| |
| |
| กกFlat Countersunk Head Wood Screws |
| |
| |
| Thread size |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
| dk |
4.7 |
5.6 |
6.5 |
7.5 |
8.3 |
9.2 |
10.2 |
11 |
| k |
1.5 |
1.65 |
1.93 |
2.2 |
2.35 |
2.5 |
2.75 |
3 |
CROSS
RECESS |
(Type H)m |
2.7 |
2.9 |
3.9 |
4.4 |
4.6 |
4.8 |
6.2 |
6.6 |
| (Type Z)m |
2.8 |
3 |
4 |
4.2 |
4.4 |
5 |
6.1 |
6.3 |
| No. |
1 |
1 |
2 |
2 |
2 |
3 |
3 |
3 |
| L |
10-20 |
10-40 |
10-45 |
12-60 |
16-60 |
16-80 |
20-80 |
20-80 |
|
 :90กใ |
| |
| กกCross Recessed Countersunk Head Wood Screws |
| |
| ANSI/ASME B18.6.1 1981 IFI J-37กก(F-57) |
| inches |
|
| Thread size |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| dk |
0.171 |
0.195 |
0.220 |
0.244 |
0.268 |
0.292 |
0.316 |
0.340 |
| k |
0.059 |
0.067 |
0.075 |
0.083 |
0.091 |
0.100 |
0.108 |
0.116 |
| m |
0.094 |
0.115 |
0.141 |
0.161 |
0.176 |
0.191 |
0.201 |
0.245 |
| Cross recess No. |
1 |
1 |
2 |
2 |
2 |
2 |
2 |
3 |
| L |
1/2-5/8 |
1/2-1 |
1/2-1 |
1/2-2 |
3/4-2 |
3/4-2 |
3/4-3 |
3/4-3 |
|
| :80กใ82กใ |
| |
| กกCross Recessed Countersunk Head Wood Screws |
| |
| |
| Thread size |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| dk |
4.55 |
5.21 |
5.90 |
6.56 |
7.24 |
7.93 |
8.59 |
9.28 |
| k |
1.39 |
1.62 |
1.88 |
2.08 |
2.31 |
2.54 |
2.76 |
2.97 |
| (Type Z)m |
2.51 |
2.74 |
3.50 |
4.22 |
4.22 |
4.60 |
4.60 |
4.98 |
| Cross recess No. |
1 |
1 |
2 |
2 |
2 |
2 |
2 |
2 |
| L |
1/2-5/8 |
1/2-1 |
1/2-1 |
1/2-2 |
3/4-2 |
3/4-2 |
3/4-3 |
3/4-3 |
|
| :90กใ |
