Original Kennametal NG4250LK KCU25 Carbide Grooving/Parting Insert | Steel KCU25B NG4250LK KCU25B

Name: Original Kennametal NG4250LK KCU25 Carbide Grooving/Parting Insert | Steel KCU25B NG4250LK KCU25B
Brand: Kennametal
SKU: NG4250LK KCU25B
Price: 52.35 USD
Availability: InStock
Rating: 5 (39 reviews)

Brand: Kennametal

$52.35

★★★★★ 5 (39 reviews)

Grooving Insert: NG4250LK KCU25B, Carbide – KCU25B, AlTiN, AlTiSiN & TiSiN Finish, Left Hand, 0.2500″ Cutting Width, 0.2500″ Max Depth, Series Top Notch

500 in stock

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Specifications
Brand	Kennametal
Part No. (MPN)	NG4250LK
Grade	KCU25B
Suitable Material	Steel
Category	Grooving & Parting Inserts

Kennametal NG4250LK KCU25 – Grooving/Parting Carbide Insert

Grooving Insert: NG4250LK KCU25B, Carbide – KCU25B, AlTiN, AlTiSiN & TiSiN Finish, Left Hand, 0.2500″ Cutting Width, 0.2500″ Max Depth, Series Top Notch

Industry references for Kennametal NG4250LK: Precision and Power in Every Cut KCU25B upgrades Kennametal's existing KCU25 with a newly engineered KENGold™ PVD, multilayer coating that makes machining from one material to another easy while also achieving consistency in cutting. The nano-composite coating has an enhanced coating adhesion that delivers better flank and chipping resistance. Kennametal Grooving Insert: N

Key Specifications

Brand	Kennametal
Model	NG4250LK
Grade	KCU25
Coating	tin
Workpiece Materials	Steel
Application	General Turning
Quantity	1 PCS

Why Grade KCU25

Kennametal’s KCU25 sits between general-purpose and high-performance offerings — strong enough for production general turning on steel, conservative enough to forgive the occasional spike in feed rate. tin layer keeps cutting temperatures workable.

Features & Benefits

100% Genuine Kennametal – Original product with full quality guarantee, traceable batch.
QC Inspected – Each batch sampled for edge profile, dimensional accuracy, and coating adhesion.
Bulk Pricing Available – Discount tiers for production-volume orders; contact sales.
Predictable Wear – Even flank wear pattern simplifies tool-life prediction and scheduling.
tin Coating – Superior wear resistance and extended tool life under continuous load.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

General Turning of steel in production CNC lines
Pairs well with through-coolant setups for chip evacuation
Designed for shop conditions typical of Kennametal tooling users worldwide
Holds dimensional tolerance over multiple indexings (insert)

Buying Considerations

Single-pack option — useful for prototype runs or qualification before bulk commitment. Mid-tier pricing reflects Kennametal’s production-grade tolerances rather than economy substrate.

Note: Compatible tool holders sold separately. Please confirm insert-holder seat compatibility (e.g. ISO seat designation) before ordering.

Weight	0.1 kg
Dimensions	15 × 18 × 4 cm

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Original Kennametal NG4250LK KCU25 Carbide Grooving/Parting Insert | Steel KCU25B NG4250LK KCU25B

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