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(Non-preferred) dimensions in parentheses.

Cross recessed Countersunk head screws

IS 7485 - 1985 (R2001)

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印标IS 7485 - 1985 (R2001) IS7485 7485IS Cross recessed Countersunk head screws
印标IS 7485 - 1985 (R2001) IS7485 7485IS Cross recessed Countersunk head screws
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
b min
dk theory max
actual max=nominal size
min
k max=nominal size
r max
Socket No.
m Ref.
Penetration depth min
max
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
25 25 25 25 38 38 38 38 38 38
3.6 4.4 5.5 6.3 8.2 9.4 10.4 12.6 17.3 20
3.0 3.8 4.7 5.5 7.30 8.40 9.30 11.30 15.80 18.30
2.7 3.5 4.4 5.2 6.9 8 8.9 10.9 15.4 17.8
1 1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
0.4 0.5 0.6 0.8 0.9 1 1.3 1.5 2 2.5
0 0 1 1 2 2 2 3 4 4
1.6 1.9 2.9 3.2 4.4 4.6 5.2 6.8 8.9 10
0.6 0.9 1.4 1.7 1.9 2.1 2.7 3 4 5.1
0.9 1.2 1.8 2.1 2.4 2.6 3.2 3.5 4.6 5.7
Length of Thread b
- - - - - - - - - -

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