MARYLAND METRICS
THREAD DATA CHARTS

METRIC THREAD -- Aerospace threads MJ

BOLT Figure 1   iso5855a

Limit dimensions for 4h6h threads for boltsDimensions in millimetres
  Major diameter Pitch diameter Minor diameter
  d d2 d3
Thread designation     Td     Td2     Td3
  max. min. (6h) a max. min. (4h) a max. min.  
MJ1,6 x 0,35-4h6h 1,600 1,515 0,085 1,373 1,333 0,04 1,196 1,135 0,061
MJ2 x 0,4-4h6h 2,000 1,905 0,095 1,740 1,698 0,042 1,538 1,472 0,066
MJ2,5 x 0,45-4h6h 2,5 2,4 0,1 2,208 2,163 0,045 1,980 1,908 0,072
MJ3 x 0,5-4h6h 3,000 2,894 0,106 2,675 2,627 0,048 2,423 2,345 0,078
MJ3,5 x 0,6-4h6h 3,500 3,375 0,125 3,110 3,057 0,053 2,807 2,718 0,089
MJ4 x 0,7-4h6h 4,00 3,86 0,14 3,545 3,489 0,056 3,192 3,094 0,098
MJ5 x 0,8-4h6h 5,00 4,85 0,15 4,48 4,42 0,06 4,076 3,968 0,108
MJ6 x 1-4h6h 6,00 5,82 0,18 5,350 5,279 0,071 4,845 4,713 0,132
MJ7 x 1-4h6h 7,00 6,82 0,18 6,350 6,279 0,071 5,845 5,713 0,132
MJ8 x 1-4h6h 8,00 7,82 0,18 7,350 7,279 0,071 6,845 6,713 0,132
MJ10 x 1,25-4h6h 10,000 9,788 0,212 9,188 9,113 0,075 8,557 8,406 0,151
MJ12 x 1,25-4h6h 12,000 11,788 0,212 11,188 11,103 0,085 10,557 10,396 0,161
MJ14 x 1,5-4h6h 14,000 13,764 0,236 13,026 12,936 0,09 12,268 12,087 0,181
MJ16 x 1,5-4h6h 16,000 15,764 0,236 15,026 14,936 0,09 14,268 14,087 0,181
MJ18 x 1,5-4h6h 18,000 17,764 0,236 17,026 16,936 0,09 16,268 16,087 0,181
MJ20 x 1,5-4h6h 20,000 19,764 0,236 19,026 18,936 0,09 18,268 18,087 0,181
MJ22 x 1,5-4h6h 22,000 21,764 0,236 21,026 20,936 0,09 20,268 20,087 0,181
MJ24 x 2-4h6h 24,00 23,72 0,28 22,701 22,595 0,106 21,691 21,464 0,227
MJ27 x 2-4h6h 27,00 26,72 0,28 25,701 25,595 0,106 24,691 24,464 0,227
MJ30 x 2-4h6h 30,00 29,72 0,28 28,701 28,595 0,106 27,691 27,464 0,227
MJ33 x 2-4h6h 33,00 32,72 0,28 31,701 31,595 0,106 30,691 30,464 0,227
MJ36 x 2-4h6h 36,00 35,72 0,28 34,701 34,595 0,106 33,691 33,464 0,227
MJ39 x 2-4h6h 39,00 38,72 0,28 37,701 37,595 0,106 36,691 36,464 0,227
a In accordance with ISO 965-1


NUT Figure 2   iso5855a

Limit dimensions of 4H6H threads for nuts of diameter MJ1,6 to MJ5
and limit dimensions of 4H5H threads for nuts of diameter MJ6 to MJ39 Dimensions in millimetres
  Major Pitch diameter Minor diameter
  D3 a D2 D1
Thread designation       TD2     TD1
  max. max. min. (4H) b max. min. (6H) b (5H) b
MJ1,6 x 0,35-4H6H 1,704 1,426 1,373 0,053 1,359 1,259 0,1  
MJ2 x 0,4-4H6H 2,114 1,796 1,740 0,056 1,722 1,610 0,112  
MJ2,5 x 0,45-4H6H 2,625 2,268 2,208 0,06 2,187 2,062 0,125  
MJ3 x 0,5-4H6H 3,135 2,738 2,675 0,063 2,653 2,513 0,14  
MJ3,5 x 0,6-4H6H 3,658 3,181 3,110 0,071 3,075 2,915 0,16  
MJ4 x 0,7-4H6H 4,176 3,620 3,545 0,075 3,498 3,318 0,18  
MJ5 x 0,8-4H6H 5,195 4,56 4,48 0,08 4,421 4,221 0,2  
MJ6 x 1-4H5H 6,239 5,445 5,350 0,095 5,216 5,026   0,19
MJ7 x 1-4H5H 7,239 6,445 6,350 0,095 6,216 6,026   0,19
MJ8 x 1-4H5H 8,239 7,445 7,350 0,095 7,216 7,026   0,19
MJ10 x 1,25-4H5H 10,28 9,288 9,188 0,1 8,994 8,782   0,212
MJ12 x 1,25-4H5H 12,292 11,300 11,188 0,112 10,994 10,782   0,212
MJ14 x 1,5-4H5H 14,335 13,144 13,026 0,118 12,775 12,539   0,236
MJ16 x 1,5-4H5H 16,335 15,144 15,026 0,118 14,775 14,539   0,236
MJ18 x 1,5-4H5H 18,335 17,144 17,026 0,118 16,775 16,539   0,236
MJ20 x 1,5-4H5H 20,335 19,144 19,026 0,118 18,775 18,539   0,236
MJ22 x 1,5-4H5H 22,335 21,144 21,026 0,118 20,775 20,539   0,236
MJ24 x 2-4H5H 24,429 22,841 22,701 0,14 22,351 22,051   0,3
MJ27 x 2-4H5H 27,429 25,841 25,701 0,14 25,351 25,051   0,3
MJ30 x 2-4H5H 30,429 28,841 28,701 0,14 28,351 28,051   0,3
MJ33 x 2-4H5H 33,429 31,841 31,701 0,14 31,351 31,051   0,3
MJ36 x 2-4H5H 36,429 34,841 34,701 0,14 34,351 34,051   0,3
MJ39 x 2-4H5H 39,429 37,841 37,701 0,14 37,351 37,051   0,3
a D3 min. is not specified. However, it shall be greater than D (see Figure 2).
b In accordance with ISO 965-1 filnam:mj6.xls ver gg05e

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