型号

尺寸inch

重量KG 

N

细牙

UNF-2B

A

±0.015

B

+0.0025

-0.0005

C

+0.062

-0.031

D

±0.010

E

±0.010

F

+0.002

-0.010

T

±0.005

W

+0.0000

-0.005

球直径

S∅

a°

角度

Kg≈

PNF3

10-32

1.062

0.1900

0.562

0.625

0.406

0.312

0.250

0.312

0.437

13

0.018

PNF4

1/4-28

1.312

0.2500

0.750

0.750

0.469

0.375

0.281

0.375

0.500

16

0.027

PNF5

5/16-24

1.375

0.3125

0.750

0.875

0.500

0.437

0.344

0.437

0.625

14

0.036

PNF6

3/8-24

1.625

0.3750

0.937

1.000

0.687

0.562

0.406

0.500

0.719

12

0.063

PNF7

7/16-20

1.812

0.4375

1.062

1.125

0.750

0.625

0.437

0.562

0.812

14

0.086

PNF8

1/2-20

2.125

0.5000

1.187

1.312

0.875

0.750

0.500

0.625

0.937

12

0.140

PNF10

5/8-18

2.500

0.6250

1.500

1.500

1.000

0.875

0.562

0.750

1.125

16

0.204

PNF12

3/4-16

2.875

0.7500

1.750

1.750

1.125

1.000

0.687

0.875

1.312

14

0.304