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Carriage Screws & Bolts
Carriage bolts, or carriage screws, have a square neck that keeps them from turning once tightened. These bolts have domed heads. Use in square holes for wood-to-wood and wood-to-metal fastening.
663 products
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 2" Length, Fully Threaded, 1/4"-20 UNC Threads (Pack of 100)
B009YAYSYG
$9.46
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 5-1/2" Length, Fully Threaded, 1/4"-20 UNC Threads (Pack of 100)
B009YAZAR0
$13.04
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 1" Length, Fully Threaded, 3/8"-16 UNC Threads (Pack of 10)
B009YAM1VS
$7.30
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 4-1/2" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 5)
B009YAO2BA
$11.87
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 3-3/4" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 5)
B009YANYA0
$11.19
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 4" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 5)
B009YANZYU
$11.74
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 5-1/2" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 5)
B009YAO70Q
$12.74
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 4" Length, Fully Threaded, 3/4"-10 UNC Threads (Pack of 5)
B009YB41AQ
$9.52
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18-8 Stainless Steel Carriage Bolt, Plain Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM F593, 2" Length, Fully Threaded, 5/16"-18 UNC Threads (Pack of 10)
B009YAL59W
$8.11
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 6" Length, Fully Threaded, 5/8"-11 UNC Threads (Pack of 5)
B009YB3NC8
$9.26
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 2-1/2" Length, Fully Threaded, 5/16"-18 UNC Threads (Pack of 100)
B009YAZVTC
$15.35
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 4-1/2" Length, Fully Threaded, 3/8"-16 UNC Threads (Pack of 50)
B009YB13ZW
$19.57
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 7" Length, Partially Threaded, 3/4"-10 UNC Threads (Pack of 5)
B009YB47AU
$14.80
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 3/4" Length, Fully Threaded, #10-24 UNC Threads (Pack of 100)
B009YAXY8W
$6.60
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 4" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 25)
B009YB2P72
$14.76
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 6" Length, Fully Threaded, 1/4"-20 UNC Threads (Pack of 100)
B009YAZC1Y
$24.14
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 7-1/2" Length, Partially Threaded, 5/16"-18 UNC Threads (Pack of 25)
B009YB0EM0
$13.11
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 2-3/4" Length, Fully Threaded, 1/2"-13 UNC Threads (Pack of 25)
B009YB2JMS
$10.35
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 3" Length, Fully Threaded, 1/4"-20 UNC Threads (Pack of 100)
B009YAYYS6
$14.04
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Steel Carriage Bolt, Grade 2, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/ASTM A307, 1-3/4" Length, Fully Threaded, 1/4"-20 UNC Threads (Pack of 100)
B009YAYR6K
$9.26