Online Parts Store › Phillips Tapping Screws - Oval Head, #10 x 3" Image 1 of 1 Phillips Tapping Screws - Oval Head, #10 x 3" $32.37 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Flat Washer, #10, .050" Thick, OD 9/16 $16.12 Fasteners Only (Boxed) $6,706.34 Flat Washer, #4, .032" Thick, OD 5/16" $6.74 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26