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Precision Ground Rod, Cut to Length, Without Chamfer
Inch Sizes 1/16" to 1-1/4" Diameter
h6 tolerance
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Fractional
Size
D x L
Dimensions, inch
Description
TechMet Stock #
Standard Grade
Complementary Grade
D
L
TMK-320
TMK-3028
TMK-326
TMK-3012
    1/16 x 1-1/2
0.0625
   1-1/2
    .0625 x 1-1/2
505058
    5/64 x 1-3/4
0.0781
   1-3/4
    .078125 x 1-3/4
505068
    3/32 x 2
0.0937
   2
    .09375 x 2
505069
    3/32 x 3
0.0937
   3
    .09375 x 3
505039
    3/32 x 4
0.0937
   4
    .09375 x 4
505040
    7/64 x 2-1/4
0.1093
   2-1/4
    .109375 x 2-1/4
505070
    1/8 x 1-1/2
0.1250
   1-1/2
    .125 x 1-1/2
505000
505399
    1/8 x 2
0.1250
   2
    .125 x 2
505001
    1/8 x 2-1/4
0.1250
   2-1/4
    .125 x 2-1/4
505087
    1/8 x 2-1/2
0.1250
   2-1/2
    .125 x 2-1/2
505022
    1/8 x 3
1.1250
   3
    .125 x 3
505004
    1/8 x 4
0.1250
   4
    .125 x 4
505005
    1/8 x 6
0.1250
   6
    .125 x 6
505010
    9/64 x 2-1/2
0.1406
   2-1/2
    .140625 x 2-1/2
505071
    9/64 x 3
0.1406
   3
    .140625 x 3
503009
    5/32 x 2
0.1562
   2
    .15625 x2
503008
    5/32 x 2-1/2
0.1562
   2-1/2
    .15625 x 2-1/2
505146
    5/32 x 3
0.1562
   3
    .15625 x 3
505011
    5/32 x 3-1/2
0.1562
   3-1/2
    .15625 x 3-1/2
505033
    5/32 x 4
0.1562
   4
    .15625 x 4
505021
    11/64 x 2-3/4
0.1718
   2-3/4
    .171875 x 2-3/4
505072
    11/64 x 6-1/2
0.1718
   6-1/2
    .171875 x 6-1/2
505220
    3/16 x 1-1/2
0.1875
   1-1/2
    .1875 x 1-1/2
505012
    3/16 x 2
0.1875
   2
    .1875 x 2
505013
    3/16 x 2-1/2
0.1875
   2-1/2
    .1875 x 2-1/2
505014
    3/16 x 3
0.1875
   3
    .1875 x 3
505016
    3/16 x 4
0.1875
   4
    .1875 x 4
505076
    3/16 x 6
0.1875
   6
    .1875 x 6
505015
    13/64 x 3
0.2031
   3
    .203125 x 3
505149
    7/32 x 2-1/2
0.2187
   2-1/2
    .21875 x 2-1/2
505405
    7/32 x 3
0.2187
   3
    .21875 x 3
505150
    15/64 x 3-1/4
0.2343
   3-1/4
    .234375 x 3-1/4
505094
    1/4 x 1-1/2
0.2500
   1-1/2
    .250x 1-1/2
505003
    1/4 x 2
0.2500
   2
    .250 x 2
505007
    1/4 x 2-1/2
0.2500
   2-1/2
    .250 2-1/2
505009
    1/4 x 3
0.2500
   3
    .250 x 3
505017
505501
    1/4 x 3-1/2
0.2500
   3-1/2
    .250 x 3-1/2
505098
505502
    1/4 x 4
0.2500
   4
    .250x 4
505075
505544
    1/4 x 6
0.2500
   6
    .250 x 6
505073
505545
    1/4 x 6-1/2
0.2500
   6-1/2
    .250 x 6-1/2
505221
    17/64 x 3-1/2
0.2656
   3-1/2
    .265625 x 3-1/2
505097
    9/32 x 3-1/2
0.2812
   3-1/2
    .28125 x 3-1/2
505152
    19/64 x 3-3/4
0.2968
   3-3/4
    .296875 x 3-3/4
505037
    5/16 x 1-1/4
0.3125
   1-1/4
    .3125 x 1-1/4
505027
    5/16 x 2
0.3125
   2
    .3125 x 2
505077
    5/16 x 2-1/2
0.3125
   2-1/2
    .3125 x 2-1/2
505018
    5/16 x 2-3/4
0.3125
   3-3/4
    .3125 x 2-3/4
505026
    5/16 x 3
0.3125
   3
    .3125 x 3
505019
    5/16 x 3-1/2
0.3125
   3-1/2
    .3125 x 3-1/2
502326
    5/16 x 3-3/4
0.3125
   3-3/4
    .3125 x 3-3/4
505085
    5/16 x 4
0.3125
   4
    .3125 x 4
505054
    5/16 x 6
0.3125
   6
    .3125 x 6
505078
    21/64 x 4
0.3281
   4
    .328125 x 4
505048
    11/32 x 4
0.3437
   4
    .34375 x 4
505049
    23/64 x 4-1/4
0.3593
   4-1/4
    .359375 x 4-1/4
505043
    3/8 x 2
0.3750
   2
    .375 x 2
505025
505331
    3/8 x 2-1/2
0.3750
   2-1/2
    .375 x 2-1/2
505020
    3/8 x 3
0.3750
   3
    .375 x 3
505023
505503
    3/8 x 3-1/4
0.3750
   3-1/4
    .375 x 3-1/4
505227
    3/8 x 3-1/2
0.3750
   3-1/2
    .375 x 3-1/2
505022
505505
    3/8 x 4
0.3750
   4
    .375 x 4
505024
505546
    3/8 x 4-1/4
0.3750
   4-1/4
    .375 x 4-1/4
505082
    3/8 x 6
0.3750
   6
    .375 x 6
5037512
505547
    25/64 x 4-1/2
0.3906
   4-1/2
    .390625 x 4-1/2
505044
    13/32 x 4-1/2
0.4062
   4-1/2
    .40625 x 4-1/2
503000
    27/64 x 4-1/2
0.4218
   4-1/2
    .421875 x 4-1/2
503001
    7/16 x 2-3/4
0.4375
   2-3/4
    .4375 x 2-3/4
505066
    7/16 x 4
0.4375
   4
    .4375 x 4
505050
    7/16 x 4-1/2
0.4375
   4-1/2
    .4375 x 4-1/2
505153
    7/16 x 6
0.4375
   6
    .4375 x 6
505051
    29/64 x 4-3/4
0.4531
   4-3/4
    .453125 x 4-3/4
503002
    15/32 x 4-3/4
0.4687
   4-3/4
    .46875 x 4-3/4
503003
    31/64 x 4-3/4
0.4843
   4-3/4
    .484375 x 4-3/4
503004
    1/2 x 2
0.5000
   2
    .500 x 2
505052
    1/2 x 2-1/2
0.5000
   2-1/2
    .500 x 2-1/2
505053
    1/2 x 3
0.5000
   3
    .500 x 3
505006
    1/2 x 3-1/2
0.5000
   3-1/2
    .500 x 3-1/2
505074
    1/2 x 4
0.5000
   4
    .500 x 4
505038
    1/2 x 4-3/4
0.5000
   4-3/4
    .500 x 4-3/4
505083
    1/2 x 6
0.5000
   6
    .500 x 6
505056
505179
    1/2 x 7
0.5000
   7
    .500 x 7
505029
    1/2 x 8
0.5000
   8
    .500 x 8
505030
505408
    1/2 x 10
0.5000
   10*
    .500 x 10
505031
    9/16 x 3-1/2
0.5625
   3-1/2
    .5625 x 3-1/2
505057
    5/8 x 3-1/2
0.6250
   3-1/2
    .625 x 3-1/2
503013
    5/8 x 4
0.6250
   4
    .625 x 4
505046
    5/8 x 6
0.6250
   6
    .625 x 6
505065
    5/8 x 7
0.6250
   7
    .625 x 7
503018
    5/8 x 8
0.6250
   8
    .625 x 8
503019
    5/8 x 10
0.6250
   10*
    .625 x 10
503020
    3/4 x 4
0.7500
   4
    .750 x 4
505060
    3/4 x 5
0.7500
   5
    .750 x 5
505061
    3/4 x 6
0.7500
   6
    .750 x 6
505062
    3/4 x 7
0.7500
   7
    .750 x 7
505064
    3/4 x 8
0.7500
   8
    .750 x 8
503005
    3/4 x 10
0.7500
   10*
    .750 x 10
503006
    7/8 x 4
0.8750
   4
    .875 x 4
505063
    7/8 x 6
0.8750
   6
    .875 x 6
505067
    1 x 4
1.0000
   4
    1.000 x 4
503014
    1 x 4-1/2
1.0000
   4-1/2
    1.000 x 4-1/2
503030
    1 x 5
1.0000
   5
    1.000 x 5
503011
    1 x 6
1.0000
   6
    1.000 x 6
503010
    1 x 7
1.0000
   7
    1.000 x 7
505079
    1 x 8
1.0000
   8
    1.000 x 8
505047
    1 x 10
1.0000
   10*
    1.000 x 10
505096
    1-1/4 x 4
1.2500
   4
    1.250 x 4
503021
    1-1/4 x 6
1.2500
   6
    1.250 x 6
503022


