Online Parts Store › Phillips Machine Screw - Flat Head, 8-32 x 3/4" Image 1 of 1 Phillips Machine Screw - Flat Head, 8-32 x 3/4" $17.63 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 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Phillips Tapping Screws - Flat Head, #6 x 1-1/4" $15.93 Flat Washer, 3/8", .062" Thick, OD 1" $38.36 Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91