Original Kennametal CNMG543RP KCU25 Carbide Turning Insert – Diamond 80° | Steel KCU25B CNMG543RP KCU25B

Name: Original Kennametal CNMG543RP KCU25 Carbide Turning Insert - Diamond 80° | Steel KCU25B CNMG543RP KCU25B
Brand: Kennametal
SKU: CNMG543RP KCU25B
Price: 38.51 USD
Availability: InStock
Rating: 4.5 (63 reviews)

Brand: Kennametal

$38.51

★★★★⯨ 4.5 (63 reviews)

Turning Insert: CNMG543RP KCU25B, Carbide – KCU25B, TiSiN, AlTiSiN & AlTiN Finish, Neutral, 80.00 deg C – Diamond (Rhombic) 80-Deg, Series CNMG-RP

500 in stock

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Specifications
Brand	Kennametal
Part No. (MPN)	CNMG543RP
Grade	KCU25B
Type	Carbide Insert
Shape	Diamond 80°
Suitable Material	Steel
Category	Insert

Kennametal CNMG543RP KCU25 – Turning Carbide Insert

The Kennametal CNMG543RP turning carbide insert, featuring a KCU25 grade and tin coating, excels in rough machining applications on steel workpieces, where its rhombic 80° diamond shape and neutral geometry enable aggressive material removal rates. With a TiSiN, AlTiSiN, and AlTiN finish, this insert is well-suited for withstanding the high stresses and temperatures associated with heavy roughing operations. Its robust KCU25 carbide substrate and tin coating provide a balance of toughness and wear resistance, making it an ideal choice for CNC operators seeking to maximize metal removal while maintaining tool life.

What machinists are saying about CNMG543RP: Find Turning Insert: CNMG543RP KCU25, Carbide at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years CNMG543RP KCU25 KEN 4050463 Retail Price: $43.81 Price: $26.52 Manufacturer Kennametal Link to Mfr eCatalog – + (min 5) Add to cart Add to wishlist Email a friend Precision and Power in Every Cut KCU25B upgrades Kennametal's existin

Key Specifications

Brand	Kennametal
Model	CNMG543RP
Grade	KCU25
Coating	tin
Insert Shape	Diamond 80°
Clearance Angle	0°
Workpiece Materials	Steel
Application	Rough Machining
Geometry	Chipbreaker rp
Quantity	1 PCS

Grade KCU25 Performance Profile

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

Recommended Applications

Rough Machining of steel in production CNC lines
Suitable for both wet and dry machining conditions
Effective in interrupted and continuous cutting passes
CNC lathe and machining center compatible

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.

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	0.1 kg
Dimensions	18 × 15 × 4 cm

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Original Kennametal CNMG543RP KCU25 Carbide Turning Insert – Diamond 80° | Steel KCU25B CNMG543RP KCU25B

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