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（3）Proper stroke for POP Nut
・ Confirm stroke ( S
workpiece thickness used.
Formula of stroke
Thread size
Maximum
1.2+(N-t)
M3×0.5
M4×0.7
1.6+(N-t)
M5×0.8
2.0+(N-t)
2.4+(N-t)
M6×1.0
M8
2.4+(N-t)
*
×
1.25RLT
2.8+(N-t)
M8×1.25
M10×1.5
3.0+(N-t)
*M8×1.25RLT shows M8 steel RLT types.
M4, M5 and M6 steel RLT types are the same stroke as standard types.
-t (Maximum stroke − Workpiece thickness) graph
max.
Ｓ
, S
max.
min.
Minimum
stroke: S
stroke: S
max
Max
Ｓ
Max
Ｓ
Max
Ｓ
Max
Ｓ
Max
Ｓ
Ｓ
Max
Max
Ｓ
Workpiece thickness
, E) corresponding to the POP Nut and the
・ Adjust the stroke E and adjust
proper stroke (S
Stroke without
workpiece:Ｅ
min
-0.2
Max
Ｓ
-0.3
Max
Ｓ
-0.3
Max
Ｓ
-0.4
Max
Ｓ
-0.4
Max
Ｓ
-0.4
Ｓ
Max
-0.4
Max
Ｓ
9
min.
max.
−S
t：workpiece thickness
+0.1
Ｎ ： 1/10 of the last
+0.1
two digit of the part
+0.1
number
+0.2
+0.2
(Example)
625：25/10=2.5
+0.2
+0.2
Use
the
stroke for POP Nuts
that are not indicated in
S
-t graph.
max.
POP Nut No.（Example）
６２５
Maximum
thickness: 2.5mm
Thread size: M6×1.0
PNT800
).
formula
of
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