Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 1-1/4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 1-1/4" $15.93 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Oval Head #8 x 1-1/2" $54.12 Phillips Tapping Screw - Truss Head #10 x 3/4" $31.18 Seachoice 01006 Lock Washer, #8 $15.43 Lag Screw, 3/8 x 1-1/2" $63.91 Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31