Whitworthův závit BSW, BSF
Whitworthův závit se označuje písmenem W a vnějším průměrem závitu v palcích (například W 1/4"). Profil závitu je určen vrcholovým úhlem 55°
Stoupání se vyjadřuje v počtu závitů na palec délky.
Whitwortův hrubý závit BSW - British standard Whitworth
Rozměr |
Standartní stoupání |
Počet závitů na palec |
Průměr D velký |
Průměr D2 střední |
Průměr D1 malý |
Díra pro závit |
1/16" |
0.423 |
60 |
- |
1.315 |
1.315 |
1.5 |
3/32" |
0.529 |
48 |
2.381 |
2.041 |
2.041 |
1.9 |
1/8" |
0.635 |
40 |
3.175 |
2.768 |
2.768 |
2.5 |
5/32" |
0.793 |
32 |
3.969 |
3.459 |
3.459 |
3.2 |
3/16" |
1.058 |
24 |
4.762 |
4.084 |
4.084 |
3.7 |
7/32" |
1.058 |
24 |
5.556 |
4.878 |
4.878 |
4.5 |
1/4" |
1.270 |
20 |
6.350 |
5.537 |
5.537 |
5.1 |
5/16" |
1.411 |
18 |
7.938 |
7.034 |
7.034 |
6.5 |
3/8" |
1.588 |
16 |
9.525 |
8.509 |
8.509 |
7.9 |
7/16" |
1.814 |
14 |
11.113 |
9.951 |
9.951 |
9.2 |
1/2" |
2.117 |
12 |
12.700 |
11.345 |
11.345 |
10.4 |
9/16" |
2.117 |
12 |
14.290 |
12.930 |
12.930 |
11.89 |
5/8" |
2.309 |
11 |
15.876 |
14.397 |
14.397 |
13.40 |
3/4" |
2.540 |
10 |
19.051 |
17.424 |
17.424 |
16.25 |
7/8" |
2.822 |
9 |
22.226 |
20.419 |
20.419 |
19.25 |
1" |
3.175 |
8 |
25.400 |
23.368 |
23.368 |
22.00 |
1 1/8" |
3.629 |
7 |
28.576 |
26.253 |
26.253 |
24.50 |
1 1/4" |
3.629 |
7 |
31.751 |
29.428 |
29.428 |
27.25 |
1 3/8" |
4.233 |
6 |
34.926 |
32.215 |
32.215 |
30.25 |
1 1/2" |
4.233 |
6 |
38.100 |
35.391 |
35.391 |
33.50 |
1 5/8" |
5.080 |
5 |
41.277 |
38.024 |
34.771 |
35.50 |
1 3/4" |
5.080 |
5 |
44.452 |
41.199 |
37.946 |
38.50 |
1 7/8" |
5.645 |
4.5 |
47.627 |
44.012 |
40.398 |
41.25 |
2" |
5.645 |
4.5 |
50.802 |
47.187 |
43.573 |
44.50 |
2 1/4" |
6.350 |
4 |
57.152 |
53.086 |
49.020 |
50.00 |
2 1/2" |
6.350 |
4 |
63.502 |
59.436 |
55.370 |
56.00 |
2 3/4" |
7.257 |
3.5 |
69.853 |
65.205 |
60.558 |
61.50 |
3" |
7.257 |
3.5 |
76.203 |
71.556 |
66.909 |
68.00 |
3 1/4" |
7.816 |
3.25 |
82.553 |
77.548 |
72.544 |
73.75 |
3 1/2" |
7.816 |
3.25 |
88.903 |
83.899 |
78.894 |
80.00 |
3 3/4" |
8.467 |
3.000 |
95.254 |
89.832 |
84.410 |
85.50 |
4" |
8.467 |
3.000 |
101.604 |
96.182 |
90.760 |
92.00 |
4 1/4" |
8.835 |
2.875 |
107.954 |
102.297 |
96.639 |
98.00 |
4 1/2" |
8.835 |
2.875 |
114.304 |
108.647 |
102.990 |
104.20 |
4 3/4" |
9.237 |
2.75 |
120.665 |
114.740 |
108.625 |
110.00 |
5" |
9.237 |
2.75 |
127.005 |
121.090 |
115.176 |
116.50 |
5 1/4" |
9.677 |
2.65 |
133.355 |
127.159 |
120.963 |
122.50 |
5 1/2" |
9.677 |
2.65 |
139.705 |
133.509 |
127.313 |
128.50 |
5 3/4" |
10.160 |
2.5 |
146.055 |
139.549 |
133.043 |
134.50 |
6" |
10.160 |
2.5 |
152.406 |
145.900 |
139.394 |
141.00 |
Whitwortův jemný závit BSF - British Standard Fine Thread
Rozměr |
Standartní stoupání |
Počet závitů na palec |
1/4 |
6,35 |
26 |
5/16 |
7,95 |
22 |
3/8 |
9,5 |
20 |
7/16 |
11,1 |
18 |
1/2 |
12,7 |
16 |
9/16 |
14,3 |
16 |
5/8 |
15,9 |
14 |
3/4 |
19,05 |
12 |
7/8 |
22,2 |
11 |
1.IN |
25,4 |
10 |