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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.
 
Model Product Size Plate Pkg Qty  
427010 1/4"-20 x 1-1/4" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427012 1/4"-20 x 1-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427015 1/4"-20 x 2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427017 1/4"-20 x 2-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427019 1/4"-20 x 3" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427021 1/4"-20 x 3-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427023 1/4"-20 x 4" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427026 1/4"-20 x 5" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427028 1/4"-20 x 6" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/4"-20 Zinc 1,000
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Quote
427050 5/16"-18 x 1" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427052 5/16"-18 x 1-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427055 5/16"-18 x 2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427057 5/16"-18 x 2-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427059 5/16"-18 x 3" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427061 5/16"-18 x 3-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427063 5/16"-18 x 4" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427064 5/16"-18 x 4-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427065 5/16"-18 x 5" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427067 5/16"-18 x 6" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 5/16"-18 Zinc 1,000
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Quote
427088 3/8"-16 x 1" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427092 3/8"-16 x 1-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427095 3/8"-16 x 2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427098 3/8"-16 x 2-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427100 3/8"-16 x 3" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427102 3/8"-16 x 3-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427104 3/8"-16 x 4" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427106 3/8"-16 x 4-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427108 3/8"-16 x 5" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427112 3/8"-16 x 6" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 3/8"-16 Zinc 1,000
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Quote
427172 1/2"-13 x 1-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427176 1/2"-13 x 2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427178 1/2"-13 x 2-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427180 1/2"-13 x 3" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427182 1/2"-13 x 3-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427184 1/2"-13 x 4" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427186 1/2"-13 x 4-1/2" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote
427188 1/2"-13 x 5" Carriage Bolt, A307-Gr.A + A563-Gr.A Hex Nut, Zinc 1/2"-13 Zinc 1,000
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Quote

Model:
Size:
1/4"-20
Plate:
Zinc
Model:
Size:
1/4"-20
Plate:
Zinc
Model:
Size:
1/4"-20
Plate:
Zinc
Model:
Size:
1/4"-20
Plate:
Zinc
Model:
Size:
1/4"-20
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
5/16"-18
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
3/8"-16
Plate:
Zinc
Model:
Size:
1/2"-13
Plate:
Zinc
Model:
Size:
1/2"-13
Plate:
Zinc
Model:
Size:
1/2"-13
Plate:
Zinc
Model:
Size:
1/2"-13
Plate:
Zinc

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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