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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  112A T112A |
DIN 376 - 374 - 5156  112 T112 |
COATING   |
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  ≤ 3 x d1  |
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Machine tap with 38º right-hand spiral flutes, driving the chips to the back. Threaded length: 10 threads. Starting from the 5th thread, back tapered thread portion to reduce friction and improve swarf clearance. Chamfer lead 2.5 threads (DIN-Form C). Rake angle 12º÷14º. |
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