사 양(단위:mm)
| Type |
A |
B |
D1 |
D2 |
H |
D |
칠각 大
S.K.B |
27 |
25 |
33 |
M12*1.75, 10*1.5, 8*1.25 |
15,20,25,30,35,40,50
60,70,80,90,100,110,120 |
77 |
| 27 |
25 |
33 |
IN3/8*16, 5/16*18 |
15,20,27,40,52,65,77,90,115 |
77 |
칠각 中
S.K.B |
20 |
20 |
25 |
M12*1.75, 10*1.5,
M8*1.25 |
15,20,25,30,40,50
60,70,80,90,100 |
56 |
| 20 |
20 |
25 |
IN3/8*16, 5/16*18,
1/4*20 |
15,20,27,40,52,65,77,90
15,20,27,40,52,65,77,90 |
56 |
칠각 小
S.K.B |
17 |
18 |
22 |
M10*1.5, 8*125,
6*1.0 |
15,20,25,30,35,40,50,60,70,80,90 |
47 |
| 17 |
18 |
22 |
IN3/8*16, 5/16*18,
1/4*20 |
15,20,27,40,52,65,77,90 |
47 |
|
