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Carriage Bolts
Carriage bolts are primarily used in wood applications such as decks, docks, and swing sets.  They can be used on other machinery and equipment.  Grade A carriage bolts are mainly for light duty applications.  The round head offers a smooth finish while the square neck underneath the head offers a secure connection when tightening a nut onto the bolt.  Zinc is the most common finish, but these are also offered in plain and galvanized coating.
carriage bolts_2015
Unit of Measure
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Item #

Item Name

Units Per Package

Price

CBST-A4-031-18-0375-P N/A 5/16"-18 x 3-3/4" Carriage Bolt Grade 316 Plain Finish N/A 50 $31.36
CBST-A2-031-18-0375-P N/A 5/16"-18 x 3-3/4" Carriage Bolt Grade 18-8 Plain Finish N/A 50 $21.67
CBST-A-031-18-0375-P N/A 5/16"-18 x 3-3/4" A307 Carriage Bolt Grade A Plain Finish N/A 50 $12.46
CBST-5-031-18-0400-Z N/A 5/16"-18 x 4" Carriage Bolt Grade 5 Zinc Finish N/A 25 $8.42
CBST-A-031-18-0400-Z N/A 5/16"-18 x 4" A307 Carriage Bolt Grade A Zinc Finish N/A 50 $10.24
CBST-A4-031-18-0400-P N/A 5/16"-18 x 4" Carriage Bolt Grade 316 Plain Finish N/A 50 $35.23
CBST-A2-031-18-0400-P N/A 5/16"-18 x 4" Carriage Bolt Grade 18-8 Plain Finish N/A 50 $24.06
CBST-A-031-18-0400-HD N/A 5/16"-18 x 4" A307 Carriage Bolt Grade A Hot Dipped Galvanized Finish N/A 50 $16.03
CBST-A-031-18-0425-Z N/A 5/16"-18 x 4-1/4" A307 Carriage Bolt Grade A Zinc Finish N/A 25 $7.60
CBST-5-031-18-0450-Z N/A 5/16"-18 x 4-1/2" Carriage Bolt Grade 5 Zinc Finish N/A 25 $9.28
CBST-A-031-18-0450-Z N/A 5/16"-18 x 4-1/2" A307 Carriage Bolt Grade A Zinc Finish N/A 25 $7.74
CBST-A4-031-18-0450-P N/A 5/16"-18 x 4-1/2" Carriage Bolt Grade 316 Plain Finish N/A 50 $45.15
CBST-A2-031-18-0450-P N/A 5/16"-18 x 4-1/2" Carriage Bolt Grade 18-8 Plain Finish N/A 50 $27.13
CBST-A-031-18-0450-HD N/A 5/16"-18 x 4-1/2" A307 Carriage Bolt Grade A Hot Dipped Galvanized Finish N/A 25 $9.12
CBST-5-031-18-0500-Z N/A 5/16"-18 x 5" Carriage Bolt Grade 5 Zinc Finish N/A 25 $10.15
CBST-A-031-18-0500-Z N/A 5/16"-18 x 5" A307 Carriage Bolt Grade A Zinc Finish N/A 50 $12.69
CBST-A4-031-18-0500-P N/A 5/16"-18 x 5" Carriage Bolt Grade 316 Plain Finish N/A 50 $51.64
CBST-A2-031-18-0500-P N/A 5/16"-18 x 5" Carriage Bolt Grade 18-8 Plain Finish N/A 50 $30.29
CBST-A-031-18-0500-HD N/A 5/16"-18 x 5" A307 Carriage Bolt Grade A Hot Dipped Galvanized Finish N/A 50 $19.97
CBST-A-031-18-0550-Z N/A 5/16"-18 x 5-1/2" A307 Carriage Bolt Grade A Zinc Finish N/A 25 $9.14
CBST-A2-031-18-0550-P N/A 5/16"-18 x 5-1/2" Carriage Bolt Grade 18-8 Plain Finish N/A 50 $33.15
CBST-A-031-18-0550-HD N/A 5/16"-18 x 5-1/2" A307 Carriage Bolt Grade A Hot Dipped Galvanized Finish N/A 50 $21.56
CBST-5-031-18-0600-Z N/A 5/16"-18 x 6" Carriage Bolt Grade 5 Zinc Finish N/A 25 $10.80
CBST-A-031-18-0600-Z N/A 5/16"-18 x 6" A307 Carriage Bolt Grade A Zinc Finish N/A 50 $14.54
CBST-A4-031-18-0600-P N/A 5/16"-18 x 6" Carriage Bolt Grade 316 Plain Finish N/A 50 $60.20
Unit of Measure
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