Original Kennametal DNMA443 Carbide Turning Insert – Diamond 55° | Steel, Cast Iron KCK20B DNMA443 KCK20B

Name: Original Kennametal DNMA443 Carbide Turning Insert - Diamond 55° | Steel, Cast Iron KCK20B DNMA443 KCK20B
Brand: Kennametal
SKU: DNMA443 KCK20B
Price: 53.92 USD
Availability: InStock
Rating: 4.6 (8 reviews)

Brand: Kennametal

$53.92

★★★★⯨ 4.6 (8 reviews)

Turning Insert: DNMA443 KCK20B, Carbide – KCK20B, TiCN, Al2O3 & TiOCN Finish, Neutral, 15.50 mm Long, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series KENLOC

500 in stock

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Specifications
Brand	Kennametal
Part No. (MPN)	DNMA443
Grade	KCK20B
Type	Carbide Insert
Shape	Diamond 55°
Suitable Material	Steel
Category	Insert

Kennametal DNMA443 – Turning Carbide Insert

The Kennametal DNMA443 turning carbide insert excels in finish machining applications on steel and cast iron workpieces, with its tin coating providing a strong balance between wear resistance and toughness. Its 55° diamond shape allows for precise control and minimal vibration, making it well-suited for neutral turning operations where surface finish and dimensional accuracy are critical. With a combination of TiCN, Al2O3, and TiOCN in its substrate, this insert is capable of maintaining its cutting edge even in demanding environments, making it a reliable choice for high-precision machining tasks.

What machinists are saying about DNMA443: Find Turning Insert: DNMA443 KCK20, Carbide at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years The KCK20B grade is specifically engineered to maximize coating adhesion and edge strength making this grade ideal in wet interrupted cutting of gray and ductile irons. It can be used in a wide range of applications from finishing to rough

Key Specifications

Brand	Kennametal
Model	DNMA443
Coating	tin
Insert Shape	Diamond 55°
Clearance Angle	0°
Workpiece Materials	Steel, Cast Iron
Application	Finish Machining
Quantity	1 PCS

Features & Benefits

100% Genuine Kennametal – Original product with full quality guarantee, traceable batch.
Precision Ground – Tight dimensional tolerances for repeatable performance across batches.
Ready Stock – In-stock for same-day dispatch from our CNC tooling warehouse.
Professional CNC Tooling – Compatible with major CNC machine brands (Mazak, DMG, Haas, Doosan).
Thermal Resistance – tin layer holds hardness above typical cutting-zone temperatures.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

Finish Machining of steel, cast iron in production CNC lines
Performs across a range of cutting speeds and feed rates
Suitable for both wet and dry machining conditions
CNC lathe and machining center compatible

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.

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	18 × 15 × 4 cm

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Original Kennametal DNMA443 Carbide Turning Insert – Diamond 55° | Steel, Cast Iron KCK20B DNMA443 KCK20B

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