10 www.magito.tech MASCHI A MANO UNF P 60° HSS 2181 ≈DIN 2B C 2-3 N SM200UNF Hand tap MASCHI A MANO P1.1 Structural steels <500N/mm2 P1.2 Plain cast steels <500N/mm2 P2.1 Free-cutting steels <800N/mm2 P2.2 Structural steels <800N/mm2 P2.3 Plain cast steels <800N/mm2 K6.1 Grey cast iron K6.2 Spher. graphite and mall. cast iron N8.1 Aluminium alloys Si<10% N8.2 Aluminium alloys Si>10% N10.1 Short chipping copper alloys Condizioni di taglio / Cutting conditions / Vc d1 tpi l1 l2 d2 a z € UNF No.5 44 40 10 3,5 2,7 3 2,7 ● 45,40 UNF No.6 40 45 11 4 3 3 3 ● 45,40 UNF No.8 36 45 12 4,5 3,4 3 3,5 ● 43,81 UNF No.10 32 50 14 6 4,9 3 4,1 ● 45,40 UNF No.12 28 56 16 6 4,9 3 4,65 ● 48,35 UNF 1/4 28 56 16 6 4,9 3 5,5 ● 48,35 UNF 5/16 24 63 18 6 4,9 3 6,9 ● 52,92 UNF 3/8 24 63 18 7 5,5 3 8,5 ● 57,74 UNF 7/16 20 70 20 8 6,2 3 9,9 ● 72,97 UNF 1/2 20 70 20 9 7 3 11,5 ● 78,26 UNF 9/16 18 70 20 11 9 3 12,9 ● 114,34 UNF 5/8 18 70 20 12 9 3 14,5 ● 105,80 UNF 3/4 16 80 22 14 11 4 17,5 ● 149,65 UNF 7/8 14 80 22 18 14,5 4 20,5 ● 170,71 UNF 1 12 80 22 18 14,5 4 23,25 ● 239,98
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