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  • M1.6
  • M2
  • M2.5
  • M3
  • (M3.5)
  • M4
  • M5
  • M6
  • M8
  • M10
  • M12
  • (M14)
  • M16
  • (M18)
  • M20
  • (M22)
  • M24
  • (M27)
  • M30
  • (M33)
  • M36
  • (M39)
  • M42
  • (M45)
  • M48
  • (M52)
  • M56
  • (M60)
  • M64

39

  • 12
  • 16
ISO 4014 - 2011 Hexagon Head Bolts—Product Grades A And B
Thread Size
d
M1.6
P Pitch
b 125<L≤200
L>200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max
k Nominal Size
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min
s max=nominal size
Grade A min
Grade B min
0.35
15
28
0.25
0.1
2
1.6
1.46
1.35
2.27
2.3
3.41
3.28
0.6
1.1
1.225
0.975
1.3
0.9
0.68
0.63
0.1
3.2
3.02
2.9
Thread Lengthb
9