Taegutec TNMG 160408 TT7015 CVD Insert for Cast Iron Semi-Finishing (10pcs)

$120.99 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

TaeguTec TNMG 160408 TT7015

Maximum Productivity in Abrasive Cast Iron Machining

Product Overview

"Which carbide grade is most efficient for reducing cycle times in high-volume grey and nodular cast iron turning operations?"

The TaeguTec TNMG 160408 TT7015 is a specialized high-speed solution for ISO K (Cast Iron) workpieces. The TT7015 grade features a high-density CVD coating applied to a deformation-resistant substrate, making it impervious to the high temperatures and abrasive wear characteristic of iron castings. With an 0.8mm (08) corner radius, this insert provides the ideal equilibrium between edge strength for medium-duty cutting and the precision required for high-quality surface finishes. It is the definitive choice for shops looking to push cutting speeds without sacrificing dimensional stability.

Key Performance Factors

Advanced CVD Alumina Coating

Provides a massive thermal barrier, allowing for high-speed continuous cutting while resisting crater wear from abrasive iron dust.

Standard 0.8mm Radius

The industry-standard geometry for medium turning, offering excellent edge toughness against small inclusions in castings.

Cast Iron Optimization

Specifically engineered to combat the unique wear patterns of Grey and Ductile Iron, ensuring predictable tool life and lower costs per part.

Technical Specifications

Designation Breakdown: TNMG 160408

T
Triangle
N
Negative
M
Tolerance
G
Hole/Chip
160408
0.8mm Rad
Unit System I.C. (Inscribed Circle) Thickness Corner Radius
Metric (ISO) 160408 9.525 mm 4.76 mm 0.80 mm
Imperial (ANSI) 332 3/8" 3/16" 1/32"

Cutting Parameter Recommendations (TT7015)

Material Group (ISO K) Vc (Speed m/min) fn (Feed mm/rev)
Grey Cast Iron 250 - 550 0.15 - 0.45
Nodular/Ductile Iron 180 - 380 0.12 - 0.40

System Compatibility


Applications & Equipment Compatibility

  • Heavy Automotive: Ideal for brake drums, hubs, and complex engine housings.
  • Industrial Machinery: Best for pump housings, large pulleys, and gearbox castings.
  • High-Speed CNC: Specifically designed for rigid machines capable of high Vc rates.
  • Universal Tooling: Fits all ISO-standard TNMG 1604 (ANSI 33) holders, including MTJNR, MTFNR, and PSSNR.

TaeguTec Grade Comparison Matrix

Grade Coating Primary Application Tool Life Factor
TT7015 CVD Cast Iron (ISO K) High Hardness
TT8115 CVD Steel / Ductile Iron Balanced
TT9225 CVD General Steel Turning Thermal Barrier

Why Choose TaeguTec TT7015?

Consistency is the currency of a profitable CNC shop. The TT7015 grade is engineered to provide predictable wear patterns, allowing operators to schedule tool changes precisely and avoid catastrophic edge failure. In cast iron turning, heat management and abrasive resistance are the dual challenges; TaeguTec solves both with a substrate that maintains its hardness at peak temperatures and a coating that sheds heat effectively.

★★★★★

"Switched from a competitor's grade to TT7015 for our nodular iron pump bodies. Tool life doubled."

— Robert K., USA
★★★★★

"Ideal für Grauguss. Wir fahren extrem hohe Schnittgeschwindigkeiten ohne Probleme."

— Stefan M., Germany
★★★★★

"La resistenza all'abrasione è fantastica. Ottimo prodotto per la ghisa."

— Giuseppe T., Italy
★★★★☆

"Very consistent performance in batch production. Surface finish is better than expected."

— Kenji H., Japan

Frequently Asked Questions

Q: Is this insert suitable for dry machining?
A: Yes, the TT7015 CVD coating is designed to handle high heat, making it suitable for dry turning of cast iron where thermal shock from coolant can be a concern.
Q: What is the benefit of the 0.8mm radius over 0.4mm?
A: The 0.8mm radius is stronger and allows for higher feed rates, making it more versatile for general turning and semi-roughing compared to the 0.4mm precision finish radius.
Q: Does this grade work for alloy steel?
A: TT7015 is specifically for ISO K (Cast Iron). For alloy steel (ISO P), we recommend TT9225 or TT8125 to avoid premature chipping.

Machining Pro-Tip: When turning abrasive cast iron, increasing the cutting speed (Vc) rather than the feed rate (fn) often results in better tool life with the TT7015 grade.

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.