Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 3" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 3" $27.59 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Countersunk Finishing Washer, #5/16 $22.42 Flat Washer, #6, .032" Thick, OD 3/8" $8.19 Stainless Fender Washer 5/16", .078" Thick, OD 1-1/2 $54.04 Stainless Fender Washer 1/4", .062" Thick, OD 1-1/2 $103.98 Phillips Tapping Screws - Flat Head, #14 x 1-1/2" $28.97