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A307 Grade A Carriage Bolts

Round head square neck bolts are referred to as Carriage Bolts. With their trademark shallow, mushroom-shaped head, these bolts are intended to be used in low profile applications where access to installing and removing the bolt is only available from the nut side.  This includes many wood-to-wood or metal-to-wood applications.  Because of the 1-sided access, they are also often used in applications where tamperproof access is desired.
 
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Showing 51 to 100 of 637 results
Model Product Size Plate Pkg Qty  
490021 1/4"-20 x 1-1/4" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 2,500
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Quote
428012 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc-Yellow 1/4"-20 Zinc-Yellow 1,800
Add to
Quote
488016 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 3,750
Add to
Quote
488022 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 2,125
Add to
Quote
489016 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 3,750
Add to
Quote
489022 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 2,125
Add to
Quote
490022 1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 2,000
Add to
Quote
428014 1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Zinc-Yellow 1/4"-20 Zinc-Yellow 1,800
Add to
Quote
488023 1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 1,500
Add to
Quote
489023 1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 1,500
Add to
Quote
490023 1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 1,500
Add to
Quote
428015 1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Zinc-Yellow 1/4"-20 Zinc-Yellow 1,400
Add to
Quote
488024 1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 1,375
Add to
Quote
489024 1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 1,375
Add to
Quote
490024 1/4"-20 x 2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 1,500
Add to
Quote
488025 1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 1,200
Add to
Quote
489025 1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 1,200
Add to
Quote
490025 1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 1,200
Add to
Quote
428017 1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Zinc-Yellow 1/4"-20 Zinc-Yellow 1,100
Add to
Quote
488026 1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 1,000
Add to
Quote
489026 1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 1,000
Add to
Quote
490026 1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 1,000
Add to
Quote
488027 1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 875
Add to
Quote
489027 1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 875
Add to
Quote
490027 1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 875
Add to
Quote
488028 1/4"-20 x 3" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 750
Add to
Quote
489028 1/4"-20 x 3" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 750
Add to
Quote
490028 1/4"-20 x 3" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 750
Add to
Quote
488029 1/4"-20 x 3-1/4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 550
Add to
Quote
489029 1/4"-20 x 3-1/4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 550
Add to
Quote
488030 1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 625
Add to
Quote
489030 1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 625
Add to
Quote
490029 1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 625
Add to
Quote
488031 1/4"-20 x 3-3/4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 575
Add to
Quote
489031 1/4"-20 x 3-3/4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 575
Add to
Quote
428023 1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Zinc-Yellow 1/4"-20 Zinc-Yellow 500
Add to
Quote
488032 1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 525
Add to
Quote
489032 1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 525
Add to
Quote
490030 1/4"-20 x 4" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 525
Add to
Quote
488033 1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 500
Add to
Quote
489033 1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 500
Add to
Quote
490031 1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 750
Add to
Quote
488034 1/4"-20 x 5" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 500
Add to
Quote
489034 1/4"-20 x 5" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 500
Add to
Quote
490032 1/4"-20 x 5" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 500
Add to
Quote
488035 1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 450
Add to
Quote
489035 1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 450
Add to
Quote
490033 1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, HD Galv. 1/4"-20 HD Galv. 500
Add to
Quote
488036 1/4"-20 x 6" Carriage Bolt, A307 Gr. A, Plain 1/4"-20 Plain 450
Add to
Quote
489036 1/4"-20 x 6" Carriage Bolt, A307 Gr. A, Zinc 1/4"-20 Zinc 450
Add to
Quote
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Showing 51 to 100 of 637 results
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Showing 51 to 100 of 637 results

Model:
490021
Product:
1/4"-20 x 1-1/4" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
428012
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc-Yellow
Size:
1/4"-20
Plate:
Zinc-Yellow
Model:
488016
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
488022
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489016
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
489022
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490022
Product:
1/4"-20 x 1-1/2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
428014
Product:
1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Zinc-Yellow
Size:
1/4"-20
Plate:
Zinc-Yellow
Model:
488023
Product:
1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489023
Product:
1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490023
Product:
1/4"-20 x 1-3/4" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
428015
Product:
1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Zinc-Yellow
Size:
1/4"-20
Plate:
Zinc-Yellow
Model:
488024
Product:
1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489024
Product:
1/4"-20 x 2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490024
Product:
1/4"-20 x 2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488025
Product:
1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489025
Product:
1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490025
Product:
1/4"-20 x 2-1/4" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
428017
Product:
1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Zinc-Yellow
Size:
1/4"-20
Plate:
Zinc-Yellow
Model:
488026
Product:
1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489026
Product:
1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490026
Product:
1/4"-20 x 2-1/2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488027
Product:
1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489027
Product:
1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490027
Product:
1/4"-20 x 2-3/4" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488028
Product:
1/4"-20 x 3" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489028
Product:
1/4"-20 x 3" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490028
Product:
1/4"-20 x 3" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488029
Product:
1/4"-20 x 3-1/4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489029
Product:
1/4"-20 x 3-1/4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
488030
Product:
1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489030
Product:
1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490029
Product:
1/4"-20 x 3-1/2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488031
Product:
1/4"-20 x 3-3/4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489031
Product:
1/4"-20 x 3-3/4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
428023
Product:
1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Zinc-Yellow
Size:
1/4"-20
Plate:
Zinc-Yellow
Model:
488032
Product:
1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489032
Product:
1/4"-20 x 4" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490030
Product:
1/4"-20 x 4" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488033
Product:
1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489033
Product:
1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490031
Product:
1/4"-20 x 4-1/2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488034
Product:
1/4"-20 x 5" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489034
Product:
1/4"-20 x 5" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490032
Product:
1/4"-20 x 5" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488035
Product:
1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489035
Product:
1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
Model:
490033
Product:
1/4"-20 x 5-1/2" Carriage Bolt, A307 Gr. A, HD Galv.
Size:
1/4"-20
Plate:
HD Galv.
Model:
488036
Product:
1/4"-20 x 6" Carriage Bolt, A307 Gr. A, Plain
Size:
1/4"-20
Plate:
Plain
Model:
489036
Product:
1/4"-20 x 6" Carriage Bolt, A307 Gr. A, Zinc
Size:
1/4"-20
Plate:
Zinc
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Showing 51 to 100 of 637 results

Manufacturing of A307 Grade A Carriage Bolts

A307 Grade A Carriage Bolts are manufactured from low carbon steel (less than 0.25% carbon) with a minimum tensile strength of 60,000 PSI, making them ideal for a wide range of general purpose applications.  They may be supplied in a standard neck, short neck, ribbed neck, or fin neck.  They are readily available in plain finish, electro-zinc, and hot-dip galvanized.
 

Contact Us About A307 Grade A Carriage Bolts Today

Call Empire Bolt & Screw or send us a Request for Quote on your A307 Grade A Carriage Bolt needs today.
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