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Click Specification

Unit:mm

Aerospace - Bolts, Normal Spline Head, Normal or Pitch Diameter Shank, Long Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa

ISO 9254 - 1993

Display drawing:

国际ISO 9254 - 1993 ISO9254 9254ISO Aerospace - Bolts, Normal Spline Head, Normal or Pitch Diameter Shank, Long Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa
Thread Size
MJ4 MJ5 MJ6 MJ7 MJ8 MJ10 MJ12
Code
P Pitch
ds Normal max
min
Pitch diameter Nominal Size
max
min
d2 max
min=nominal size
d3 Nominal Size
max
min
dk min
dc max
d1 max
min=nominal size
c min
k max=nominal size
min
L2 max
b
L Nominal Size tol. ±0.3
L1
R1 max
min
s max
min=nominal size
T min
wrenching dash number
040 050 060 070 080 100 120
0.7 0.8 1 1 1 1.25 1.25
4 5 6 7 8 10 12
3.88 4.88 5.88 6.85 7.85 9.85 11.82
3.54 4.48 5.35 6.35 7.35 9.19 11.19
3.67 4.61 5.48 6.48 7.48 9.32 11.32
3.41 4.35 5.22 6.22 7.22 9.06 11.06
/ 3.7 4.6 5.4 5.7 7.2 8.5
/ 3.2 4.1 4.9 5.2 6.7 8
3 3.4 4.2 5.2 6.2 7.9 9.8
3 3.9 4.7 5.7 6.7 8.4 10.3
2.5 2.9 3.7 4.7 5.7 7.4 9.3
6 7 8 9 10 12 14
8.3 9.1 10.6 12.1 13.6 16.7 19.9
1.14 1.14 1.54 1.54 1.54 1.74 1.74
1 1 1.4 1.4 1.4 1.6 1.6
0.8 1 1.2 1.4 1.6 2 2.4
5.5 6.5 7.5 8.2 8.6 10.1 11.4
5.02 5.92 6.92 7.62 8.02 9.4 10.7
2 4 4 4 4 6 6
14 16 18 20 22 26 30
16 ~ 56 20 ~ 70 22 ~ 84 24 ~ 98 26 ~ 112 32 ~ 140 36 ~ 168
3.5 4.5 5.2 5.9 6.3 7.7 8.8
0.4 0.5 0.7 0.7 0.7 0.8 0.9
0.2 0.3 0.5 0.5 0.5 0.6 0.6
/ 2.9 3.2 3.7 4.1 5.1 6
/ 2.5 2.8 3.3 3.7 4.7 5.6
2.5 2.8 3.5 3.8 3.9 4.2 4.5
060 070 080 090 100 120 140
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