Gibraltar products catalog2021

With the roll taps of our DURAMAX-family, we offer you a comprehensive and high-performing catalogue assortment ranging from M1 to M48 as well as an additional standard program with dimensions up to M64x6. Due to innovative tool geometries, we can also realize pitches of 6 mm, such like the M64x6.

Gibraltar products catalogpdf

Did you know that roll tap, roll forming tap, rolling tap, roll form tap, thread former, cold-forming tap and even laminating tap all stand for the same tool? We stick to the widest used name: the roll tap.

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The size of the bore hole diameter defines the extent of material deformation and thereby the minor diameter of the internal thread. The  bore hole diameters in our catalogue are approximative. We recommend to select the most suitable drill size by additional tool testing.

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Roll tapping stands out as a clean and therefore chipless manufacturing process. As forming tools, they use the processed material’s flowing properties to form the internal thread.

Each of our DURAMAX-types is perfectly suitable for the machining of both through and blind holes up to 3xd. The chipless thread forming process ensures a high process reliability even for large thread depths.

During the thread forming process, especially with minimum quantity lubrication (MQL), small material particles are moving out of the ridge of the furrow. These particles contaminate both the tool and the part. As a result, tool life decreases, making necessary a subsequent component cleaning.

Our roll taps belong to the most powerful products for internal thread machining worldwide. This makes us proud. In the last decades and also in the future we want to be an innovation driver in this market segment.  A symbol for this are the approximately 40 thread types that our customers have successfully roll formed, including round, trapezoidal and buttress threads.

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Through intensive engineering work and series of testing, we have developed a groove form that is revolutionary and patented – the multi-groove. Its special geometry removes contaminants already during the manufacturing process. Both tool and part henceforth come out clean. The tool life of the threading tool, compared to a traditional groove form, can be increased by up to 30 %.

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