Seco Jetstream M-Clamp Toolholders Boost Tool Life 30%

Extended tool life Seco launches M-Clamp toolholders for tougher machining tasks

2026-04-16 Source: Seco Tools (UK) 1 min Reading Time

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Seco targets demanding machining applications with a new generation of Jetstream Tooling M-Clamp toolholders. The system combines targeted high-pressure coolant delivery, double clamping security and additively manufactured clamp design to improve chip control, extend tool life and stabilise machining in difficult materials.

Jetstream Tooling M-Clamp toolholders for large inserts(Source: Seco) — Jetstream Tooling M-Clamp toolholders for large inserts
(Source: Seco)

Cutting tool manufacturer Seco introduces Jetstream Tooling M-Clamp toolholders for large inserts, featuring targeted high-pressure coolant delivery, double clamping security, and innovative 3D-printed clamps. Designed for demanding machining, the high-pressure coolant through the Jeti M-Clamp system delivers longer tool life, superior chip control, and smoother finishes even in tough materials.

By integrating high-pressure coolant directly through a 3D-printed clamp and a secondary Duo Jet outlet, the M-Clamp toolholder system ensures optimal temperature control at the cutting zone. This targeted approach extends tool life by at least 30 percent, improves chip control, and delivers superior surface finishes, even when working with stainless steel and superalloys.

The robust, additively manufactured (AM) clamp is positioned at a safe distance from the cutting edge, maximizing security and resisting chip hammering which is a common cause of clamp wear and instability. This means fewer replacements, less downtime, and a more consistent machining process.

For the first time, double clamping security is available for both negative and round positive inserts. The addition of a center-lock screw together with the top clamp ensures improved stability and rotational security, reducing insert movement and boosting reliability in challenging conditions.

Efficiency is further enhanced by the Jeti M-Clamp’s twist function and shared key slot design, allowing for faster insert changes and easier indexing, minimizing downtime and maximizing productivity. Customization is also at the forefront: thanks to 3D printing, AM clamps can be tailored to meet unique machining requirements, offering flexibility that traditional clamps cannot match.

“Our goal with the Jetstream Tooling M-Clamp was to solve the real challenges machinists face, such as unreliable coolant delivery, clamp wear, and time-consuming insert changes,” says Fredrik Samuelsson, Global Product Manager ISO Toolholders. “And we achieved it.”

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