EPGT 040100 SH725 Wendeplatten - Tungaloy

Optimise turning performance with the combination of the tough, edge‑stable SH725 coated carbide and the ISO‑standard rhombic form for consistent results and extended tool life. Benefit from reliable chip control and straightforward integration into ISO tooling systems — order directly via Metav Werkzeuge or request application advice from our consultants.

EPGT 040100 SH725 – ISO turning insert, rhombic, 75° | Tungaloy

The EPGT040100 SH725 is an ISO‑standard rhombic turning insert engineered for external and internal turning under variable engagement conditions.

• Coated carbide grade SH725
• Rhombic insert, 75° cutting angle
• 11° clearance for stable cutting
• Cylindrical hole with 40°–60° countersink

Consistent edge stability for reliable production

The SH725 grade is a coated carbide designed for toughness and edge stability, which translates into dependable tool life when machining under fluctuating loads or with smaller tool geometries. The combination of the coating and substrate improves wear resistance without sacrificing the toughness required to resist chipping during interrupted cuts. For production environments where repeatability matters, this results in fewer insert changes, reduced downtime and a more consistent surface finish — all key factors in maintaining throughput and reducing overall machining cost.

Seamless integration into ISO tooling systems

Compatibility with holder systems is determined by the insert’s form, clearance angle, tolerance class, attachment method, size and thickness; the rhombic shape and ISO designation ensure straightforward interchangeability in standard indexable toolholders. The 11° clearance angle and the 75° main cutting angle support a balance of strength and accessibility, making the insert suitable for diverse clamping options. Clear specification of these dimensions simplifies tool selection and helps to ensure optimal clamping and concentricity in typical lathe setups.

Controlled chip formation and adaptability

A single‑sided chipbreaker on this insert promotes predictable chip control, which reduces the risk of chip entanglement and improves surface integrity. Chipbreaker selection should match the workpiece material and machine rigidity; the SH725 grade performs well in conditions with variable engagement, where maintaining a stable cutting edge is essential. Good chip control not only improves operator safety but also supports automated or lights‑out operations by lowering the likelihood of stoppages due to poor chip evacuation.

Practical guidance for application and selection

The insert’s 1.59 mm thickness and ISO size 04 offer a compact solution that nevertheless provides sufficient edge support for many turning tasks. When selecting parameters, prioritise toolholder rigidity and correct seat tolerance to fully exploit the insert’s properties. The cylindrical hole with a 40°–60° single‑side countersink ensures secure fastening in many clamping systems. For best results, match the chipbreaker style and cutting data to the workpiece material and machine dynamics; small changes in feed or entry angle can materially extend life and improve finish.

For dependable, repeatable turning with Tungaloy’s SH725 grade, contact Metav Werkzeuge for availability and application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6737278-Tungaloy
• Manufacturer SKU: TUN6737278
• Manufacturer article number: 6737278
• Model series: ISO turning insert series
• Material: carbide
• Brand: Tungaloy

Core specifications

• Cutting angle: 75°
• Clearance angle: 11°
• Thickness: 1.59 mm
• Size designation: 04
• Hole: with hole
• Countersink angle: 40°–60°

Features & applications

• Coated carbide grade SH725
• Rhombic insert profile
• Single‑sided chipbreaker
• Cylindrical hole with single‑side countersink
• Compatible with ISO turning holders
• Intended for external and internal turning
• System composition: ISO insert, suitable external holder or boring bar, support/clamping set and replacement screws

FAQ

What machining tasks is this insert best suited to?
The EPGT040100 SH725 insert is intended for external and internal turning where a tough, edge‑stable grade is required, particularly in smaller tool geometries or where engagement conditions vary.

Which holders are compatible with this insert?
Compatibility depends on matching the insert’s form, clearance angle, tolerance class, attachment method, size and thickness to the holder; the ISO designation of the EPGT040100 SH725 supports use in standard ISO indexable turning holders.

How does the chipbreaker affect performance?
The single‑sided chipbreaker on the insert improves chip control and evacuation; when combined with the SH725 grade this reduces chip-related interruptions and supports a more consistent surface finish.

Can the insert be used for interrupted cuts or variable engagement?
Yes, the SH725 coated carbide is formulated for edge stability and toughness, making the insert suitable for applications with interrupted cuts or fluctuating engagement conditions.

What role does the insert thickness play?
The 1.59 mm thickness contributes to insert rigidity and edge support; in compact toolholders this thickness balances strength with the ability to reach constrained 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.