Online Parts Store › Phillips Tapping Screws - Oval Head, #6 x 3/4" Image 1 of 1 Phillips Tapping Screws - Oval Head, #6 x 3/4" $12.60 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, 5/8", .078" Thick, OD 1-1/2" $22.42 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 Stainless Countersunk Finishing Washer, #10 $14.99 Stainless Cotter Pin 5/32" x 2" $84.08 Seachoice 01009 Lock Washer, 1/4" $13.60