硬質(zhì)合金絲錐系列-惠氏螺紋絲錐
螺紋代號 |
每25.4mm上牙數(shù) |
公稱直徑 d |
螺距 p |
d1 |
l |
L |
l1 |
方頭 |
|
a |
l2 |
||||||||
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:無空刀槽時螺紋部分長度尺度為l+l 1/2 |
螺紋代號 |
每25.4mm上牙數(shù) |
公稱直徑 d |
螺距 p |
d1 |
l |
L |
l1 |
方頭 |
|
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:無空刀槽時螺紋部分長度尺度為l+l 1/2 |