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Diameter 12 Length 12 Head diameter 1.062 Nut diameter 12 Nut wrench size 34 Washer outside diameter 138Kit includes 25 Grade 307A carriage bolts, 25 USS thick washers, 25 Grade 2A hex nutsHot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumberThe flat head provides a semiflush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applicationsMeets or Exceeds ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329 MORE DETAILS asin B0CSTCXGDH bestsellersrank 10,584 in Industrial Scientific See Top 100 in Industrial Scientific 4 in Carriage Bolts brand MAKERS BOLT color Silver compatiblegroovediameter 0.5 inches customerreviews 4.8 4.8 out of 5 stars 245 4.8 out of 5 stars exteriorfinish HotDipped Galvanized fastenersize 12 x 12 fastenertype Carriage Bolt finishtypes HotDipped Galvanized graderating Grade A307 headtype Flat itemdiameter 0.5 inches itemdimensions 12 x 0.5 x 0.5 inches itemhardness Grade 5 manufacturer Makers Bolt manufacturergrade Grade 307A materialtype Carbon Steel maximumshearstrength 40000 psi metaltype Carbon Steel numberofitems 25 numberofpieces 25 outsidediameter 1.38 inches partnumber CBK50192GV25 screwheadstyle Flat setname 12 x 12 Galvanized Carriage Bolt Kit 25 Piece sizename 12 x 12 threadclass 1A threadcoverage Partially Threaded threadsize 1213 threadstyle Right Hand threadtype Unc unitcount 25 Count upc 810074743013




