29 www.magito.tech LINEAR UNC P 60° HSSE 371 ≈DIN 2BX C 2-3 40° VA BIXUC40BK OX Machine tap with right-hand spiral flutes 40° MASCHI A MACCHINA CON TAGLIENTI ELICOIDALI DESTRI 40° P3.1 Case hardened and nitriding steels 3-5 P3.3 Tool steels M5.1 Stainless steels 450-800N/mm2 4-7 M5.2 Stainless steels 600-1000N/mm2 3-5 K6.2 Spher. graphite and mall. cast iron N9.1 Pure copper N10.2 Long chipping copper alloys Condizioni di taglio / Cutting conditions / Vc d1 P l1 l2 d2 a z € UNC No.5 40 56 5 3,5 2,7 3 2,6 ● 28,54 UNC No.6 32 56 7 4 3 3 2,85 ● 23,68 UNC No.8 32 63 7 4,5 3,4 3 3,5 ● 24,32 UNC No.10 24 70 8 6 4,9 3 3,9 ● 25,95 UNC No.12 24 80 10 6 4,9 3 4,5 ● 28,86 UNC 1/4 20 80 10 7 5,5 3 5,2 ● 28,86 UNC 5/16 18 90 13 8 6,2 3 6,6 ● 30,81 UNC 3/8 16 90 15 9 7 3 8 ● 36,65
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