Techniques d’application 12 Tableaux des filetages Filetage cylindrique pour tubes DIN ISO 228-1 Filetage G1/8 G1/4 G3/8 G1/2 G5/8 G3/4 G7/8 G1 G11⁄8 G1¼ G13⁄8 G1½ G1¾ G2 Ø de filetage mm 9,728 13,157 16,662 20,955 22,911 26,441 30,201 33,249 37,897 41,910 44,323 47,803 53,746 59,614 Ø de noyau mm 8,566 11,445 14,950 18,631 20,587 24,117 27,877 30,291 34,939 38,852 41,365 44,845 50,788 56,656 Nbre de filets sur 1" (=25,4 mm) 28 19 19 14 14 14 14 11 11 11 11 11 11 11 Filetage G2¼ G23⁄8 G2½ G2¾ G3 G3¼ G3½ G3¾ G4 G4½ G5 G5½ G6 Ø de filetage mm 65,710 69,390 75,184 81,534 87,884 93,980 100,330 106,680 113,030 125,730 138,430 151,130 163,830 Ø de noyau mm 62,752 66,440 72,226 78,577 84,926 91,022 97,372 103,722 110,072 122,772 135,472 148,172 160,872 Nbre de filets sur 1" (=25,4 mm) 11 11 11 11 11 11 11 11 11 11 11 11 11 Filetage conique Whitworth pour tubes DIN EN 10226-1 (ISO 7/1) Rp-R BS 21(BSP-BSPT) Filetage R1/8 R1/4 R3/8 R1/2 R5/8 R3/4 R7/8 R1 R11⁄8 R1¼ R13⁄8 R1½ R1¾ R2 Ø de filetage mm 9,728 13,157 16,662 20,955 22,911 26,441 30,201 33,249 37,897 41,910 44,323 47,803 53,746 59,614 Ø de noyau mm 8,566 11,445 14,950 18,631 20,587 24,117 27,877 30,291 34,939 38,852 41,365 44,845 50,788 56,656 Nbre de filets sur 1" (=25,4 mm) 28 19 19 14 14 14 14 11 11 11 11 11 11 11 Filetage R2¼ R23⁄8 R2½ R2¾ R3 R3¼ R3½ R3¾ R4 R4½ R5 R5½ R6 Ø de filetage mm 65,710 69,390 75,184 81,534 87,884 93,980 100,330 106,680 113,030 125,730 138,430 151,130 163,830 Ø de noyau mm 62,752 66,440 72,226 78,577 84,926 91,022 97,372 103,722 110,072 122,772 135,472 148,172 160,872 Nbre de filets sur 1" (=25,4 mm) 11 11 11 11 11 11 11 11 11 11 11 11 11 12 228 Catalogue principal GEKA®
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