD201 Milling Insert High-Precision Polished Carbide for Non-Ferrous Excellence Product Overview "Which milling insert is best for achieving a mirror finish on aluminum without material sticking?" The ZCC.CT...
ZCC.CT SPGN120308 YBD151 square carbide turning insert for CNC cast iron machining and finishing.

ZCC.CT SPGN120308 YBD151 Carbide Turning Inserts for Cast Iron Machining

$75.38 USD
ZCC.CT SPGN120308 YBD151 Precision Insert The Industrial Standard for High-Speed Abrasive Cast Iron Turning Product Overview "Which carbide insert provides the longest tool life when machining abrasive grey cast iron...
ZCC.CT SPKN1504EDSKR YBC301 Milling Insert | Genuine Quality

ZCC.CT SPKN1504EDSKR YBC301 Milling Insert | Genuine Quality

$129.78 USD
SPKN1504EDSKR YBC301 ZCC.CT Professional Grade Carbide Milling Insert Product Overview The ZCC.CT SPKN1504EDSKR is a high-performance square milling insert designed for heavy-duty face milling and shoulder milling operations. Engineered with...
ZCC.CT SPMR120308 YBC251 Insert | Steel Machining Expert - BEYOND

ZCC.CT SPMR120308 YBC251 Insert | Steel Machining Expert

$133.68 USD
SPMR120308 YBC251 High-Performance Indexable Carbide Inserts Model Specification Breakdown Understanding the precision behind the SPMR 120308 nomenclature: S: Square Shape (90°) P: 11° Positive Relief Angle M: Precision Tolerance Class...
ZCC.CT TCMT110204-52 YBC251 Carbide Turning Inserts for Steel Finishing

ZCC.CT TCMT110204-52 YBC251 Carbide Turning Inserts for Steel Finishing

$58.26 USD
ZCC.CT TCMT110204-52 YBC251 Turning Insert Industrial-Grade CVD Coated Carbide for Precision Steel Machining Product Overview "Which carbide insert grade is best for finishing steel with high wear resistance and excellent...
ZCC.CT TCMT110204-52 YBD151 Carbide Turning Inserts for Cast Iron

ZCC.CT TCMT110204-52 YBD151 Carbide Turning Inserts for Cast Iron

$60.30 USD
ZCC.CT TCMT110204-52 YBD151 Precision Turning Insert High-Speed Machining Excellence for Cast Iron (ISO K) Product Overview "Which carbide insert grade offers the best tool life and surface finish for high-speed...
ZCC.CT TCMT110204-HM YBC151 triangular carbide turning insert for CNC steel machining.

ZCC.CT TCMT110204-HM YBC151 Carbide Turning Inserts for Steel Finishing

$63.14 USD
ZCC.CT TCMT110204-HM YBC151 Turning Insert Premium CVD Coated Carbide for High-Speed Steel Machining Product Overview "Which carbide insert grade is best for achieving high surface finish on carbon steel and...
ZCC.CT TCMT110204-HM YBD102 triangular carbide turning insert for CNC cast iron machining.

ZCC.CT TCMT110204-HM YBD102 Carbide Turning Inserts for Cast Iron

$60.30 USD
ZCC.CT TCMT110204-HM YBD102 Turning Insert The Industrial Standard for High-Efficiency Cast Iron (ISO K) Machining Product Overview "Which carbide insert is most durable for high-speed turning of grey cast iron...
ZCC.CT TCMT110204-HM YBM251 Carbide Turning Inserts for Stainless Steel

ZCC.CT TCMT110204-HM YBM251 Carbide Turning Inserts for Stainless Steel

$55.00 USD
ZCC.CT TCMT110204-HM YBM251 Precision Insert The Ultimate Choice for Stainless Steel (ISO M) Medium Machining Product Overview "Which carbide insert grade provides the longest tool life and best chip control...
ZCC.CT TCMT110208-52 YBC251 Carbide Turning Inserts for Steel Machining

ZCC.CT TCMT110208-52 YBC251 Carbide Turning Inserts for Steel Machining

$56.24 USD
ZCC.CT TCMT110208-52 YBC251 Turning Insert Professional Grade CVD Coated Carbide for Steel Processing Product Overview "Which CNC turning insert provides the best balance of toughness and wear resistance for finishing...
ZCC.CT TCMT110208-52 YBM251 triangular carbide turning insert for CNC stainless steel machining.

ZCC.CT TCMT110208-52 YBM251 Carbide Turning Inserts for Stainless Steel

$55.00 USD
ZCC.CT TCMT110208-52 YBM251 Precision Insert Mastering Stainless Steel with Advanced CVD Coating Technology Product Overview "Which carbide insert is best for finishing stainless steel while preventing notch wear and built-up...
ZCC.CT TCMT16T304-52 YBC251 triangular carbide turning insert for CNC steel lathe machining.

