Rounds, squares and flats
DIMENSIONS
Imperial
(inch)
(inch)
Metric
(mm)
(mm)
ROUND
SQUARE
1/8
3.18
.042
.053
3/16
4.76
.094
.120
1/4
6.35
.167
.213
5/16
7.94
.261
.332
3/8
9.53
.376
.478
7/16
11.1
.511
.651
1/2
12.7
.668
.850
9/16
14.3
.845
1.076
5/8
15.9
1.043
1.328
.678
17.2
1.229
1.55
11/16
17.5
1.262
1.607
3/4
19.0
1.502
1.913
13/16
20.6
1.763
2.245
7/8
22.2
2.045
2.603
.906
22.99
2.19
2.79
15/16
23.8
2.347
2.988
1
25.4
2.670
3.400
1 1/16
27.0
3.015
3.838
1 1/8
28.6
3.380
4.303
1 3/16
30.2
3.766
4.795
1 1/4
31.8
4.172
5.313
1 5/16
33.3
4.600
5.857
1 3/8
34.9
5.049
6.428
1 7/16
36.5
5.518
7.026
1 1/2
38.1
6.008
7.650
1 9/16
39.7
6.519
8.301
1 5/8
41.3
7.051
8.978
1 11/16
42.9
7.604
9.682
1 3/4
44.4
8.178
10.413
1 13/16
46.0
8.773
11.170
1 7/8
47.6
9.388
11.950
1 15/16
49.2
10.020
12.760
2
50.8
10.680
13.600
2 1/16
52.4
11.360
14.460
2 1/8
54.0
12.060
15.350
2 3/16
55.6
12.780
16.270
2 1/4
57.2
13.520
17.213
2 5/16
58.7
14.280
18.180
2 3/8
60.3
15.062
19.180
2 7/16
61.9
15.870
20.200
2 1/2
63.5
16.690
21.250
2 9/16
65.1
17.530
22.330
2 5/8
66.7
18.400
23.430
2 11/16
68.3
19.290
24.560
2 3/4
69.8
20.195
25.710
2 13/16
71.4
21.120
26.900
2 7/8
73.0
22.060
28.100
2 15/16
74.6
23.040
29.340
3
76.2
24.033
30.600
3 1/16
77.8
25.060
31.890
3 1/8
79.47
26.080
33.200
3 3/16
81.0
27.130
34.550
3 1/4
82.6
28.210
35.910
3 5/16
84.1
29.300
37.300
3 3/8
85.7
30.420
38.730
3 7/16
87.3
31.550
40.176
3 1/2
88.9
32.710
41.650
3 9/16
90.5
33.890
43.151
3 5/8
92.1
35.090
44.680
3 11/16
93.7
36.310
46.232
3 3/4
95.2
37.550
47.810
3 13/16
96.8
38.810
49.420
3 7/8
98.4
40.130
51.050
3 15/16
100.0
41.400
52.713
4
101.6
42.730
54.400
4 1/8
104.8
45.440
57.853
4 1/4
108.0
48.230
61.410
4 3/8
111.1
51.110
65.078
4 1/2
114.3
54.080
68.850
4 5/8
117.5
57.120
72.728
4 3/4
120.6
60.250
76.710
4 7/8
123.8
63.460
80.803
5
127.0
66.760
85.000
5 1/4
133.4
73.600
93.710
5 1/2
139.7
80.780
102.900
5 3/4
146.0
88.290
112.400
6
152.4
96.130
122.400
6 1/2
165.1
112.850
143.600
7
177.8
130.850
166.600
7 1/2
190.5
150.210
191.200
8
203.2
170.990
217.600
DIMENSIONS
Imperial
(inch)
(inch)
Metric
(mm)
(mm)
Lb/Lin. ft
1/8 x 1/2
3.18 x 12.7
.213
1/8 x 3/4
3.18 x 19.0
.319
1/8 x 1
3.18 x 25.4
.425
1/8 x 1 1/8
3.18 x 28.6
.478
1/8 x 1 1/4
