Online Parts Store › Phillips Tapping Screws - Oval Head, #10 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, #12, .050" Thick, OD 1/2" $15.75 Nylon Insert Locknut - Stainless 5/8-11 $35.08 Phillips Tapping Screw - Truss Head #10 x 3/4" $31.18 Phillips Self Drilling Screw - Pan Head #10 x 1-1/4" $37.54 Nylon Flat Washer 3/8", 0.62" Thick, OD 1" $57.19