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 Seachoice 18-8 Stainless Steel Wing Nuts, 1/4-20 Size, Pack of 100 $110.41 Lock Washer, M4 $10.20 Flat Washer, 5/8", .078" Thick, OD 1-1/2" $22.42 Nylon Insert Locknut - Stainless 5/16-18 $18.01 Stainless Fender Washer 1/4", .062" Thick ,OD 1" $39.24