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Square Head Bolts

Square head bolts, also called machine bolts are threaded to receive a nut. These decorative bolts come in smooth, hammered and pyramid head styles. To shop by head style click on the image below to see all available sizes in that head apperance.

Shop by Head Style

Shop by Diameter

1/4" Dia. Smooth Square Head Bolt

1/4" Dia. Smooth Square Head Bolt from $0.45

1/4" Dia. Hammered Square Head Bolt

1/4" Dia. Hammered Square Head Bolt from $1.85

1/4" Dia. Pyramid Square Head Bolt

1/4" Dia. Pyramid Square Head Bolt from $1.95

1/4" Dia. Rustic Irregular Square Head Bolt

1/4" Dia. Rustic Irregular Square Head Bolt from $2.15

5/16" Dia. Smooth Square Head Bolt

5/16" Dia. Smooth Square Head Bolt from $0.62

5/16" Dia. Hammered Square Head Bolt

5/16" Dia. Hammered Square Head Bolt from $2.12

5/16" Dia. Pyramid Square Head Bolt

5/16" Dia. Pyramid Square Head Bolt from $2.16

3/8" Dia. Smooth Square Head Bolt

3/8" Dia. Smooth Square Head Bolt from $0.72

3/8" Dia. Hammered Square Head Bolt

3/8" Dia. Hammered Square Head Bolt from $2.14

3/8" Dia. Pyramid Square Head Bolt

3/8" Dia. Pyramid Square Head Bolt from $2.24

3/8" Dia. Rustic Irregular Square Head Bolt

3/8" Dia. Rustic Irregular Square Head Bolt from $2.35

1/2" Dia. Smooth Square Head Bolt

1/2" Dia. Smooth Square Head Bolt from $2.70

1/2" Diameter Hammered Square Head Bolts

1/2" Diameter Hammered Square Head Bolts from $4.10

1/2" Dia. Pyramid Square Head Bolt

1/2" Dia. Pyramid Square Head Bolt from $4.20

1/2" Dia. Rustic Irregular Square Head Bolt

1/2" Dia. Rustic Irregular Square Head Bolt from $2.92

5/8" Smooth Square Head Bolt

5/8" Smooth Square Head Bolt from $2.85

5/8" Hammered Square Head Bolt

5/8" Hammered Square Head Bolt from $4.18

5/8" Pyramid Square Head Bolt

5/8" Pyramid Square Head Bolt from $4.66

5/8" Dia. Rustic Irregular Square Head Bolt

5/8" Dia. Rustic Irregular Square Head Bolt from $10.57

3/4" Dia. Smooth Square Head Bolt

3/4" Dia. Smooth Square Head Bolt from $4.63

3/4" Dia. Hammered Square Head Bolt

3/4" Dia. Hammered Square Head Bolt from $5.97

3/4" Dia. Pyramid Square Head Bolt

3/4" Dia. Pyramid Square Head Bolt from $6.46

3/4" Dia. Rustic Irregular Square Head Bolt

3/4" Dia. Rustic Irregular Square Head Bolt from $6.46