Pre-drilling for roll taps?

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Voorboren bij roltappen kleine afbeelding

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The pre-drill diameter for a roll tap is different from that for a cutting tap.
With roll tapping, the thread is not cut but formed by material deformation.
Because of this chipless process, the pre-drill diameter is larger than that for a regular cutting tap.

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Tips & Tricks

Domein

Phantom

Van Ommen

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Roltappen voorboordiameter en boortabel. Handige formule berekening. Ontdek hoe.

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Roltappen voorboren, Roltappen voorboordiameter, roltappen tabel, welke maat voorboren

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voorboren-roltappen

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