Overview:
Similar to the countersunk head screw, the nail head is embedded in the machine part, and the connection strength is high, but the screw must be installed and disassembled with an Allen wrench of the corresponding specification. Generally used in various machine tools and their accessories.
Keywords:
Detail
DETAILS DESCRIPTION
|
Screw Thread d |
M1.6 |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
|
|
P |
Pitch |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
|
b |
15 |
16 |
17 |
18 |
20 |
22 |
24 |
28 |
32 |
36 |
|
|
dk |
max(For plain head) |
3 |
3.8 |
4.5 |
5.5 |
7 |
8.5 |
10 |
13 |
16 |
18 |
|
max(For knurled heads) |
3.14 |
3.98 |
4.68 |
5.68 |
7.22 |
8.72 |
10.22 |
13.27 |
16.27 |
18.27 |
|
|
min |
2.86 |
3.62 |
4.32 |
5.32 |
6.78 |
8.28 |
9.78 |
12.73 |
15.73 |
17.73 |
|
|
ds |
max |
1.60 |
2.00 |
2.50 |
3.00 |
4.00 |
5.00 |
6.00 |
8.00 |
10.00 |
12.00 |
|
min |
1.46 |
1.86 |
2.36 |
2.86 |
3.82 |
4.82 |
5.82 |
7.78 |
9.78 |
11.73 |
|
|
k |
max |
1.60 |
2.00 |
2.50 |
3.00 |
4.00 |
5.00 |
6.00 |
8.00 |
10.00 |
12.00 |
|
min |
1.46 |
1.86 |
2.36 |
2.86 |
3.82 |
4.82 |
5.7 |
7.64 |
9.64 |
11.57 |
|
|
s |
Nominal Size |
1.5 |
1.5 |
2 |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
|
Max( grade 12.9) |
1.545 |
1.545 |
2.045 |
2.56 |
3.071 |
4.084 |
5.084 |
6.095 |
8.115 |
10.115 |
|
|
max(other performance levels) |
1.560 |
1.560 |
2.060 |
2.580 |
3.080 |
4.095 |
5.140 |
6.140 |
8.175 |
10.175 |
|
|
min |
1.520 |
1.520 |
2.020 |
2.52 |
3.020 |
4.020 |
5.020 |
6.020 |
8.025 |
10.025 |
|
|
t |
min |
0.7 |
1 |
1.1 |
1.3 |
2 |
2.5 |
3 |
4 |
5 |
6 |
|
Screw Thread d |
M14 |
M16 |
M20 |
M24 |
M30 |
M36 |
M42 |
M48 |
M56 |
M64 |
|
|
P |
Pitch |
2 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
|
b |
40 |
44 |
52 |
60 |
72 |
84 |
96 |
106 |
124 |
140 |
|
|
dk |
max(For plain head) |
21 |
24 |
30 |
36 |
45 |
54 |
63 |
72 |
84 |
96 |
|
max(For knurled heads) |
21.33 |
24.33 |
30.33 |
36.39 |
45.39 |
54.46 |
63.46 |
72.46 |
84.54 |
96.54 |
|
|
min |
20.67 |
23.67 |
29.67 |
35.61 |
44.61 |
53.54 |
62.54 |
71.54 |
83.46 |
95.46 |
|
|
ds |
max |
14 |
16 |
20 |
24 |
30 |
36 |
42 |
48 |
56 |
64 |
|
min |
13.73 |
15.73 |
19.67 |
23.67 |
29.67 |
35.61 |
41.61 |
47.61 |
55.54 |
63.54 |
|
|
k |
max |
14 |
16 |
20 |
24 |
30 |
36 |
42 |
48 |
56 |
64 |
|
min |
13.57 |
15.57 |
19.48 |
23.48 |
29.48 |
35.38 |
41.38 |
47.38 |
55.26 |
63.26 |
|
|
s |
Nominal Size |
12 |
14 |
17 |
19 |
22 |
27 |
32 |
36 |
41 |
46 |
|
Max( grade 12.9) |
12.142 |
14.142 |
17.230 |
19.275 |
22.275 |
27.275 |
/ |
/ |
/ |
/ |
|
|
max(other performance levels) |
12.212 |
14.212 |
17.23 |
19.275 |
22.275 |
27.275 |
32.33 |
36.33 |
41.33 |
46.33 |
|
|
min |
12.032 |
14.032 |
17.050 |
19.065 |
22.065 |
27.065 |
32.080 |
36.080 |
41.080 |
46.080 |
|
|
t |
min |
7 |
8 |
10 |
12 |
15.5 |
19 |
24 |
28 |
34 |
38 |
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