3.18 x 31.8
.531
1/8 x 1 3/8
3.18 x 34.9
.584
1/8 x 1 1/2
3.18 x 38.1
.638
1/8 x 1 3/4
3.18 x 44.4
.744
1/8 x 2
3.18 x 50.8
.850
1/8 x 2 1/4
3.18 x 57.2
.956
1/8 x 2 1/2
3.18 x 63.5
1.063
1/8 x 2 3/4
3.18 x 69.8
1.170
1/8 x 3
3.18 x 76.2
1.280
1/8 x 3 1/4
3.18 x 82.6
1.380
1/8 x 3 1/2
3.18 x 88.9
1.490
1/8 x 3 3/4
3.18 x 95.2
1.590
1/8 x 4
3.18 x 101.6
1.700
1/8 x 4 1/2
3.18 x 114.3
1.913
1/8 x 5
3.18 x 127.0
2.130
1/8 x 5 1/2
3.18 x 139.7
2.340
1/8 x 6
3.18 x 152.4
2.550
1/8 x 7
3.18 x 177.8
2.980
1/8 x 8
3.18 x 203.2
3.400
1/8 x 9
3.18 x 228.6
3.830
1/8 x 10
3.18 x 254.0
4.250
1/8 x 11
3.18 x 279.4
4.680
1/8 x 12
3.18 x 304.8
5.100
3/16 x 1/2
4.76 x 12.7
.319
3/16 x 5/8
4.76 x 15.9
.398
3/16 x 3/4
4.76 x 19.0
.478
3/16 x 7/8
4.76 x 22.2
.558
3/16 x 1
4.76 x 25.4
.638
3/16 x 1 1/8
4.76 x 28.6
.717
3/16 x 1 1/4
4.76 x 31.8
.797
3/16 x 1 3/8
4.76 x 34.9
.877
3/16 x 1 1/2
4.76 x 38.1
.956
3/16 x 1 3/4
4.76 x 44.4
1.120
3/16 x 2
4.76 x 50.8
1.280
3/16 x 2 1/4
4.76 x 57.2
1.430
3/16 x 2 1/2
4.76 x 63.5
1.590
3/16 x 2 3/4
4.76 x 69.8
1.750
3/16 x 3
4.76 x 76.2
1.910
3/16 x 3 1/4
4.76 x 82.6
2.070
3/16 x 3 1/2
4.76 x 88.9
2.230
3/16 x 3 3/4
4.76 x 95.2
2.390
3/16 x 4
4.76 x 101.6
2.550
3/16 x 4 1/2
4.76 x 114.3
2.870
3/16 x 5
4.76 x 127.0
3.190
3/16 x 5 1/2
4.76 x 139.7
3.510
3/16 x 6
4.76 x 152.4
3.830
3/16 x 7
4.76 x 177.8
4.460
3/16 x 8
4.76 x 203.2
5.100
3/16 x 9
4.76 x 228.6
5.740
3/16 x 10
4.76 x 254.0
6.380
3/16 x 11
4.76 x 279.4
7.020
3/16 x 12
4.76 x 304.8
7.650
1/4 x 1/2
6.35 x 12.7
.425
1/4 x 5/8
6.35 x 15.9
.531
1/4 x 3/4
6.35 x 19.0
.638
1/4 x 7/8
6.35 x 22.2
.744
1/4 x 1
6.35 x 25.4
.850
1/4 x 1 1/8
6.35 x 28.6
.956
1/4 x 1 1/4
6.35 x 31.8
1.060
1/4 x 1 3/8
6.35 x 34.9
1.170
1/4 x 1 1/2
6.35 x 38.1
1.280
1/4 x 1 3/4
6.35 x 44.4
1.490
1/4 x 2
6.35 x 50.8
1.700
1/4 x 2 1/4
6.35 x 57.2
1.910
1/4 x 2 1/2
6.35 x 63.5
2.130
1/4 x 2 3/4
6.35 x 69.8
2.340
1/4 x 3
6.35 x 76.2
2.550
1/4 x 3 1/4
6.35 x 82.6
2.760
1/4 x 3 1/2
6.35 x 88.9
2.980
1/4 x 3 3/4
6.35 x 95.2
3.190
1/4 x 4
6.35 x 101.6
3.400
1/4 x 4 1/2
6.35 x 114.3
3.830
1/4 x 5
6.35 x 127.0
4.250
1/4 x 5 1/2
6.35 x 139.7
4.680
1/4 x 6
6.35 x 152.4
5.100
1/4 x 7
6.35 x 177.8
5.950
1/4 x 8
6.35 x 203.2
6.800
1/4 x 9
6.35 x 228.6
7.650
1/4 x 10
