W1901002

1046 • L’EXPERT de l’INJECTION V01 Guide technique Table des filetages UNC-UNF Taraudage Taraud Ø nominal NC NF Ø Ø perçage 2B 3B en " en mm en " en mm en " en mm Min. théorique Max. 2B [microns] Max. 3B [microns] Min. Max. 2B Max. 3B n°1 1,854 64 0,397 1,598 +65 +47 1,425 1,582 1,582 GH2 GH1 72 0,353 1,626 +63 +47 1,474 1,612 1,612 n°2 2,184 56 0,454 1,89 +70 +53 1,695 1,871 1,871 64 0,397 1,928 +68 +50 1,756 1,912 1,912 n°3 2,514 48 0,529 2,172 +75 +55 1,941 2,146 2,146 56 0,454 2,22 +71 +53 2,025 2,197 2,197 n°4 2,844 40 0,635 2,434 +83 +60 2,157 2,385 2,385 GH2 48 0,529 2,502 +78 +58 2,271 2,458 2,458 GH1 n°5 3,175 40 0,635 2,764 +83 +63 2,487 2,697 2,697 GH2 44 0,577 2,800 +80 +60 2,551 2,74 2,740 GH1 n°6 3,505 32 0,794 2,990 +93 +68 2,642 2,895 2,895 GH3 GH2 40 0,635 3,094 +86 +63 2,820 3,022 3,012 GH2 n°8 4,165 32 0,794 3,650 +96 +71 3,302 3,53 3,528 GH3 36 0,706 3,709 +90 +67 3,404 3,606 3,596 GH2 n°10 4,826 24 1,058 4,138 +108 +80 3,683 3,962 3,949 GH3 GH3 32 0,794 4,311 +98 +73 3,963 4,165 4,165 GH2 n°12 5,486 24 1,058 4,799 +110 +82 4,344 4,597 4,589 GH3 28 0,907 4,897 +105 +77 4,496 4,724 4,716 1/4 6,350 20 1,27 5,525 +123 +90 4,979 5,257 5,25 GH5 28 0,907 5,761 +108 +81 5,360 5,588 5,562 GH4 5/16 7,937 18 1,411 7,021 +134 +98 6,401 6,731 6,68 GH5 24 1,058 7,250 +121 +90 6,782 7,035 6,995 GH4 3/8 9,525 16 1,588 8,494 +144 +108 7,798 8,153 8,082 GH5 24 1,058 8,837 +124 +93 8,382 8,636 8,564 GH4 7/16 11,112 14 1,814 9,934 +154 +116 9,144 9,55 9,441 GH5 20 1,270 10,287 +137 +104 9,729 10,033 9,946 1/2 12,700 13 1,954 11,430 +165 +121 10,592 11,023 10,881 20 1,270 11,875 +141 +106 11,329 11,607 11,523 9/16 14,287 12 2,117 12,914 +172 +128 11,989 12,446 12,301 18 1,411 13,371 +149 +11 12,751 13,081 12,969 5/8 15,875 11 2,309 14,377 +182 +136 13,386 13,868 13,693 18 1,411 14,959 +151 +113 17,351 14,681 14,554 3/4 19,05 10 2,540 17,399 +195 +144 16,307 16,84 16,624 GH5 16 1,588 18,019 +164 +124 17,323 17,678 17,546 GH3 7/8 22,225 9 2,822 20,392 +207 +154 19,177 19,761 19,509 GH6 GH4 14 1,814 21,047 +177 +134 20,270 20,675 20,492 GH5 1 25,400 8 3,175 23,338 +223 +167 21,971 22,606 22,344 GH6 Tarauds Limite des tolérances par rapport au théorique en microns GH1 + 0 + 12 GH4 + 38 + 50 GH2 + 12 + 25 GH5 + 50 + 63 GH3 + 25 + 38 GH6 + 63 +76 • Pas en mm = 25,4 / nombre de filets • H = 0,866 P • Ø flanc Ø = D-0,65 P