Hex nut

Hex nuts, Zinc plated grade 5 steel

Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread count. Thus a 1/4"-20 nut fits a 1/4"-20 bolt.

Hex nut diameter

Resources

Click on a product # for additional info

Prod.
#
Diameter and Thread count Buy Each Buy Bag Bag
Qty
Buy Bulk Bulk
Qty

Coarse (standard) thread

2569 1/4"-20
$0.05
Add

$0.05 each
$1.83 / 100
$14.60 / 1000

$1.83
Add
100
$14.60
1000
2570 5/16"-18
$0.05
Add

$0.05 each
$2.53 / 100
$20.20 / 1000

$2.53
Add
100
$20.20
1000
2571 3/8"-16
$0.06
Add

$0.06 each
$3.40 / 100
$27.20 / 1000

$3.40
Add
100
$27.20
1000
2572 7/16"-14
$0.11
Add

$0.11 each
$3.68 / 50
$29.40 / 500

$3.68
Add
50
$29.40
500
2573 1/2"-13
$0.13
Add

$0.13 each
$4.49 / 50
$35.70 / 500

$4.49
Add
50
$35.70
500
4280 9/16"-12
$0.22
Add

$0.22 each
$4.39 / 25
$35.10 / 250

$4.39
Add
25
$35.10
250
2574 5/8"-11
$0.23
Add

$0.23 each
$4.47 / 25
$35.80 / 250

$4.47
Add
25
$35.80
250
2596 3/4"-10
$0.36
Add

$0.36 each
$5.61 / 20
$44.80 / 200

$5.61
Add
20
$44.80
200
7755 7/8"-9
$0.91
Add

$0.91 each
$10.10 / 15
$80.80 / 150

$10.10
Add
15
$80.80
150
7756 1"-8
$1.34
Add

$1.34 each
$10.66 / 10
$93.20 / 100

$10.66
Add
10
$93.20
100
23972 1-1/4"-7
$2.03
Add

$2.03 each
$16.95 / 10
$156.00 / 100

$16.95
Add
10
$156.00
100
23973 1-1/2"-6
$2.72
Add

$2.72 each
$22.81 / 10
$210.00 / 100

$22.81
Add
10
$210.00
100

Fine thread

2575 1/4"-28
$0.05
Add

$0.05 each
$3.12 / 100
$24.90 / 1000

$3.12
Add
100
$24.90
1000
2576 5/16"-24
$0.06
Add

$0.06 each
$4.01 / 100
$32.00 / 1000

$4.01
Add
100
$32.00
1000
2577 3/8"-24
$0.08
Add

$0.08 each
$5.36 / 100
$42.90 / 1000

$5.36
Add
100
$42.90
1000
2578 7/16"-20
$0.16
Add

$0.16 each
$5.81 / 50
$46.50 / 500

$5.81
Add
50
$46.50
500
2579 1/2"-20
$0.17
Add

$0.17 each
$6.26 / 50
$54.50 / 500

$6.26
Add
50
$54.50
500
2597 9/16"-18
$0.33
Add

$0.33 each
$6.00 / 25
$52.40 / 250

$6.00
Add
25
$52.40
250
2580 5/8"-18
$0.34
Add

$0.34 each
$6.14 / 25
$53.60 / 250

$6.14
Add
25
$53.60
250
2581 3/4"-16
$0.64
Add

$0.64 each
$9.93 / 20
$86.60 / 200

$9.93
Add
20
$86.60
200
7757 7/8"-14
$1.34
Add

$1.34 each
$14.27 / 15
$125.00 / 150

$14.27
Add
15
$125.00
150
7758 1"-14
$1.59
Add

$1.59 each
$12.54 / 10
$110.00 / 100

$12.54
Add
10
$110.00
100

^ NOTE: While 12tpi is the fine thread (UNF) standard, 14tpi is far more common in actual use.

See also

Metric hex nut

Metric hex nuts

A standard six sided nut.

Hex lock nuts nylon insert

Hex lock nuts nylon insert, Zinc plated grade 5 steel

A hex nut with a nylon ring to resist loosening.