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 Carriage Bolt, 1/2"-13 x 3" $92.78 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Stainless Cotter Pin 5/32" x 2" $84.08 Socket Set Screw 1/4"-20 x 1/4" $26.96 Nylon Flat Washer 1/2", 0.62" Thick, OD 1-1/4" $36.72