progressive tap, from M5 with lubricating grooves, HSS-E, metric ISO-thread, right thread, Tolerance field ISO2 / 6H, forme of taper lead B (3.5-5.5 x P), cylinder shank with square piece, number of teeth 2-3 Power class N For long-chipping materials with a tensile strength of Rm > 350...1000 N/mm2. Length of taper lead: M1...M2: 2.5 x P M2.5...M12: 4 x P Hole Type: through holes < 1.5 x d. Designs: M1...M1.4: N330-3, reinforced shaft, DIN 371, Tolerance field ISO1 / 4H M1.6...M2: N330-3, reinforced shaft, DIN 371, Tolerance field ISO2 / 6H M2.5...M6: N330-4, reinforced shaft, DIN 371, Tolerance field ISO2 / 6H M8...M12: N430-4, falling through shaft, DIN 376, Tolerance field ISO2 / 6H
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