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Grooved Pins > Knurl Pins and Drive Studs > Drive Stud Dimensions and Weights
Dimensions for Grooved Drive Studs - Round Head
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Stud Size Number
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0
|
2
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4
|
6
|
7
|
8
|
10
|
12
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14
|
16
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Nominal Shank Diameter
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0.067
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0.086
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0.104
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0.120
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0.136
|
0.144
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0.161
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0.196
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0.221
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0.250
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Recommended Drill Size
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51
|
44
|
37
|
31
|
29
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27
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20
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9
|
2
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1/4"
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Head Diameter
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Min
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0.120
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0.146
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0.193
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0.240
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0.287
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0.287
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0.334
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0.382
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0.429
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0.443
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Max
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0.130
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0.162
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0.211
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0.260
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0.309
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0.309
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0.359
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0.408
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0.457
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0.472
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Head Height
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Min
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0.040
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0.059
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0.075
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0.091
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0.107
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0.107
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0.124
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0.140
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0.156
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0.161
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Max
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0.050
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0.070
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0.086
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0.103
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0.119
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0.119
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0.136
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0.152
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0.169
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0.174
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Expanded Diameter as measured with ring gauge
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Stud Length
Under Head
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1/8
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0.074
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0.096
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|
|
|
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3/16
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0.074
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0.096
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0.115
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|
|
|
|
|
|
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1/4
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0.074
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0.095
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0.113
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0.132
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|
|
|
|
|
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5/16
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|
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0.113
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0.130
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0.147
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|
|
|
|
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3/8
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|
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0.130
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0.147
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0.155
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0.173
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|
|
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1/2
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|
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0.144
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0.153
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0.171
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0.206
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0.234
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0.263
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5/8
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|
|
|
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0.153
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0.171
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0.204
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0.232
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3/4
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|
|
|
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|
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0.204
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0.232
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Tolerances: length +/- 0.010; expanded diameter +/- 0.002; nominal diameter +0.000, -0.002
Weights for Drive Studs
Approximate weight (lbs.) per 1,000 pieces
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Stud Size Number
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0
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2
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4
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6
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7
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8
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10
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12
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14
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16
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Stud Length
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1/8
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0.230
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0.432
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|
|
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|
|
|
|
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3/16
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0.310
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0.570
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0.946
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|
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|
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|
|
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1/4
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0.370
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0.710
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1.15
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1.68
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|
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|
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5/16
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|
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1.35
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1.95
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2.61
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|
|
|
|
|
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3/8
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|
|
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2.21
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2.95
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3.21
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4.39
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|
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1/2
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|
|
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3.63
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3.97
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5.34
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7.70
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9.90
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14.50
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5/8
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|
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|
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4.74
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6.30
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9.11
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11.70
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3/4
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10.55
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13.15
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Dimensions for Offset Ribbed Drive Studs
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Stud Size Number
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0
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2
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4
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6
|
7
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8
|
10
|
12
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14
|
16
|
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Nominal Shank Diameter
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0.067
|
0.086
|
0.104
|
0.120
|
0.136
|
0.144
|
0.161
|
0.196
|
0.221
|
0.250
|
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Recommended Drill Size
|
51
|
44
|
37
|
31
|
29
|
27
|
20
|
9
|
2
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1/4"
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Min. Recommended Depth of Engagement in Blind Holes
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1/8
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1/8
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1/8
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1/8
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5/32
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5/32
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5/32
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7/32
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7/32
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7/32
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Min. Recommended Engagement in Through Holes
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1/16
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1/16
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5/64
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5/64
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3/32
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3/32
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7/64
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7/64
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1/8
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1/8
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Stud Lengths Available
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3/16, 1/4, 5/16
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1/4, 5/16, 3/8, 1/2
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5/16, 3/8, 1/2
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Tolerances: shank length +/- 0.010, nominal shank diameter +0.000, -0.002.
For maximum holding power in through or blind holes, both ribbed sections should be engaged in the work material.
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