Online Parts Store › Carriage Bolt, 3/8"-16 x 1-1/2" Image 1 of 1 Carriage Bolt, 3/8"-16 x 1-1/2" $35.90 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 5/32" x 1-1/2" $64.12 Phillips Tapping Screw - Pan Head, #8 x 3/8" $12.60 Stainless Fender Washer #10, .050" Thick, OD 3/4" $18.58 Flat Washer, 3/8", .062" Thick, OD 1" $38.36 Phillips Tapping Screws - Flat Head, #6 x 1-1/2" $16.94