Original Iscar IC428 Carbide Insert | Steel, Cast Iron CNMA 643 CNMA 643 IC428

Name: Original Iscar IC428 Carbide Insert | Steel, Cast Iron CNMA 643 CNMA 643 IC428
Brand: Iscar
SKU: CNMA 643 IC428
Rating: 4.6 (11 reviews)

Brand: Iscar

$44.30

★★★★⯨ 4.6 (11 reviews)

Buy original Iscar IC428 (CNMA 643 IC428) Carbide Insert for steel, cast iron machining. CVD coating. From $44.3. Free shipping. Genuine Iscar product.

500 in stock

Need a different quantity, brand or specification?Send us the part number — typical reply time: a few hours.

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Iscar IC428 – Carbide Insert

The Iscar IC428 carbide insert excels in finish machining applications on steel and cast iron workpieces, with its CVD coating of TiC+Al2O3 providing a strong, wear-resistant layer that minimizes flank wear and cratering. This 80° diamond-shaped insert, with a 0.047″ radius and 1/4″ thickness, is well-suited for turning and boring operations where a sharp, precise edge is required to achieve the desired surface finish. In particular, the IC428 grade and CVD coating combination is optimized for machining at moderate to high speeds, making it an ideal choice for CNC operators seeking to improve the efficiency and accuracy of their finish machining processes.

Industry references for Iscar IC428: Find Turning Insert: CNMA 643 IC-428, Carbide at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years A hard substrate with multilayer CVD coating. Recommended for machining gray and nodular cast iron at moderate to high cutting speeds. ISCAR 5500094 – CNMA 643 IC428, 80° Diamond, Indexable Carbide Turning / Boring Insert Item # 19-168-0

Key Specifications

Brand	Iscar
Model	IC428
Coating	CVD
Workpiece Materials	Steel, Cast Iron
Application	Finish Machining
Quantity	1 PCS

Features & Benefits

100% Genuine Iscar – Original product with full quality guarantee, traceable batch.
Ready Stock – In-stock for same-day dispatch from our CNC tooling warehouse.
Precision Ground – Tight dimensional tolerances for repeatable performance across batches.
Edge Stability – Substrate chemistry tuned to limit micro-chipping on steel, cast iron interruptions.
Thermal Resistance – cvd 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
Holds dimensional tolerance over multiple indexings (insert)
Designed for shop conditions typical of Iscar tooling users worldwide
Pairs well with through-coolant setups for chip evacuation

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 Iscar tooling on a new material.

Tip: Match this insert to a holder whose seat matches the ISO designation. If you’re unsure, send us the holder model and we’ll confirm compatibility before shipping.

Weight	5.9 kg
Dimensions	15 × 18 × 4 cm

SKU: CNMA 643 IC428 Category: Insert Brand: Iscar

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