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Threading Taps |
 Heat treated and heat-resistant steelsRm < 1.000 N/mm² |
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DIN 371  684A T684A A684A |
DIN 376 - 374 - 5156  684 T684 A684 |
COATING    |
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  ≤ 3 x d1  |
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MACHINE TAP WITH INTERNAL COOLANT FEED AND RADIAL EXIT Facilitates chip evacuation and improves cooling in cutting area. With spiral point, driving the chips ahead. Lead chamfer 4-5 threads (DIN-Form B). Rake angle 8º÷10º measured int the 3rd thread. |
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