硬质合金丝锥系列-惠氏螺纹丝锥
|
螺纹代号 |
每25.4mm上牙数 |
公称直径 d |
螺距 p |
d1 |
l |
L |
l1 |
方头 |
|
|
a |
l2 |
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|
1/8-40BSW |
40 |
3.175 |
0.635 |
3.15 |
11 |
48 |
7 |
2.50 |
5 |
|
3/16-24BSW |
24 |
4.762 |
1.058 |
5.00 |
16 |
58 |
9 |
4.00 |
7 |
|
1/4-20BSW |
20 |
6.350 |
1.270 |
6.30 |
19 |
66 |
11 |
5.00 |
8 |
|
5/16-18BSW |
18 |
7.938 |
1.411 |
8.00 |
22 |
72 |
13 |
6.30 |
9 |
|
3/8-16BSW |
16 |
9.525 |
1.588 |
10.00 |
24 |
80 |
15 |
8.00 |
11 |
|
注：无空刀槽时螺纹部分长度尺度为l+l 1/2 |
|||||||||
|
螺纹代号 |
每25.4mm上牙数 |
公称直径 d |
螺距 p |
d1 |
l |
L |
l1 |
方头 |
|
|
a |
l2 |
||||||||
|
3/16-32BSF |
32 |
4.762 |
0.794 |
5.00 |
16 |
58 |
9 |
4.00 |
7 |
|
7/32-28BSF |
28 |
5.556 |
0.907 |
5.60 |
17 |
62 |
9 |
4.50 |
7 |
|
1/4-26BSF |
26 |
6.350 |
0.977 |
6.30 |
19 |
66 |
11 |
5.00 |
8 |
|
9/32-26BSF |
26 |
7.144 |
0.977 |
7.10 |
19 |
66 |
11 |
5.60 |
8 |
|
5/16-22BSF |
22 |
7.938 |
1.154 |
8.00 |
22 |
72 |
13 |
6.30 |
9 |
|
3/8-20BSF |
20 |
9.525 |
1.270 |
10.00 |
24 |
80 |
15 |
6.00 |
11 |
|
注：无空刀槽时螺纹部分长度尺度为l+l 1/2 |
|||||||||
