General
Thread Thread
Code
H
Height
D
Head
Diameter
Drive Size
Cross Recess
Drive Size
6 - Lobe
2 - 32 #2 .062 / .053 .167 / .155 1 T8
4 - 24 #4 .071 / .062 .193 / .180 1 T8
5 - 20 #5 .080 / .070 .219 / .205 1 T10
6 - 19 #6 .097 / .087 .254 / .240 2 T10
7 - 19 #7 .097 / .087 .270 / .256 2 T15
8 - 18 #8 .097 / .087 .270 / .256 2 T15
10 - 16 #10 .115 / .105 .332 / .306 2 T20
12 - 16 #12 .133 / .122 .373 / .357 2 T25
1/4 - 15 1/4 .175 / .162 .492 / .473 3 T30
Length
Length L
(Length Code)
±.005
3/16 .187 / .140
1/4 .250 / .203
5/16 .313 / .266
3/8 .375 / .328
7/16 .438 / .391
1/2 .500 / .453
9/16 .563 / .516
5/8 .625 / .578
3/4 .750 / .703
7/8 .875 / .828
1 1.000 / .953
1 - 1/4 1.250 / 1.187
1 - 1/2 1.500 / 1.437
1 - 3/4 1.750 / 1.687
2 2.000 / 1.937