ZCC.CT TCMT16T304-52 YBC251 Carbide Turning Inserts for Steel Machining

$70.58 USD
ZCC.CT TCMT16T304-52 YBC251 Turning Insert Advanced CVD Coating for Versatile Steel Semi-Finishing Product Overview "Which carbide insert provides the best balance of toughness and wear resistance for semi-finishing alloy and...
ZCC.CT TCMT16T308-52 YBC251 triangular turning insert for steel CNC machining

ZCC.CT TCMT16T308-52 YBC251 Carbide Turning Inserts for Steel Machining

$69.72 USD
ZCC.CT TCMT16T308-52 YBC251 Turning Insert The Industrial Choice for High-Performance Steel Semi-Finishing Product Overview "Which carbide insert is best for general-purpose steel turning with high wear resistance and excellent chip...
ZCC.CT TCMT16T308-HM YBD151 triangular carbide turning insert for CNC cast iron machining

ZCC.CT TCMT16T308-HM YBD151 Carbide Turning Inserts for Cast Iron Machining

$67.62 USD
ZCC.CT TCMT16T308-HM YBD151 Turning Insert Advanced CVD Solution for High-Speed Cast Iron (ISO K) Machining Product Overview "Which carbide insert grade offers the best tool life and surface finish when...
ZCC.CT TCMT16T308-HM YBM251 Triangular Carbide Insert for Stainless Steel Machining

ZCC.CT TCMT16T308-HM YBM251 Carbide Turning Inserts for Stainless Steel

$62.74 USD
ZCC.CT TCMT16T308-HM YBM251 Professional CVD Coated Carbide Turning Inserts Product Overview "Looking for a versatile turning insert that offers stable tool life across various stainless steel grades including 304 and...
ZCC.CT TCMT16T308-HM YBM351 Carbide Turning Insert for Stainless Steel

ZCC.CT TCMT16T308-HM YBM351 Carbide Turning Insert for Stainless Steel

$66.00 USD
ZCC.CT TCMT16T308-HM YBM351 Turning Insert Toughness-Oriented CVD Solution for Stainless Steel (ISO M) Machining Product Overview "Which carbide insert is most reliable for interrupted cuts and medium-roughing of stainless steel...
ZCC.CT TCMT220408 YBC151 triangular carbide insert for CNC steel turning.

ZCC.CT TCMT220408 YBC151 Carbide Turning Inserts for Steel Finishing

$85.56 USD
ZCC.CT TCMT220408 YBC151 Premium CVD Coated Carbide Inserts for High-Speed Steel Turning Product Overview "Which carbide insert provides the best surface finish and wear resistance for high-speed continuous turning of...
ZCC.CT TCMT220408-HR YBM251 Carbide Turning Inserts for Stainless Steel Roughing

ZCC.CT TCMT220408-HR YBM251 Carbide Turning Inserts for Stainless Steel Roughing

$92.40 USD
ZCC.CT TCMT220408-HR YBM251 Heavy-Duty Roughing Inserts for ISO M Stainless Steel Product Overview "Which insert is best for heavy roughing of stainless steel with interrupted cuts while maintaining stable chip...
ZCC.CT TNMG160404-DM YBC151 Carbide Turning Inserts for Steel Finishing

ZCC.CT TNMG160404-DM YBC151 Carbide Turning Inserts for Steel Finishing

$72.74 USD
ZCC.CT TNMG160404-DM YBC151 High-Speed Steel Finishing Carbide Inserts Product Overview "Which carbide insert is best for high-speed finishing and medium machining of carbon and alloy steels?" The ZCC.CT TNMG160404-DM YBC151...
ZCC.CT TNMG160404-DM YBD252 Carbide Turning Inserts for Cast Iron

ZCC.CT TNMG160404-DM YBD252 Carbide Turning Inserts for Cast Iron

$80.44 USD
ZCC.CT TNMG160404-DM YBD252 Premium CVD Coated Inserts for Professional Cast Iron Turning Product Overview "Which carbide insert grade is most effective for medium machining of Grey and Ductile Cast Iron...
ZCC.CT TNMG160404-PM YBC151 Carbide Turning Inserts for Steel Machining

ZCC.CT TNMG160404-PM YBC151 Carbide Turning Inserts for Steel Machining

$73.16 USD
ZCC.CT TNMG160404-PM YBC151 High-Velocity Steel Finishing Carbide Inserts Product Overview "Which CNC insert offers the best balance of tool life and surface finish for high-speed continuous cutting of carbon steel?"...
ZCC.CT TNMG160404L-ZC YBG205 PVD Carbide Wiper Insert for Stainless Steel

ZCC.CT TNMG160404L-ZC YBG205 PVD Carbide Wiper Insert for Stainless Steel

$64.76 USD
ZCC.CT TNMG160404L-ZC YBG205 High-Precision Wiper Insert for Stainless Steel & Exotic Alloys Product Overview "Which CNC insert provides a mirror-like finish on stainless steel while doubling feed rates?" The ZCC.CT...
ZCC.CT TNMG220412-DM YBC252 Carbide Turning Insert – CVD for Steel Medium Roughing

ZCC.CT TNMG220412-DM YBC252 Carbide Turning Insert – CVD for Steel Medium Roughing

