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Metric Machine Screws -
Flathead screw with six lobe

STM41
Flathead screw with six lobe

identical to ISO14581
similar to ISO14581 / DIN965 + TX / DIN7991
Flathead screw with six lobe, , STM41
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Range of Production Dimensions

Range of Production top

nominal-Ø (mm) 1.60 2.00 2.50 3.00 3.50 4.00 5.00 6.00 8.00
  • in Stock
  • available within 4 weeks
  • ≥ 6 weeks delivery time
Length (mm)
5.0
B E S
B E S
6.0
B E S
B E S
B E S
B E S
7.0
B E S
B E S
B E S
E
8.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B E S
10.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
12.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
14.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
15.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
16.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
18.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
20.0
B E S
B E S
B E S
B E S
B E S
B E S
B E S
B S
22.0
B E S
B E S
B E S
B E S
B E S
B E S
B S
25.0
B E S
B E S
B E S
B E S
B E S
B E S
B S
30.0
B E S
B E S
B E S
B E S
B E S
B S
35.0
B E S
B E S
B E S
B E S
B E S
B S
40.0
B S
B E S
B E S
B E S
B S
45.0
B S
E
B E S
B S
50.0
B S
B E
B E S
B E S
B S
55.0
E S
B S
B E S
B S
60.0
B E S
B S
65.0
B S
B S
70.0
B S
B S
75.0
B S
80.0
B S
100.0
B S
Hint
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Dimensions top

STM41
d1 1.60 2.00 2.50 3.00 3.50 4.00 5.00 6.00 8.00
p 0.35 0.40 0.45 0.50 0.60 0.70 0.80 1.00 1.25
D 3.35 -0.30 3.80 -0.30 4.70 -0.30 5.50 -0.30 7.30 -0.36 8.40 -0.36 9.30 -0.36 11.30 -0.43 15.80 -0.43
C 0.35 0.35 0.55 0.55 0.65 0.70 0.75 0.85 0.95
Drive T5 T6 T8 T10 T15 T20 T25 T30 T45
t 0.51 - 0.64 0.51 - 0.64 0.66 - 0.79 0.70 - 0.83 1.16 - 1.32 1.14 - 1.53 1.12 - 1.51 1.39 - 1.78 2.15 - 2.54