6.35 x 254.0
8.500
1/4 x 11
6.35 x 279.4
9.350
1/4 x 12
6.35 x 304.8
10.200
5/16 x 1/2
7.94 x 12.7
.531
5/16 x 5/8
7.94 x 15.9
.664
5/16 x 3/4
7.94 x 19.0
.797
5/16 x 7/8
7.94 x 22.2
.930
5/16 x 1
7.94 x 25.4
1.060
5/16 x 1 1/8
7.94 x 28.6
1.200
5/16 x 1 1/4
7.94 x 31.8
1.330
5/16 x 1 3/8
7.94 x 34.9
1.460
5/16 x 1 1/2
7.94 x 38.1
1.590
5/16 x 1 3/4
7.94 x 44.4
1.860
5/16 x 2
7.94 x 50.8
2.130
5/16 x 2 1/4
7.94 x 57.2
2.390
5/16 x 2 1/2
7.94 x 63.5
2.660
5/16 x 2 3/4
7.94 x 69.8
2.920
5/16 x 3
7.94 x 76.2
3.190
5/16 x 3 1/2
7.94 x 88.9
3.720
5/16 x 3 3/4
7.94 x 95.2
3.980
5/16 x 4
7.94 x 101.6
4.250
5/16 x 4 1/2
7.94 x 114.3
4.780
5/16 x 5
7.94 x 127.0
5.310
5/16 x 5 1/2
7.94 x 139.7
5.840
5/16 x 6
7.94 x 152.4
6.380
5/16 x 7
7.94 x 177.8
7.440
5/16 x 8
7.94 x 203.2
8.500
5/16 x 9
7.94 x 228.6
9.563
5/16 x 10
7.94 x 254.0
10.630
5/16 x 12
7.94 x 304.8
12.750
3/8 x 1/2
9.53 x 12.7
.638
3/8 x 5/8
9.53 x 15.9
.797
3/8 x 3/4
9.53 x 19.0
.956
3/8 x 7/8
9.53 x 22.2
1.120
3/8 x 1
9.53 x 25.4
1.280
3/8 x 1 1/8
9.53 x 28.6
1.430
3/8 x 1 1/4
9.53 x 31.8
1.590
3/8 x 1 3/8
9.53 x 34.9
1.750
3/8 x 1 1/2
9.53 x 38.1
1.910
3/8 x 1 3/4
9.53 x 44.4
2.230
3/8 x 2
9.53 x 50.8
2.550
3/8 x 2 1/4
9.53 x 57.2
2.870
3/8 x 2 1/2
9.53 x 63.5
3.190
3/8 x 2 3/4
9.53 x 69.8
3.510
3/8 x 3
9.53 x 76.2
3.830
3/8 x 3 1/2
9.53 x 88.9
4.460
3/8 x 3 3/4
9.53 x 95.2
4.780
3/8 x 4
9.53 x 101.6
5.100
3/8 x 4 1/2
9.53 x 114.3
5.740
3/8 x 5
9.53 x 127.0
6.380
3/8 x 5 1/2
9.53 x 139.7
7.010
3/8 x 6
9.53 x 152.4
7.650
3/8 x 7
9.53 x 177.8
8.930
3/8 x 8
9.53 x 203.2
10.200
3/8 x 9
9.53 x 228.6
11.475
3/8 x 10
9.53 x 254.0
12.750
3/8 x 12
9.53 x 304.8
15.300
1/2 x 5/8
12.7 x 15.9
1.060
1/2 x 3/4
12.7 x 19.0
1.280
1/2 x 7/8
12.7 x 22.2
1.490
1/2 x 1
12.7 x 25.4
1.700
1/2 x 1 1/8
12.7 x 28.6
1.910
1/2 x 1 1/4
12.7 x 31.8
2.130
1/2 x 1 1/2
12.7 x 38.1
2.550
1/2 x 1 3/4
12.7 x 44.4
2.980
1/2 x 2
12.7 x 50.8
3.400
1/2 x 2 1/4
12.7 x 57.2
3.830
1/2 x 2 1/2
12.7 x 63.5
4.250
1/2 x 2 3/4
12.7 x 69.8
4.680
1/2 x 3
12.7 x 76.2
5.100
1/2 x 3 1/4
12.7 x 82.6
5.530
1/2 x 3 1/2
12.7 x 88.9
5.950
1/2 x 3 3/4
12.7 x 95.2
6.380
1/2 x 4
12.7 x 101.6
6.800
1/2 x 4 1/2
12.7 x 114.3
7.650
1/2 x 5
12.7 x 127.0
8.500
1/2 x 5 1/2
12.7 x 139.7
9.350
1/2 x 6
