英 制 螺 纹
|
规格
|
钻孔径
|
硬材
|
软材
|
W1/8 - 40
|
2.65
|
2.60
|
W5/32 - 32
|
3.25
|
3.20
|
W3/16 - 24
|
3.75
|
3.70
|
W1/4 - 20
|
5.10
|
5.00
|
W5/16 - 18
|
6.60
|
6.50
|
W3/8 - 16
|
8.00
|
7.90
|
W7/16 - 14
|
9.40
|
9.30
|
W1/2 - 12
|
10.70
|
10.50
|
W9/16 - 12
|
12.30
|
12.00
|
W5/8 - 11
|
13.70
|
13.50
|
W3/4 - 10
|
16.70
|
16.50
|
W7/8 - 9
|
19.50
|
19.30
|
W1 - 8
|
22.40
|
22.00
|
W1-1/8 - 7
|
25.00
|
24.80
|
W1-1/4 - 7
|
28.30
|
28.00
|
|