Online Parts Store › Cap Screw - Hex Head, 1/2"-13 x 1-1/2" Image 1 of 1 Cap Screw - Hex Head, 1/2"-13 x 1-1/2" $33.38 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 1/8" x 1-1/2" $55.55 Stainless Cotter Pin 1/8" x 1-1/4" $65.75 Socket Set Screw 1/4"-20 x 1/4" $26.96 Phillips Tapping Screws - Flat Head, #6 x 1-1/2" $16.94 Phillips Tapping Screws - Flat Head, #8 x 3/8" $11.90