12.7 x 152.4
10.200
1/2 x 7
12.7 x 177.8
11.900
1/2 x 8
12.7 x 203.2
13.600
1/2 x 9
12.7 x 228.6
15.300
1/2 x 10
12.7 x 254.0
17.000
1/2 x 12
12.7 x 304.8
20.400
5/8 x 3/4
15.9 x 19.0
1.590
5/8 x 7/8
15.9 x 22.2
1.860
5/8 x 1
15.9 x 25.4
2.130
5/8 x 1 1/8
15.9 x 28.6
2.390
5/8 x 1 1/4
15.9 x 31.8
2.660
5/8 x 1 3/8
15.9 x 34.9
2.920
5/8 x 1 1/2
15.9 x 38.1
3.190
5/8 x 1 3/4
15.9 x 44.4
3.720
5/8 x 2
15.9 x 50.8
4.250
5/8 x 2 1/4
15.9 x 57.2
4.780
5/8 x 2 1/2
15.9 x 63.5
5.310
5/8 x 2 3/4
15.9 x 69.8
5.840
5/8 x 3
15.9 x 76.2
6.380
5/8 x 3 1/4
15.9 x 82.6
6.910
5/8 x 3 1/2
15.9 x 88.9
7.440
5/8 x 3 3/4
15.9 x 95.2
7.970
5/8 x 4
15.9 x 101.6
8.500
5/8 x 4 1/2
15.9 x 114.3
9.560
5/8 x 5
15.9 x 127.0
10.630
5/8 x 5 1/2
15.9 x 139.7
11.690
5/8 x 6
15.9 x 152.4
12.750
5/8 x 7
15.9 x 177.8
14.870
5/8 x 8
15.9 x 203.2
17.000
5/8 x 9
15.9 x 228.6
19.125
5/8 x 10
15.9 x 254.0
21.250
5/8 x 12
15.9 x 304.8
25.500
3/4 x 1
19.0 x 25.4
2.550
3/4 x 1 1/4
19.0 x 31.8
3.190
3/4 x 1 1/2
19.0 x 38.1
3.830
3/4 x 1 3/4
19.0 x 44.4
4.460
3/4 x 2
19.0 x 50.8
5.100
3/4 x 2 1/4
19.0 x 57.2
5.740
3/4 x 2 1/2
19.0 x 63.5
6.380
3/4 x 2 3/4
19.0 x 69.8
7.010
3/4 x 3
19.0 x 76.2
7.650
3/4 x 3 1/2
19.0 x 88.9
8.930
3/4 x 4
19.0 x 101.6
10.200
3/4 x 4 1/2
19.0 x 114.3
11.480
3/4 x 5
19.0 x 127.0
12.750
3/4 x 5 1/2
19.0 x 139.7
14.030
3/4 x 6
19.0 x 152.4
15.300
3/4 x 7
19.0 x 177.8
17.850
3/4 x 8
19.0 x 203.2
20.400
3/4 x 9
19.0 x 228.6
22.950
3/4 x 10
19.0 x 254.0
25.500
3/4 x 12
19.0 x 304.8
30.600
7/8 x 1
22.2 x 25.4
2.980
7/8 x 1 1/4
22.2 x 31.8
3.720
7/8 x 1 1/2
22.2 x 38.1
4.460
7/8 x 1 3/4
22.2 x 44.4
5.210
7/8 x 2
22.2 x 50.8
5.950
7/8 x 2 1/4
22.2 x 57.2
6.690
7/8 x 2 1/2
22.2 x 63.5
7.440
7/8 x 2 3/4
22.2 x 69.8
8.190
7/8 x 3
22.2 x 76.2
8.930
7/8 x 3 1/2
22.2 x 88.9
10.410
7/8 x 4
22.2 x 101.6
11.900
7/8 x 4 1/2
22.2 x 114.3
13.390
7/8 x 5
22.2 x 127.0
14.880
7/8 x 5 1/2
22.2 x 139.7
16.360
7/8 x 6
22.2 x 152.4
17.850
7/8 x 8
22.2 x 203.2
23.800
1 x 1 1/4
25.4 x 31.8
4.250
1 x 1 1/2
25.4 x 38.1
5.100
1 x 1 3/4
25.4 x 44.4
5.950
1 x2
25.4 x 50.8
6.800
1 x 2 1/4
25.4 x 57.2
7.650
1 x 2 1/2
25.4 x 63.5
8.500
1 x 2 3/4
25.4 x 69.8
9.350
1 x3
25.4 x 76.2
10.200
1 x 3 1/2
25.4 x 88.9
11.900
1 x 4
25.4 x 101.6
13.600
1 x 4 1/2
