Original Kennametal NG3M220RK KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous

Name: Original Kennametal NG3M220RK KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous
Brand: Kennametal
SKU: NG3M220RK KCU25
Price: 43.49 USD
Availability: InStock
Rating: 4.8 (65 reviews)

Brand: Kennametal

$43.49

★★★★⯨ 4.8 (65 reviews)

Grooving Insert: NG3M220RK KCU25, Carbide – KCU25, AlTiN Finish, Right Hand, 2.200 mm Cutting Width, 2.39 mm Max Depth, Series Top Notch

500 in stock

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Specifications
Brand	Kennametal
Part No. (MPN)	NG3M220RK
Grade	KCU25
Type	Carbide Insert
Suitable Material	Steel
Category	Insert

Kennametal NG3M220RK KCU25 – Grooving/Parting Carbide Insert

Grooving Insert: NG3M220RK KCU25, Carbide – KCU25, AlTiN Finish, Right Hand, 2.200 mm Cutting Width, 2.39 mm Max Depth, Series Top Notch

What machinists are saying about NG3M220RK: Top Notch™ Groove and Turn Inserts MetricInch SAP Material Number 4109719 ISO Catalog Number NG3M220RK ANSI Catalog Number NG3M220RK Grade KCU25 Insert Size 3 [W] Cutting Width 2.2000 mm [W] Cutting Width .0866 in [APMAX] Profile AP Maximum 1.0160 mm [APMAX] Profile AP Maximum .0400 in [RR] Corner Radius 0.1900 mm [RR] Corner Radius .0075 in [T] Cuttg Depth 2.3900 mm [T] Cuttin

Key Specifications

Brand	Kennametal
Model	NG3M220RK
Grade	KCU25
Coating	tin
Workpiece Materials	Steel, Cast Iron, Non-ferrous
Application	General Turning
Geometry	Chipbreaker k
Quantity	1 PCS

Grade KCU25 Performance Profile

Operators running steel, cast iron, non-ferrous with the Kennametal KCU25 typically report stable wear progression rather than catastrophic edge loss. The tin system is the reason: it slows abrasion at the rake face while keeping the substrate from softening at the cutting zone.

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 Turning of steel, cast iron, non-ferrous in production CNC lines
Suitable for both wet and dry machining conditions
CNC lathe and machining center compatible
Effective in interrupted and continuous cutting passes

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 NG3M220RK KCU25 Carbide Grooving/Parting Insert | Steel, Cast Iron, Non-ferrous

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