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| JIS | 
  自攻螺丝規格表 | 
| 公称尺寸 | 
T1.2 | 
T1.4 | 
T1.6 | 
T1.7 | 
T2.0 | 
T2.3 | 
T2.5 | 
T2.6 | 
T3.0 | 
T3.5 | 
T4.0 | 
T4.5 | 
T5.0 | 
| 螺纹尾形 | 
AB | 
AB | 
AB | 
AB | 
AB | 
AB | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
| B | 
B | 
B | 
B | 
B.BT | 
B.BT | 
B.BT | 
B | 
B | 
B | 
B | 
B | 
B | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
BT | 
BT | 
BT | 
BT | 
BT | 
BT | 
| 每寸扣数 | 
T.P.I | 
64 | 
56 | 
48 | 
48 | 
40 | 
32 | 
28 | 
28 | 
24 | 
18 | 
20 | 
16 | 
18 | 
14 | 
16 | 
12 | 
16 | 
| 外径 | 
最大(mm) | 
1.2 | 
1.4 | 
1.6 | 
1.7 | 
2 | 
2.3 | 
2.5 | 
2.7 | 
2.6 | 
3.1 | 
3 | 
3.65 | 
3.5 | 
4.15 | 
4 | 
4.65 | 
4.5 | 
5.2 | 
5 | 
| 最小(mm) | 
1.15 | 
1.35 | 
1.52 | 
1.62 | 
1.9 | 
2.2 | 
2.4 | 
2.6 | 
2.5 | 
3 | 
2.9 | 
3.5 | 
3.4 | 
4 | 
3.85 | 
4.5 | 
4.35 | 
5 | 
4.85 | 
| 内径 | 
最大(mm) | 
1 | 
1.1 | 
1.3 | 
1.4 | 
1.5 | 
1.7 | 
1.9 | 
1.9 | 
2 | 
2.2 | 
2.3 | 
2.6 | 
2.7 | 
3 | 
3.3 | 
3.4 | 
3.7 | 
3.8 | 
| 最小(mm) | 
0.95 | 
1.05 | 
1.2 | 
1.3 | 
1.4 | 
1.6 | 
1.8 | 
1.8 | 
1.9 | 
2.1 | 
2.2 | 
2.5 | 
2.6 | 
2.9 | 
3.2 | 
3.3 | 
3.5 | 
3.6 | 
| 长度(mm) | 
> | 
2.5 | 
2.5 | 
2.5 | 
2.5 | 
3 | 
4 | 
4 | 
4 | 
4 | 
6 | 
8 | 
8 | 
10 | 
| < | 
6 | 
6 | 
8 | 
8 | 
15 | 
18 | 
20 | 
25 | 
40 | 
50 | 
50 | 
50 | 
50 | 
 
| ANSI   B18.6.3 | 
  自攻螺丝规格表 | 
| 公称尺寸 | 
#2 | 
#3 | 
#4 | 
#5 | 
#6 | 
#7 | 
#8 | 
#10 | 
#12 | 
| 螺纹尾形 | 
AB | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
A | 
AB | 
| B.BT | 
B.BT | 
B.BT | 
B.BT | 
B.BT | 
B.BT | 
B.BT | 
B.BT | 
B.BT | 
| 每寸扣数 | 
T.I.P | 
32 | 
23 | 
24 | 
20 | 
18 | 
20 | 
16 | 
19 | 
15 | 
18 | 
12 | 
16 | 
11 | 
14 | 
| 外径 | 
最大(mm) | 
2.24 | 
2.57 | 
2.9 | 
3.3 | 
3.58 | 
3.53 | 
4.01 | 
3.91 | 
4.27 | 
4.22 | 
4.93 | 
4.8 | 
5.61 | 
5.46 | 
| 最小(mm) | 
2.13 | 
2.46 | 
2.79 | 
3.2 | 
3.46 | 
3.43 | 
3.86 | 
3.79 | 
4.12 | 
4.09 | 
4.78 | 
4.65 | 
5.64 | 
5.31 | 
| 内径 | 
最大(mm) | 
1.63 | 
1.91 | 
2.11 | 
2.18 | 
2.41 | 
2.39 | 
2.59 | 
2.64 | 
2.9 | 
3.92 | 
3.12 | 
3.1 | 
3.38 | 
3.58 | 
4.11 | 
4.17 | 
| 最小(mm) | 
1.52 | 
1.8 | 
1.98 | 
2.08 | 
2.29 | 
2.44 | 
2.52 | 
2.74 | 
2.77 | 
 | 
 | 
3.2 | 
3.43 | 
3.94 | 
3.99 | 
| 长度(mm) | 
> | 
1/8 | 
3/16 | 
3/16 | 
1/4 | 
1/4 | 
5/16 | 
5/16 | 
5/16 | 
3/8 | 
| < | 
5/8 | 
3/84 | 
1.25 | 
1.5 | 
2 | 
2 | 
2 | 
2 | 
2 |