ANSI/ASME B 18.2.5M - 2009 12-Point Flange Head Screws (12.9 / ASTM F468M)


Unit: mm
美标ANSI/ASME B18.2.5M - 2009 ANSI/ASME18. 12-Point Flange Head Screws (12.9 / ASTM F468M)
Thread Size
d
M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36
P Pitch
ds max
min
dc max
min
dk min
h max
min
k max
min
0.8 1 1.25 1.5 1.75 2 2 2.5 3 3.5 4
5.00 6.00 8.00 10.00 12.00 14.00 16.00 20.00 24.00 30.00 36.00
4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67 23.67 29.67 35.61
8.72 10.22 13.27 16.27 18.27 21.33 24.33 30.33 36.39 45.39 54.46
8.27 9.77 12.72 15.69 17.67 20.67 23.62 29.55 35.52 44.52 52.75
5.60 6.70 9.00 11.20 13.50 15.80 18.00 22.50 27.00 33.80 40.50
2.25 2.70 3.60 4.50 5.40 6.30 7.20 9.00 10.80 13.50 16.20
2.00 2.45 3.35 4.13 5.03 5.93 6.83 8.50 10.30 13.00 15.60
5.00 6.00 8.00 10.00 12.00 14.00 16.00 20.00 24.00 30.00 36.00
4.88 5.82 7.78 9.78 11.73 13.73 15.73 19.67 23.67 29.67 35.57
Alternative history
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Material: carbon steel,copper,Stainless steel; Surface treatment: according to customers' requirements; Grade: 4.8, 8.8, 10.9, 12.9; Nominal diameter: M3-M20; Nominal length: 5-300mm
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