Original Kennametal NFD3189LKI KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous

Name: Original Kennametal NFD3189LKI KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous
Brand: Kennametal
SKU: NFD3189LKI KCU25
Price: 38.33 USD
Availability: InStock
Rating: 4.6 (67 reviews)

Brand: Kennametal

$38.33

★★★★⯨ 4.6 (67 reviews)

Grooving Insert: NFD3189LKI KCU25, Carbide – KCU25, AlTiN Finish, Left Hand, 4.800 mm Cutting Width, 6.35 mm Max Depth, Series Top Notch

500 in stock

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Specifications
Brand	Kennametal
Part No. (MPN)	NFD3189LKI
Grade	KCU25
Type	Carbide Insert
Suitable Material	Steel
Category	Insert

Kennametal NFD3189LKI KCU25 – Grooving/Parting Carbide Insert

Grooving Insert: NFD3189LKI KCU25, Carbide – KCU25, AlTiN Finish, Left Hand, 4.800 mm Cutting Width, 6.35 mm Max Depth, Series Top Notch

Industry references for Kennametal NFD3189LKI: SAP Material Number 4109655 ISO Catalog Number NFD3189LKI ANSI Catalog Number NFD3189LKI Grade KCU25 Insert Size 3 [W] Cutting Width 4.801 mm [W] Cutting Width .189 in [APMAX] Profile AP Maximum 2.921 mm [APMAX] Profile AP Maximum .115 in [RR] Corner Radius 0.572 mm [RR] Corner Radius .0225 in [T] Cuttg Depth 6.35 mm [T] Cutting Depth .25 in … Features Grooving Tools and Beyo

Key Specifications

Brand	Kennametal
Model	NFD3189LKI
Grade	KCU25
Coating	tin
Workpiece Materials	Steel, Cast Iron, Non-ferrous
Application	General Purpose
Geometry	Chipbreaker: k
Quantity	1 PCS

Why Grade KCU25

Kennametal’s KCU25 sits between general-purpose and high-performance offerings — strong enough for production general purpose on steel, cast iron, non-ferrous, 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.
Thermal Resistance – tin layer holds hardness above typical cutting-zone temperatures.
Edge Stability – Substrate chemistry tuned to limit micro-chipping on steel, cast iron, non-ferrous interruptions.
Professional CNC Tooling – Compatible with major CNC machine brands (Mazak, DMG, Haas, Doosan).
Ready Stock – In-stock for same-day dispatch from our CNC tooling warehouse.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

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

Buying Considerations

Single-pack option — useful for prototype runs or qualification before bulk commitment. Entry-tier pricing makes this a low-risk option for trialing Kennametal tooling on a new material.

Reminder: Holder rigidity, lead angle, and approach all influence how this insert wears. Pair with a holder rated for the same cutting forces.

Weight	0.1 kg
Dimensions	15 × 18 × 4 cm

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Original Kennametal NFD3189LKI KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous

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