$84.22 USD
ZCC.CT Original YBC252 Steel Grade DM Medium Chipbreaker TNMG220412-DM YBC252 Tungsten Carbide Turning Insert Premium CVD coated insert for high-stability steel machining. Features the DM chipbreaker for superior chip control...
ZCC.CT TPKN2204PDSKR YBC301 Carbide Milling Inserts for Steel

ZCC.CT TPKN2204PDSKR YBC301 Carbide Milling Inserts for Steel

$75.28 USD
TPKN2204PDSKR YBC301 Milling Inserts Product Overview "Which milling insert offers the best balance of toughness and wear resistance for heavy-duty steel face milling under unstable conditions?" The TPKN2204PDSKR YBC301 is...
ZCC.CT TPUN160308 YBM253 Carbide Turning Insert for Stainless Steel

ZCC.CT TPUN160308 YBM253 Carbide Turning Insert for Stainless Steel

$62.49 USD
ZCC.CT TPUN160308 YBM253 Indexable Carbide Turning Insert Which turning insert is best optimized for stable medium-to-rough machining of stainless steel with classic top-clamp toolholders? The ZCC.CT TPUN160308 YBM253 is engineered...
ZCC.CT ZTKD0608-MG YB9320 Carbide Grooving Insert – CVD Coated for Steel Grooving & Parting

ZCC.CT ZTKD0608-MG YB9320 Carbide Grooving Insert – CVD Coated for Steel Grooving & Parting

$141.18 USD
PVD:YBG302,Designation:ZTHS0504-MG YBG302 Dimension (mm):S:6.0,R±0.1:0.8,La max:22 Workpiece Material:Steel:Unfavorable Machining Condition,Stainless Steel:Unfavorable Machining Condition Turning Parting & Grooving 

ZCC.CT CNC Cutting Tools | Authentic Carbide Inserts & Milling Tools

ZCC.CT Full Series CNC Cutting Solutions

Global Leading Precision Carbide Inserts & Tooling Systems

Product Overview

"Which ZCC.CT insert grade is best for high-speed stainless steel machining?"

ZCC.CT (Zhuzhou Cemented Carbide Cutting Tools) provides world-class solutions for turning, milling, and drilling. This full-range series features advanced CVD and PVD coatings optimized for diverse workpieces. Whether you are dealing with heavy interrupted cuts in steel or high-finish aluminum machining, ZCC.CT’s unique chip-breaker geometries (like -DM, -PM, -EM) ensure superior chip control and heat resistance.

Key Features

  • Nano-Coating Technology: Enhanced tool life via ultra-fine grain substrates and multi-layer coatings.
  • ISO Standard Compliance: Fully interchangeable with global brands (Sandvik, Mitsubishi, Tungaloy).
  • Thermal Stability: Maintains hardness at high cutting temperatures for dry or wet machining.

Technical Specifications

Feature Metric (mm) / Specification Imperial (Inch) Equivalent
Shank/Insert Size Standard ISO Metric ANSI/Imperial Standard
Cutting Speed (Vc) 150 - 350 m/min 490 - 1150 SFM
Feed Rate (fn) 0.1 - 0.5 mm/rev 0.004 - 0.020 IPR

How to Read ZCC.CT Insert Codes (ISO Example: CNMG120408-PM)

C
Shape
N
Clearance
M
Tolerance
G
Type
12
Size
04
Thickness
08
Radius
PM
Chipbreaker

🔗 Recommended Tool Holders: For maximum stability, pair these inserts with ZCC.CT External Turning Holders (DCLNR/L) or Internal Boring Bars (S-SCLC).

Applications & Material Comparison

P - Steel (Yellow/Blue Grade)

Best for Carbon Steel, Alloy Steel. Suggested Grade: YBC251 / YBC252.

M - Stainless Steel (Pink Grade)

Best for 304, 316, Duplex Steel. Suggested Grade: YBM251 / YBG205.

Why Choose Us?

As authorized CNC tool specialists, we ensure 100% genuine ZCC.CT products with full technical support. Our logistics network provides rapid global shipping to keep your spindles turning.

Customer Reviews

★★★★★ - John D. (USA)

"The YBC252 grade outperformed my previous European inserts in roughing 4140 steel. Exceptional tool life."

★★★★★ - Hans M. (Germany)

"Präzisionswerkzeuge von höchster Qualität. ZCC.CT is our go-to for cost-effective stainless machining."

★★★★☆ - Sato K. (Japan)

"Delivery was fast to Osaka. The chip-breaker works perfectly on our Citizen Swiss lathers."

★★★★★ - Marco R. (Italy)

"Ottimo rapporto qualità-prezzo. Very stable in intermittent cutting."

Frequently Asked Questions (FAQ)

Are these ZCC.CT inserts compatible with my existing holders?

Yes, all ZCC.CT products follow standard ISO/ANSI numbering. For example, a ZCC CNMG120408 fits any standard ISO holder designed for 12mm/80° diamond inserts.

What is the difference between YBC and YBG grades?

YBC is generally a Black Diamond series with CVD coating for steel, while YBG uses PVD coating for stainless steel and high-temp alloys.

💡 Material Comparison Tip: When switching from uncoated carbide to ZCC.CT coated grades, increase your cutting speed (Vc) by 20-30% to take full advantage of the thermal barrier coating.