 |
 |
 |
 |
 |
 |
|
Grooved Pin Standard Dimensions
Return to Grooved Pin Specs Page
Return to Technical Info Page
|
Nominal Size or Basic Pin Diameter |
D |
P |
C |
F |
R |
A |
H |
J |
K |
Recommended Hole Size (Unplated Pin) |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Pin Diameter |
Pilot Length |
Chamfer Length |
Crown Height |
Crown Radius |
Neck Width |
Shoulder Length |
Neck Radius |
Neck Diameter |
|||||||||
|
Max
|
Min
|
Ref
|
Min
|
Ref
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Ref
|
Max
|
Min
|
Max
|
Min
|
||
|
1/32
|
0.0312
|
0.0312
|
0.0297
|
0.015
|
|
|
|
|
|
|
|
|
|
|
|
0.0324
|
0.0312
|
|
3/64
|
0.0469
|
0.0469
|
0.0454
|
0.031
|
|
|
|
|
|
|
|
|
|
|
|
0.0482
|
0.0469
|
|
1/16
|
0.0625
|
0.0625
|
0.0610
|
0.031
|
0.005
|
0.0065
|
0.088
|
0.068
|
|
|
|
|
|
|
|
0.0640
|
0.0625
|
|
5/64
|
0.0781
|
0.0781
|
0.0766
|
0.031
|
0.005
|
0.0087
|
0.104
|
0.084
|
|
|
|
|
|
|
|
0.0798
|
0.0781
|
|
3/32
|
0.0938
|
0.0938
|
0.0923
|
0.031
|
0.005
|
0.0091
|
0.135
|
0.115
|
0.038
|
0.028
|
0.041
|
0.031
|
0.016
|
0.067
|
0.057
|
0.0956
|
0.0938
|
|
7/64
|
0.1094
|
0.1094
|
0.1074
|
0.031
|
0.005
|
0.0110
|
0.150
|
0.130
|
0.038
|
0.028
|
0.041
|
0.031
|
0.016
|
0.082
|
0.072
|
0.1113
|
0.1094
|
|
1/8
|
0.1250
|
0.1250
|
0.1230
|
0.031
|
0.005
|
0.0130
|
0.166
|
0.146
|
0.069
|
0.059
|
0.041
|
0.031
|
0.031
|
0.088
|
0.078
|
0.1271
|
0.1250
|
|
5/32
|
0.1563
|
0.1563
|
0.1543
|
0.062
|
0.005
|
0.0170
|
0.198
|
0.178
|
0.069
|
0.059
|
0.057
|
0.047
|
0.031
|
0.109
|
0.099
|
0.1587
|
0.1563
|
|
3/16
|
0.1875
|
0.1875
|
0.1855
|
0.062
|
0.016
|
0.0190
|
0.260
|
0.240
|
0.069
|
0.059
|
0.057
|
0.047
|
0.031
|
0.130
|
0.120
|
0.1903
|
0.1875
|
|
7/32
|
0.2188
|
0.2188
|
0.2168
|
0.062
|
0.016
|
0.0220
|
0.291
|
0.271
|
0.101
|
0.091
|
0.072
|
0.062
|
0.047
|
0.151
|
0.141
|
0.2219
|
0.2188
|
|
1/4
|
0.2500
|
0.2500
|
0.2480
|
0.062
|
0.016
|
0.0260
|
0.322
|
0.302
|
0.101
|
0.091
|
0.072
|
0.062
|
0.047
|
0.172
|
0.162
|
0.2534
|
0.2500
|
|
5/16
|
0.3125
|
0.3125
|
0.3105
|
0.094
|
0.031
|
0.0340
|
0.385
|
0.365
|
0.132
|
0.122
|
0.104
|
0.094
|
0.062
|
0.214
|
0.204
|
0.3166
|
0.3125
|
|
3/8
|
0.3750
|
0.3750
|
0.3730
|
0.094
|
0.031
|
0.0390
|
0.479
|
0.459
|
0.132
|
0.122
|
0.135
|
0.125
|
0.062
|
0.255
|
0.245
|
0.3797
|
0.3750
|
|
7/16
|
0.4375
|
0.4375
|
0.4355
|
0.094
|
0.031
|
0.0470
|
0.541
|
0.521
|
0.195
|
0.185
|
0.135
|
0.125
|
0.094
|
0.298
|
0.288
|
0.4428
|
0.4375
|
|
1/2
|
0.5000
|
0.5000
|
0.4980
|
0.094
|
0.031
|
0.0520
|
0.635
|
0.615
|
0.195
|
0.185
|
0.135
|
0.125
|
0.094
|
0.317
|
0.307
|
0.5060
|
0.5000
|
* Pins in 1/32" and 3/64" diameter of any length and all sizes 1/4" nominal length or shorter are not crowned or chamfered.
Alloy steel pins of all types have chamfered ends.
Tabulated dimensions and tolerances apply to the pins prior to applications of plating or other coating.
Return to Grooved Pin Specs Page
Return to Technical Info Page