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Threading Taps |
 Cast aluminium alloys Si>10%short-chipping |
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DIN 371  A142A AC142A DL142A |
DIN 376 - 374 - 5156  A142 AC142 DL142 |
COATING    |
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 ≤ 2 x d1  |
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Machine tap with 15º right-hand spiral flutes. Lead chamfer 2.5 threads (DIN-Form C). Rake angle 14º÷16º. |
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