25.4 x 114.3
15.300
1 x5
25.4 x 127.0
17.000
1 x 5 1/2
25.4 x 139.7
18.700
1 x 6
25.4 x 152.4
20.400
1 x7
25.4 x 177.8
23.800
1 x 8
25.4 x 203.2
27.200
1 x 9
25.4 x 228.6
30.600
1 x 10
25.4 x 254.0
34.000
1 x 12
25.4 x 304.8
40.800
1 1/4 x 1 1/2
31.8 x 38.1
6.380
1 1/4 x 1 3/4
31.8 x 44.4
7.440
1 1/4 x 2
31.8 x 50.8
8.500
1 1/4 x 2 1/4
31.8 x 57.2
9.560
1 1/4 x 2 1/2
31.8 x 63.5
10.630
1 1/4 x 2 3/4
31.8 x 69.8
11.690
1 1/4 x 3
31.8 x 76.2
12.750
1 1/4 x 3 1/2
31.8 x 88.9
14.880
1 1/4 x 4
31.8 x 101.6
17.000
1 1/4 x 4 1/2
31.8 x 114.3
19.130
1 1/4 x 5
31.8 x 127.0
21.250
1 1/4 x 5 1/2
31.8 x 139.7
23.380
1 1/4 x 6
31.8 x 152.4
25.500
1 1/4 x 7
31.8 x 177.8
29.750
1 1/4 x 8
31.8 x 203.2
34.000
1 1/4 x 9
31.8 x 228.6
38.250
1 1/4 x 10
31.8 x 254.0
42.500
1 1/4 x 12
31.8 x 304.8
51.000
1 1/2 x 1 3/4
38.1 x 44.4
8.930
1 1/2 x 2
31.8 x 50.8
10.200
1 1/2 x 2 1/4
31.8 57.2
11.480
1 1/2 x 2 1/2
31.8 x 63.5
12.750
1 1/2 x 2 3/4
31.8 x 69.8
14.030
1 1/2 x 3
38.1 x 76.2
15.300
1 1/2 x 3 1/2
38.1 x 88.9
17.850
1 1/2 x 4
38.1 x 101.6
20.400
1 1/2 x 4 1/2
38.1 x 114.3
22.950
1 1/2 x 5
38.1 x 127.0
25.500
1 1/2 x 5 1/2
38.1 x 139.7
28.050
1 1/2 x 6
38.1 x 152.4
30.600
1 1/2 x 7
38.1 x 177.8
35.700
1 1/2 x 8
38.1 x 203.2
40.800
1 1/2 x 9
38.1 x 228.6
45.900
1 1/2 x 10
38.1 x 254.0
51.000
1 1/2 x 12
38.1 x 304.8
61.200
1 3/4 x 2
44.4 x 50.8
11.900
1 3/4 x 2 1/4
44.4 x 57.2
13.390
1 3/4 x 2 1/2
44.4 x 63.5
14.880
1 3/4 x 2 3/4
44.4 x 69.8
16.360
1 3/4 x 3
44.4 x 76.2
17.850
1 3/4 x 3 1/2
44.4 x 88.9
20.830
1 3/4 x 4
44.4 x 101.6
23.800
1 3/4 x 4 1/2
44.4 x 114.3
26.780
1 3/4 x 5
44.4 x 127.0
29.750
1 3/4 x 5 1/2
44.4 x 139.7
32.730
1 3/4 x 6
44.4 x 152.4
35.700
1 3/4 x 7
44.4 x 177.8
41.650
1 3/4 x 8
44.4 x 203.2
47.600
1 3/4 x 9
44.4 x 228.6
53.550
1 3/4 x 10
44.4 x 254.0
59.500
1 3/4 x 12
44.4 x 304.8
71.400
2 x 2 1/4
50.8 x 57.2
15.300
2 x 2 1/2
50.8 x 63.5
17.000
2 x 2 3/4
50.8 x 69.8
18.700
2 x3
50.8 x 76.2
20.400
2 x 3 1/2
50.8 x 88.9
23.800
2 x 4
50.8 x 101.6
27.200
2 x 4 1/2
50.8 x 114.3
30.600
2 x5
50.8 x 127.0
34.000
2 x 5 1/2
50.8 x 139.7
37.400
2 x 6
50.8 x 152.4
40.800
2 x 7
50.8 x 177.8
47.600
2 x 8
50.8 x 203.2
54.400
2 x 9
50.8 x 228.6
61.200
2 x 10
50.8 x 254.0
68.000
2 x 12
50.8 x 304.8
81.600