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3/8-16 x 10" Carriage Bolts A307 Grade 2 Zinc Plated "Coach Screws" 3/8"-16

3/8-16 x 10" Carriage Bolts A307 Grade 2 Zinc Plated "Coach Screws" 3/8"-16

A carriage bolt, coach bolt or round head square neckbolt is used through iron strengthening plates on either side of a wooden beam.It is commonplace though to use them on bare timber, the squared section givingenough grip to prevent rotation.