Flange nuts, Zinc plated grade 5 steel
Flange nuts

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.

Flange nut diameter

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Prod. # Diameter and Thread count Each price Bag price Bulk price Price Buy

Coarse (standard) thread
17670 1/4"-20 $0.13 / ea $9.51 / 100 $81.90 / 1000 $0.13 / ea $9.51 / 100 $81.90 / 1000
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17671 5/16"-18 $0.16 / ea $11.27 / 100 $97.60 / 1000 $0.16 / ea $11.27 / 100 $97.60 / 1000
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17672 3/8"-16 $0.22 / ea $15.06 / 100 $130.00 / 1000 $0.22 / ea $15.06 / 100 $130.00 / 1000
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17673 1/2"-13 $0.51 / ea $10.39 / 25 $89.70 / 250 $0.51 / ea $10.39 / 25 $89.70 / 250
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17674 5/8"-11 $1.11 / ea $22.68 / 25 $196.00 / 250 $1.11 / ea $22.68 / 25 $196.00 / 250

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See also
Metric flange nuts

Metric flange nuts

A nut with a built in washer.

Flange bolts

Flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.