Tiêu chuẩn tương đương : CSN 021326; PN 82402; UNI 5735;
b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
r - radius
ds - diameter of the screw shank
dk - head diameter
f - height squared
v - width of the square
Steel: 3.6,4.6
Stainless: -
Plastic: -
Non Ferrous: -
Thread: 8g
Đơn vị tính mm
Thread d | M10 | M12 | ||||
P | 1,5 | 1,75 | ||||
b | 26 | 30 | ||||
dk | max. | 19,65 | 24,65 | |||
min. | 18,35 | 23,35 | ||||
ds | max. | 10 | 12 | |||
min. | 9,42 | 11,3 | ||||
f | max. | 8,45 | 11,05 | |||
min. | 7,55 | 9,95 | ||||
r | max. | 1,5 | 1,8 | |||
v | max. | 10,58 | 12,7 | |||
min. | 9,42 | 11,3 | ||||
l | ls | lg | ls | lg | ||
nominal | min. | max. | min. | max. | min. | max. |
25 | 23,95 | 26,05 | - | 16 | - | |
30 | 28,95 | 31,05 | - | 16 | - | 20 |
35 | 33,75 | 36,25 | - | 16 | - | 20 |
40 | 38,75 | 41,25 | - | 16 | - | 20 |
45 | 43,75 | 46,25 | 11,5 | 19 | - | 20 |
50 | 48,75 | 51,25 | 16,5 | 24 | - | 20 |
Thread d | M10 | M12 |
l | Weight kg/1000pcs | |
25 | 18,2 | |
30 | 20,7 | 33 |
35 | 23,2 | 36,6 |
40 | 25,7 | 40,2 |
45 | 28,8 | 43,8 |
50 | 31,9 | 48,2 |