Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #6 x 1-1/4" $15.93 Seachoice 01007 Lock Washer, #10 $10.77 Flat Washer, #6, .032" Thick, OD 3/8" $8.19 Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Phillips Tapping Screws - Flat Head, #8 x 5/8" $12.41