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Tungaloy AH9130 Extends Life in ISO P, M and K Applications

Tungaloy’s AH9130 insert grade for its DrillForce-Meister line of exchangeable-head drills enhances tool life and wear-pattern predictability for ISO P, M and K hole-making applications.

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A press image of Tungaloy's DrillForce-Meister, with three inserts next to the drill head

Tungaloy has added the AH9130 insert grade to its DrillForce-Meister line of exchangeable-head drills for hole diameters ranging from 20.0 mm to 41.0 mm (.787" to 1.614").

The company developed AH9130, which consists of a PVD coating layer with a drilling-optimized dedicated carbide substrate, to provide tool life improvements, process security enhancements and more predictable wear patterns in hole-making applications of ISO P (steel), M (stainless steel) and K (cast iron). Tungaloy has released 17 SMP-style inserts in this latest grade, covering diameters from 20.0 mm to 35.0 mm (.787" to 1.378").

Tungaloy’s DrillForce-Meister incorporates a unique exchangeable drill head the company designed to efficiently open large-diameter holes ranging from 20.0 mm to 41.0 mm (.787" to 1.614") at a lower cost. The unique drill head features an asymmetric V bottom which is fully supported in a matching pocket of the drill body, providing accurate edge position repeatability and secure insert retention. Large contact surfaces of the drill head and pocket provide strong support, helping the drill head withstand heavy cutting loads in aggressive drilling operations. The drill body’s flutes provide smooth chip control and evacuation in various materials.

Company representatives say DrillForce-Meister all but eliminates the need for regrinding and recoating, reducing the amount of tool float inventory kept and avoiding machine downtime. These changes minimize the overall cost per hole in high-volume production lines. The company also says that exchanging a new drill head guarantees the drill's dimensional stability and tool life predictability, helping it meet workpieces’ required finished dimensions.

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