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Twist Drill

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The new GT500 twist drill has been especially designed for the machining of high tensile steels and is produced in highly efficient PM-steel. By combining the advantages of high speed steel drills with those of solid carbide drills, it closes the gap that has existed for the machining of medium tensile steels and medium batch sizes.

High heat-resistant drill with wide chip space. Suitable for drilling alloyed and unalloyed steel and casting with tensile strengths of over 800 N/mm2. Particularly suitable for drilling hot and cold-rolled steels, anti-friction bearing steel, high alloyed steels as well as case hardening and heat-treatable steels. Well suited for drilling depths greater than 3 x D (nitrided lands and wide flutes).

Twist Drill

Twist Drill

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wist Drill RT100U is suitable for the drilling of long and short chipping materials such as structural and case hardened steels, cast steels, heat-treatable steels and alloyed steels with a tensile strength of up to app. 1200 N/mm2, including carbon steels, bronze, cast iron and high-alloyed AlSi-alloys.

Highest speed and feed rates possible. High alignment accuracy with small diameter tolerance and excellent surface finish. Excellent self-centering qualities as well as producing short chips thanks to a concave cutting point geometry with special point geometry and web thinning.

Pre-conditions for use

Powerful machines, no play in spindle bearings, alignment accurate tool holders. Max. concentricity error of clamped tools: 0.02mm. Chatterfree, mechanical feeds.
Ratio drills with internal cooling are also available with straight shank but without whistle notch flats for the application in hydraulic chucks.

Twist Drill

Twist Drill

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Twist Drill RT150GG is straight-fluted, solid tungsten carbide, particularly suitable for the machining of short-chipping materials, such as cast iron and AlSi. Optimal alignment accuracy. Permits approx. 8 regrinds.
This carbide twist drill is designed for the drilling of short-chipping materials such as cast iron, grey cast iron, spheroidal graphite and malleable cast iron. Al-alloys with high Si content.
For the production of holes with high alignment accuracy (minimal deviation from straightness). This solid carbide twist drill straight flute is available bright or with TiN coating, A-coating and FIRE coating.
The twist cutting tools have extremely good self-centering an excellent surface finish. High cutting rates offer high productivity.
Diameter range(mm) of RT150GG is available from 4,00 up to 16,00. Drilling Depth is up to 10 x D.

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