SPMT 090308 NS9530 Wendeplatten - Tungaloy

Take advantage of the combination of precise finishing on steel, low cutting forces and straightforward insert replacement to keep drilling operations productive and consistent. Order the SPMT090308 NS9530 indexable insert directly via Metav Werkzeuge or request tailored application advice from our consultants.

SPMT090308 NS9530 indexable insert for drilling — Tungaloy

SPMT090308 NS9530 is an indexable drilling insert designed for fine finishing in steel; square geometry and a central hole with countersink ensure secure clamping in compatible drill systems

• SPMT geometry 090308 for drilling applications
• NS9530 uncoated cermet for fine finishing
• Square insert with 0.8 mm corner radius
• Central hole with cylindrical bore and countersink

High-precision finishing for steel components

The insert uses the NS9530 grade, an uncoated cermet optimised for finishing steel where a sharp cutting edge and low cutting forces are decisive. This composition yields a stable micro-edge that supports continuous cutting and small depths of cut, so the result is a consistently improved surface finish and reduced need for secondary machining. The combination of cermet and the specified geometry makes the component particularly suitable when tight dimensional tolerances and fine surfaces are required after drilling.

Geometry and system integration that limits downtime

Designed to the ISO designation 090308, the square SPMT form provides four usable cutting corners and a compact profile that suits confined bores. The insert features a 0.8 mm corner radius and an effective relief angle of 11°, which balance edge strength with the need for low cutting forces in finishing passes. A central cylindrical bore with a single-sided countersink (40°–60°) secures the insert in the drill body; typical system components comprise the drill body, matching insert, clamping screw and assembly key, enabling fast replacement and reproducible seating for predictable tool life.

Operational advantages: repeatability, chip control and economy

With a one-sided chipbreaker and carbide substrate, the insert promotes controlled chip formation during drilling, reducing interruptions and keeping cycle times steady. The square format and four available corners contribute to cost-effective use, while the thin 3.18 mm plate thickness supports accurate positioning in pocketed drill bodies. For production environments that favour predictable surface quality and stable process windows, this insert offers a practical route to higher throughput without sacrificing finish. The modest cutting forces associated with the geometry also reduce toolholder and spindle stress, supporting longer assembly service intervals.

For application-specific recommendations, availability or to request a compatibility check for the Tungaloy SPMT090308 NS9530 indexable insert, contact Metav Werkzeuge by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Manufacturer article number: 6998505
• SKU: 6998505-Tungaloy
• Model series: Bohrwendeschneidplatten
• Intended use: Drilling
• Material: Carbide

Data

• ISO designation: 090308
• Insert size: 09
• Plate thickness: 3.18 mm
• Corner radius: 0.8 mm
• Relief angle: 11°
• Countersink angle: 40°–60°
• Included hole: cylindrical bore with single-sided countersink

Special features

• Grade: NS9530 (uncoated cermet)
• Plate shape: square
• Chipbreaker: one-sided
• Application focus: finishing of steel, continuous cutting, small depths of cut
• System components: drill body, matching insert, clamping screw and key

FAQ

What materials is this insert best suited for?
The Tungaloy SPMT090308 NS9530 indexable insert is optimised for steel finishing; the NS9530 cermet provides a sharp, wear-resistant edge suited to continuous cutting and small depths of cut in steel.

How is the insert secured in the drilling system?
The insert is located by a central cylindrical bore with a single-sided countersink (40°–60°) and clamped with a matching screw; the system requires a compatible drill body, clamping screw and key for correct assembly.

What is the corner radius and why does it matter?
The corner radius is 0.8 mm, which helps to balance edge strength and precision: it supports a fine surface finish while offering sufficient toughness for finishing passes.

Is the cutting grade coated?
No, the NS9530 grade used for this insert is uncoated cermet, chosen for its high-quality finishing characteristics and stable cutting edge on steel.

Can this insert be used for roughing operations?
This insert is specified as a finishing grade; while it may be used in light machining, it is not optimised for heavy roughing where larger depths of cut and interrupted cuts demand more robust geometries.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.