Online Parts Store › Carriage Bolt, 3/8"-16 x 2-1/2" Image 1 of 1 Carriage Bolt, 3/8"-16 x 2-1/2" $23.43 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30 Stainless Cotter Pin 3/32" x 1" $46.14 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26