Diameter Tolerance, h6 Ground, all lengths

Rod diameter (inch) Tolerance (inch)
0 ≤ 0.118 +0 / -0.00024
> 0.118 ≤ 0.236 +0 / -0.00031
> 0.236 ≤ 0.394 +0 / -0.00035
> 0.394 ≤ 0.709 +0 / -0.00043
> 0.709 ≤ 1.181 +0 / -0.00051
> 1.181 ≤ 1.250 +0 / -0.00063


Length (Ground, cut to length)

Diameter Length (inch) Tolerance (inch)
All ≤ 8 +1/16, -0
All > 8 + 1/8, -0


TOLERANCES, inch
Dia, inch Straightness
 
0<L≤2.362
2.362<L≤3.150
3.150<L≤3.937
3.937<L≤4.724
4.724<L≤5.905
 5.905<L≤7.874 
 7.874<L≤11.811 
 .079≤D<.158 0.0002 0.0003 0.0005 0.0008      
 .158≤D<.237 0.0002 0.0003 0.0005 0.0008    
 .237≤D<.315 0.0002 0.0003 0.0005 0.0008  
 .315≤D<.394 0.0002 0.0003 0.0006  
 .394≤D<.630 0.0002 0.0003 0.0006
 .630≤D.788 0.0002 0.0003 0.0006
 .788≤D≤1.260  0.0002 0.0003


TOLERANCES, inch
Dia, inch Roundness
 
0<L≤2.362
2.362<L≤3.15
3.15<L≤3.937
3.937<L≤4.724
4.724<L≤5.905
 5.905<L≤7.874 
 7.874<L≤11.811 
 .079≤D≤1.260  0.0001 max

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