頭部型式
|
Ⅰ
|
d2(k6)
|
20
|
25
|
40
|
50
|
70
|
80
|
95
|
130
|
150
|
I1
|
30
|
40
|
50
|
60
|
80
|
80
|
90
|
120
|
140
|
||
Ⅱ
|
d4
|
M22×1.5-6g
|
M30×2-6g
|
M42×2-6g
|
M48×2-6g
|
M70×3-6g
|
M80×3-6g
|
M95×3-6g
|
M130×4-6g
|
M150×4-6g
|
|
I3
|
|
39
|
50
|
60
|
63
|
80
|
90
|
120
|
140
|