LNGX130712R-L55 WKP35S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating and the WKP35S grade for durable performance in steel and cast-iron milling; the rectangular geometry with an L55 chipbreaker and a 1.2 mm corner radius ensures consistent chip control and stable cutting. Order the insert directly via Metav Werkzeuge or request application advice from our consultants.

LNGX130712R-L55 WKP35S rectangular milling insert – Tiger·tec Silver, negative 0° rake (Walter Tools)

A LNGX130712R-L55 WKP35S indexable milling insert designed for productive machining of steel and cast iron with a Tiger·tec Silver coated carbide grade.

• Tiger·tec Silver coated carbide for long life
• Optimised L55 chipbreaker for controllable chips
• Rectangular geometry with 1.2 mm corner radius
• Negative 0° rake for stable, heavy cutting

Long-lasting grade for demanding steel and cast-iron work

The insert is built around the WKP35S coated-carbide grade within the Tiger·tec Silver series, developed to manage the typical heat generation and wear patterns associated with machining steel and cast iron. This composition promotes stable flank wear and a predictable flank-life curve, which translates into fewer unscheduled tool changes and higher uptime on production lines. The coated substrate improves resistance to abrasive wear while maintaining edge integrity during interrupted cuts. Where repeatability and cycle-time are critical, this insert provides a consistent baseline performance for shops running mixed steel and cast-iron batches.

Stability and chip control for higher productivity

Featuring a negative 0° rake and an L55 chipbreaker, the insert is optimised for stable engagement and effective chip formation under moderate to heavy cutting conditions. The rectangular form and 1.2 mm corner radius support robust corner life, reduce the risk of chipping in axial and radial encounters, and help maintain dimensional accuracy during extended runs. The chipbreaker geometry encourages short, manageable chips when cutting cast iron and smoother, curl-controlled chips when machining steel, simplifying swarf management and reducing downtime for clearing.

Integration into tool systems and predictable tolerance

Manufactured to tolerance class G with the designation LNGX130712R-L55, the insert fits standard clamping systems for this form factor and allows straightforward indexing during regrinds or replacements. The catalogue-grade specification and consistent coating process enable predictable tool-life calculations and process planning. For operations seeking to scale throughput without sacrificing surface integrity, the combination of geometry and grade makes the insert a reliable element in tool packs aimed at medium to high material removal rates.

Practical application advice and recommended use cases

This insert suits production environments that prioritise process security and repeatable part quality: general-purpose milling of shafts, housings and heavy components in steel and cast iron; slotting and shoulder work where chip control is essential; and mixed-production cells where a single grade across materials reduces tooling complexity. When selecting cutting parameters, favour the negative-rake strategy for interrupted cuts or tough contact scenarios; for finishing passes, moderate feeds paired with the insert’s radius support improved surface finish. For bespoke suggestions on cutting data and toolholder compatibility, consult the supplier.

Contact Metav Werkzeuge for application advice, availability and a personalised quotation via info@metav-werkzeuge.com or +49 2822 7131930.

Technical data

• Article number: LNGX130712R-L55-WKP35S-WALTER
• Name: Fräswendeschneidplatte LNGX130712R-L55 WKP35S
• Manufacturer: Walter Tools
• Product type: Fräswendeschneidplatte
• Series: Tiger-tec Silver
• Grade: WKP35S

Core specifications

• Free rake: 0° (negative)
• Corner radius: 1.2 mm
• Plate form: Rectangular
• Plate size: 13
• Plate thickness: 07
• Chipbreaker: L55
• Tolerance class: G
• Material groups: P / K

Materials & special features

• Coating: Tiger·tec Silver (coated carbide)
• Main application: Steel and cast iron
• Designation: LNGX130712R-L55
• Series information: Tiger·tec Silver; WKP35S is a coated-carbide grade
• Suitability: optimized for typical steel and cast-iron chip formation

FAQ

What materials is this insert suitable for?
The LNGX130712R-L55 WKP35S insert is designed primarily for steel (P) and cast iron (K) applications, reflecting the capabilities of the WKP35S grade within the Tiger·tec Silver series.

How does the L55 chipbreaker affect machining?
The L55 chipbreaker promotes controlled chip formation for both steel and cast iron, reducing long, stringy swarf and helping to maintain stable cutting forces during milling with the Walter Tools insert.

What does the negative 0° rake mean in practice?
A negative 0° rake gives the insert greater edge strength and resistance to impact and heavy radial loads, making it suitable for interrupted cuts and roughing operations where stability is a priority.

Can this insert be used in finishing passes?
Yes, the rectangular geometry and 1.2 mm corner radius can support finishing passes when combined with appropriate feed and speed settings, delivering consistent surface quality in many industrial applications.

Is the Tiger·tec Silver coating beneficial for tool life?
The Tiger·tec Silver coating enhances wear resistance and edge stability, often extending tool life compared with uncoated grades, particularly in mixed steel and cast-iron production environments.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

Protected trademarks and trade names belong to their respective owners. Brand names and registered trademarks are mentioned for explanatory purposes only; there is no affiliation between our company and the named brands. The offered item is an original, brand-new product from the manufacturer Walter Tools. The Walter AG (brand appearance: Walter Tools) is part of the Sandvik group.