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Threading Taps |
 Steels with good machinabilityRm < 750 N/mm² (101,500 PSI), Nodular graphite, Malleable cast iron |
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DIN 371  105A |
DIN 376 - 374 - 5156  105 |
COATING  |
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  ≤ 1½ x d1  |
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| Machine tap with straight flutes. Chamfer lead 2.5 threads (DIN-Form C). Rake angle 12º÷14º. |
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